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A nurse is caring for a client who has poison ivy and is prescribed diphenhydramine. Which of the following instructions should the nurse give regarding the adverse effect of dry mouth associated with diphenhydramine?

"Chew on sugarless gum or suck on hard, sour candies." Rationale: Clients who report dry mouth can get the most effective relief by sucking on hard candies (especially the sour varieties that stimulate salivation), chewing gum, or rinsing the mouth frequently. It is the local effect of these actions that provides comfort to the client.

A nurse is caring for a client who has diabetes insipidus and is receiving vasopressin. The nurse should identify which of the following findings as an indication that the medication is effective?

A decrease in urine output Rationale: The major manifestations of diabetes insipidus are excessive urination and extreme thirst. Vasopressin is used to control frequent urination, increased thirst, and loss of water associated with diabetes insipidus. A decreased urine output is the desired response.

A nurse is caring for four clients for whom she has to administer oral medications in the morning. The nurse should administer which of the following medications before breakfast?

Alendronate Rationale: The client must take alendronate first thing in the morning on an empty stomach and wait at least 30 minutes before eating, drinking, or taking other medications.

A nurse is caring for a client who has developed gout. Which of the following medications should the nurse prepare to administer?

Allopurinol Rationale: Allopurinol is a xanthene oxidase inhibitor that reduces uric acid synthesis. The medication is prescribed to treat gout.

A nurse is caring for a client who has HIV-1 infection and is prescribed zidovudine as part of antiretroviral therapy. The nurse should monitor the client for which of the following adverse effects of this medication?

Aplastic anemia Rationale: Severe myelosuppression that results in anemia (decreased red blood cells), agranulocytosis (decreased white blood cells), and thrombocytopenia (decreased platelets) is a life-threatening adverse reaction to zidovudine therapy. Consequently, zidovudine must be used cautiously in clients already experiencing myelosuppression, and the client must be monitored with a CBC performed every few weeks for early detection of marrow failure, which may lead to aplastic anemia.

A nurse is caring for a client who has a fungal infection and has a new prescription for amphotericin B. Which of the following laboratory values should the nurse report to the provider before initiating the medication?

BUN 55 mg/dL Rationale: This BUN level is above the expected reference range (10-20 mg/dL). Amphotericin B is nephrotoxic and is contraindicated if BUN is > 40mg/dL. The nurse should report this laboratory value to the provider before initiating the medication.

A nurse is providing teaching to a client who has renal failure and an elevated phosphorous level. The provider instructed the client to take aluminum hydroxide 300 mg PO three times daily. For which of the following adverse effects should the nurse inform the client?

Constipation Rationale: Constipation is a common side effect of aluminum-based antacids. The nurse should instruct the client to increase fiber intake and that stool softeners or laxatives may be needed.

A nurse is caring for a female client who has rheumatoid arthritis and asks the nurse if it is safe for her to take aspirin. The nurse should recognize which of the following findings in the client's history is a contraindication to this medication?

History of gastric ulcers Rationale: Aspirin is contraindicated for clients who have a history of gastrointestinal bleeding and peptic ulcer disease because it impedes platelet aggregation. An adverse effect of aspirin is gastric bleeding.

A nurse is caring for a client who is experiencing severe nausea and vomiting after a course of chemotherapy. The nurse should monitor the client for which of the following clinical manifestations?

Metabolic alkalosis Rationale: Metabolic alkalosis can occur in clients who have excessive vomiting because of the loss of hydrochloric acid.

A nurse is teaching a client who is taking metronidazole. Which of the following sense alterations should the nurse include as an adverse effect of metronidazole?

Metallic taste Rationale: Metronidazole is an antiprotozoal medication that treats giardiasis and trichomoniasis. It most common adverse effects are headaches, nausea, dry mouth, and an unpleasant metallic taste in their mouth.

A nurse is preparing to administer a unit of packed red blood cells to a client. Which of the following actions should the nurse plan to take?

Remain with the client for the first 15 minutes of the transfusion. Rationale: The nurse should remain with the client for the first 15 to 30 minutes of the transfusion to monitor for a transfusion reaction, which occurs often during the first 50 mL of the transfusion.

A home health nurse is assessing an older adult client who reports falling a couple of times over the past week. Which of the following findings should the nurse suspect is contributing to the client's falls?

The client takes alprazolam. Rationale: Alprazolam is a CNS depressant that can cause dizziness and orthostatic hypotension, which can cause the client to lose his balance and fall.

A nurse is providing teaching for a client who is newly diagnosed with type 2 diabetes mellitus and has a prescription for glipizide. Which of the following statements by the nurse best describes the action of glipizide?

"Glipizide stimulates your pancreas to release insulin." Rationale: Glipizide is an oral antidiabetic medication in the pharmacological classification of sulfonylurea agents. These medications help to lower blood glucose levels in clients who have type 2 diabetes mellitus using several methods, including reducing glucose output by the liver, increasing peripheral sensitivity to insulin, and stimulating the release of insulin from the functioning beta cells of the pancreas.

A nurse is providing teaching to a client who has oral candidiasis and a new prescription for nystatin suspension. Which of the following statements by the client indicates an understanding of the teaching?

"I will store the medication at room temperature."Rationale: Nystatin oral suspension should be stored at room temperature.

A nurse is performing discharge teaching for a client who has seizures and a new prescription for phenytoin. Which of the following statements by the client indicates a need for further teaching?

"I'll be glad when I can stop taking this medicine." Rationale: Phenytoin is an anticonvulsant used to treat various types of seizures. Clients on anticonvulsant medications commonly require them for lifetime administration, and phenytoin should not be stopped without the advice of the client's provider.

A nurse is caring for a child who has asthma and a prescription for montelukast granules. Which of the following instructions should the nurse provide the client's parent on administering the medication?

Administer the medication 2 hr before exercise. Rationale: Montelukast should be given daily during the evening, except when being used for exercise-induced bronchospasm. It should then be given 2 hr before exercise, and not given again for 24 hr.

A nurse is caring for a client who has active pulmonary tuberculosis (TB) and is to be started on intravenous rifampin therapy. The nurse should instruct the client that this medication can cause which of the following adverse effects?

Body secretions turning a red-orange color Rationale: Rifampin is used in combination with other medicines to treat TB. Rifampin will cause the urine, stool, saliva, sputum, sweat, and tears to turn reddish-orange to reddish-brown.

A nurse is assessing a client who is receiving IV vancomycin. The nurse notes a flushing of the neck and tachycardia. Which of the following actions should the nurse take?

Decrease the infusion rate on the IV. Rationale: This client is experiencing Red man syndrome, which includes a flushing of the neck, face, upper body, arms and back along with tachycardia, hypotension and urticaria. This can lead to an anaphylactic reaction if the IV infusion rate is not slowed down to run greater than 1 hour.

A nurse is teaching a client who has a new prescription for regular insulin and NPH insulin. Which of the following instructions should the nurse include in the teaching?

Keep the open vial of insulin at room temperature. Rationale: The client should keep the vial in use at room temperature to minimize tissue injury and to reduce the risk for lipodystrophy.

A nurse is assessing a client prior to the administration of morphine. The nurse should recognize that which of the following assessments is the priority?

Respiratory rate Rationale: When using the airway, breathing, circulation approach to client care, the nurse should determine the priority assessment is respiratory rate. Morphine can cause respiratory depression. The nurse should withhold the medication and notify the prescriber if the client has a respiratory rate less than 12/min.

A nurse is providing teaching to a client who has asthma and a new prescription for inhaled beclomethasone. Which of the following instructions should the nurse provide?

Rinse the mouth after administration. Rationale: Use of glucocorticoids by metered dose inhaler can allow a fungal overgrowth in the mouth. Rinsing the mouth after administration can lessen the likelihood of this complication.

A nurse in a critical care unit is caring for a client who is postoperative following a right pneumonectomy. After extubation from the ventilator, in which of the following positions should the client be placed?

Semi-Fowler's Rationale: Pneumonectomy is the surgical removal of the lung, which is most commonly performed to remove a tumor in a client who has lung cancer. Following extubation from the ventilator, the client should be placed in semi-Fowler's position to help to ensure adequate ventilation and decrease the risk of complications. This position also offers the client the most comfort.

A nurse is caring for a client who has acute respiratory distress syndrome (ARDS), and requires mechanical ventilation. The client receives a prescription for pancuronium. The nurse recognizes that this medication is for which of the following purposes?

Suppress respiratory effort Rationale: Neuromuscular blocking agents, such as pancuronium, induce paralysis and suppress the client's respiratory efforts to the point of apnea, allowing the mechanical ventilator to take over the work of breathing for the client. This therapy is especially helpful for a client who has ARDS and poor lung compliance.

A nurse is reviewing the health history for a client who has angina pectoris and a prescription for propranolol hydrochloride PO 40 mg twice daily. Which of the following findings in the history should the nurse report to the provider?

The client has a history of bronchial asthma. Rationale: Beta-adrenergic blockers can cause bronchospasm in clients who have bronchial asthma; therefore, this is a contraindication to its use and should be reported to the provider.

A nurse is teaching a client who has asthma about how to use an albuterol inhaler. Which of the following actions by the client indicates an understanding of the teaching?

The client holds his breath for 10 seconds after inhaling the medication. Rationale: The medication should be retained in the lungs for a minimum of 10 seconds so the maximum amount of the dosage can be delivered properly to the airways. To use the inhaler, the client exhales normally just prior to releasing the medication, inhales deeply as the medication is released, then holds the medication in the lungs for approximately 10 seconds prior to exhaling.

A nurse is caring for a client who has bipolar disorder and has been taking lithium for 1 year. Before administering the medication, the nurse should check to see that which of the following tests have been completed?

Thyroid hormone assayRationale: Thyroid testing is important because long-term use of lithium may lead to thyroid dysfunction.

A nurse is teaching a client about the adverse effects of cisplatin. Which of the following adverse effects should the nurse include in the teaching?

Tinnitus Rationale: Tinnitus and hearing loss are adverse effects of cisplatin.

A nurse is preparing to administer phenytoin IV to a client who has a seizure disorder. Which of the following actions should the nurse plan to take?

Administer a saline solution after injection. Rationale: The nurse should flush the injection site with a saline solution after the injection of phenytoin to reduce and prevent venous irritation.

A nurse is caring for a client who has heart failure and a prescription for digoxin. Which of the following statements by the client indicates an adverse effect of the medication?

"I feel nauseated and have no appetite."Rationale: Anorexia, nausea, vomiting, and abdominal discomfort are early signs of digoxin toxicity.

A nurse is teaching a client who takes warfarin daily. Which of the following statements by the client indicates a need for further teaching?

"I have started taking ginger root to treat my joint stiffness." Rationale: Ginger root can interfere with the blood clotting effect of warfarin and place the client at risk for bleeding. This statement indicates the client needs further teaching.

A nurse is providing discharge teaching to a client who has asthma and new prescriptions for cromolyn and albuterol, both by nebulizer. Which of the following statements by the client indicates an understanding of the teaching?

"I will be sure to take the albuterol before taking the cromolyn." Rationale: The client should always use the bronchodilator (albuterol) prior to using the leukotriene modifier (cromolyn). Using the bronchodilator first allows the airways to be opened, ensuring that the maximum dose of medication will get to the client's lungs.

A nurse is teaching a client who has a new prescription for colchicine to treat gout. Which of the following instructions should the nurse include?

"Monitor for muscle pain."Rationale: This medication can cause rhabdomyolysis. The client should monitor and report muscle pain.

A nurse is caring for a client who has nausea and a prescription for metoclopramide intermittent IV bolus every 4 hr as needed. The client asks the nurse how metoclopramide will relieve her nausea. Which of the following explanations should the nurse provide?

"The medication relieves nausea by promoting gastric emptying." Rationale: Reglan is a gastrointestinal stimulant used to relieve nausea, vomiting, heartburn, stomach pain, bloating, and a persistent feeling of fullness after meals. Reglan works by promoting gastric emptying.

A nurse is teaching a client who has been taking prednisone to treat asthma and has a new prescription to discontinue the medication. The nurse should explain to the client to reduce the dose gradually to prevent which of the following adverse effects?

Adrenocortical insufficiency Rationale: Prednisone, a corticosteroid, is similar to cortisol, the glucocorticoid hormone produced by the adrenal glands. It relieves inflammation and is used to treat certain forms of arthritis, severe allergies, autoimmune disorders, and asthma. Administration of glucocorticoids can suppress production of glucocorticoids, and an abrupt withdrawal of the drug can lead to a syndrome of adrenal insufficiency.

A nurse is preparing to administer a dose of lactulose to a client who has cirrhosis. The client states, "I don't need this medication. I am not constipated." The nurse should explain that in clients who have cirrhosis, lactulose is used to decrease levels of which of the following components in the bloodstream?

Ammonia Rationale: Lactulose, a disaccharide, is a sugar that works as an osmotic diuretic. It prevents absorption of ammonia in the colon. Accumulation of ammonia in the bloodstream, which occurs in pathologic conditions of the liver, such as cirrhosis, may affect the central nervous system, causing hepatic encephalopathy or coma.

A nurse is preparing to initiate a transfusion of packed RBC for a client who has anemia. Which of the following actions should the plan to nurse take?

Check the client's vital signs every hour during the transfusion.Rationale: The nurse should check the client's vital signs every 15 min at the start of the transfusion, then every 1 hr to monitor for a transfusion reaction.

A nurse is caring for a client who has congestive heart failure and is taking digoxin daily. The client refused breakfast and is complaining of nausea and weakness. Which of the following actions should the nurse take first?

Check the client's vital signs. Rationale: It is possible that the client's nausea is secondary to digoxin toxicity. By obtaining vital signs, the nurse can assess for bradycardia, which is a symptom of digoxin toxicity. The nurse should withhold the medication and call the provider if the client's heart rate is less than 60 bpm.

A nurse is assessing a client who is receiving a unit of packed red blood cells. Which of the following findings is a manifestation of acute hemolytic reaction?

Client report of low back pain Rationale: Manifestations of an acute hemolytic reaction include apprehension, tachypnea, hypotension, chest pain, and lower back pain.

A nurse is caring for a client who has cancer and a new prescription for ondansetron to treat chemotherapy-induced nausea. For which of the following adverse effects should the nurse monitor?

Headache Rationale: Headache is a common adverse effect of ondansetron. Analgesic relief is often required.

A nurse is taking a health history of a client who reports occasionally taking several over-the-counter medications, including an H2 receptor antagonist (H2RA). Which of the following outcomes indicates the H2RA is therapeutic?

Relief of heartburn Rationale: Histamine2 receptor antagonists are used to treat duodenal ulcers and prevent their return. In over-the-counter strengths, these medications, such as cimetidine and ranitidine, are used to relieve or prevent heartburn, acid indigestion, and sour stomach.

A nurse in a substance abuse clinic is assessing a client who recently started taking disulfiram. The client reports having discontinued the medication after experiencing severe nausea and vomiting. Which of the following reasons should the nurse suspect to be a likely cause of the client's distress?

The client consumed alcohol while taking the medication. Rationale: Disulfiram is given to clients who have a history of alcohol abuse. It produces a sensitivity to alcohol that results in a highly unpleasant reaction when the client ingests even small amounts of alcohol. When combined with alcohol, disulfiram produces nausea and vomiting.

A nurse on an oncology unit is preparing to administer doxorubicin to a client who has breast cancer. Prior to beginning the infusion, the nurse verifies the client's current cumulative lifetime dose of the medication. For which of the following reasons is this verification necessary?

An excess amount of doxorubicin can lead to cardiomyopathy. Rationale: Doxorubicin is an antineoplastic antibiotic used in the treatment of various cancers. Irreversible cardiomyopathy with congestive heart failure can result from repeated doses of doxorubicin, and prolonged use can also cause severe heart damage, even years after the client has 2 stopped taking it. The maximum cumulative dose a client should receive is 550 mg/m2 or 450mg/m2 with a history of radiation to the mediastinum.

A nurse in a public clinic is planning a health fair for older adult clients in the community. In teaching medication safety, which of the following foods should the nurse advise the clients to avoid when taking their prescriptions?

Grapefruit juice Rationale: There is a high rate of food-drug interactions between grapefruit juice and many medications frequently taken by older adults, especially lipid-lowering agents. It is thought that one or more of the chemicals (most likely flavonoids) in grapefruit juice alter the activity of specific enzymes (such as CYP3A4 and CYP1A2) in the intestinal tract. These enzymes decrease the rate at which medications enter the systemic circulation. This could allow a larger amount of these drugs to reach the bloodstream, resulting in increased drug levels and possibly toxicity.

A nurse is caring for a client who has streptococcal pneumonia and a prescription for penicillin G by intermittent IV bolus. 10 minutes into the infusion of the third dose, the client reports that the IV site itches and that he feels dizzy and short of breath. Which of the following actions should the nurse take first?

Stop the infusion. Rationale: When using the airway, breathing, circulation approach to client care, the nurse should place the priority on stopping the infusion. The client is exhibiting signs of penicillin anaphylaxis and the first action that should be taken is to withdraw the medication.

A nurse is educating a group of clients about the contraindications of warfarin therapy. Which of the following statements should the nurse include in the teaching?

"Clients who are pregnant should not take warfarin." Rationale: Warfarin therapy is contraindicated in the pregnant client because it crosses the placenta and places the fetus at risk for bleeding.

A nurse is caring for a client who has difficulty swallowing medications and is prescribed enteric-coated aspirin PO once daily. The client asks if the medication can be crushed to make it easier to swallow. Which of the following responses should the nurse provide?

"Crushing the medication might cause you to have a stomachache or indigestion." Rationale: The pill is enteric-coated to prevent breakdown in the stomach and decrease the possibility of GI distress. Crushing the pill destroys that protection.

A nurse is caring for a client who has thrombophlebitis and is receiving heparin by continuous IV infusion. The client asks the nurse how long it will take for the heparin to dissolve the clot. Which of the following responses should the nurse give?

"Heparin does not dissolve clots. It stops new clots from forming." Rationale: This statement accurately answers the client's question.

A nurse is caring for a client who is taking naproxen following an exacerbation of rheumatoid arthritis. Which of the following statements by the client requires further discussion by the nurse?

"I've been taking an antacid to help with indigestion." Rationale:NSAIDs, like naproxen, can cause serious adverse gastrointestinal reactions such as ulceration, bleeding, and perforation. Warning manifestations such as nausea or vomiting, gastrointestinal burning, and blood in the stool reported by the client require further investigation by the nurse. The client might be taking an antacid because he is experiencing one or more of these manifestations.

A nurse is caring for a client who has a new prescription for ferrous sulfate tablets twice daily for iron-deficiency anemia. The client asks the nurse why the provider instructed that she take the ferrous sulfate between meals. Which of the following responses should the nurse make?

"Taking the medication between meals will help you absorb the medication more efficiently." Rationale: Ferrous sulfate provides the iron needed by the body to produce red blood cells. Taking iron supplements between meals helps to increase the bioavailability of the iron.

A nurse is teaching a client who has bipolar disorder and a prescription for lithium to recognize the manifestations of toxicity. Which of the following statements by the client indicates an understanding of the teaching?

"Vomiting is an indication of toxicity." Rationale: Since vomiting and diarrhea are early signs of lithium toxicity, the client should omit the next dose of lithium and call the provider.

A nurse is caring for a client who has deep vein thrombosis and has been on heparin continuous infusion for 5 days. The provider prescribes warfarin PO without discontinuing the heparin. The client asks the nurse why both anticoagulants are necessary. Which of the following statements should the nurse make?

"Warfarin takes several days to work, so the IV heparin will be used until the warfarin reaches a therapeutic level." Rationale: Heparin and warfarin are both anticoagulants that decrease the clotting ability of the blood and help prevent thrombosis formation in the blood vessels. However, these medications work in different ways to achieve therapeutic coagulation and must be given together until therapeutic levels of anticoagulation can be achieved by warfarin alone, which is usually within 1 to 5 days. When the client's PT and INR are within therapeutic range, the heparin can be discontinued.

A nurse is teaching a client who has a urinary tract infection (UTI) and is taking ciprofloxacin. Which of the following instructions should the nurse give to the client?

"You should report any tendon discomfort you experience while taking this medication." Rationale: The nurse should instruct the client to report any tendon discomfort as well as swelling or inflammation of the tendons due to the risk of tendon rupture.

A nurse in a provider's clinic is caring for a client who reports erectile dysfunction and requests a prescription for sildenafil. Which of the following medications currently prescribed for the client is a contraindication to taking sildenafil?

Isosorbide Rationale: Clients who are on nitrates including isosorbide and nitroglycerin preparations cannot take sildenafil, because of the serious medication interaction. There is the possibility of sudden death due to hypotension.

A nurse is preparing a client for surgery. Prior to administering the prescribed hydroxyzine, the nurse should explain to the client that the medication is for which of the following indications? (Select all that apply.)

A. Controlling emesisB. Diminishing anxietyC. Reducing the amount of narcotics needed for pain relief D. Preventing thrombus formationF. Drying secretions Rationale: Controlling emesis is correct. Hydroxyzine is an effective antiemetic that may be used to control nausea and vomiting in preoperative and postoperative clients.Diminishing anxiety is correct. Hydroxyzine is an effective antianxiety agent that may be used to diminish anxiety in surgical clients, as well as in clients who have moderate anxiety.Reducing the amount of narcotics needed for pain relief is correct. Hydroxyzine potentiates the actions of narcotic pain medications; therefore, narcotic requirements may be significantly reduced.Preventing thrombus formation is incorrect. Hydroxyzine, an antihistamine, has no role in the prevention of thrombi.Drying secretions is correct. Hydroxyzine, an antihistamine, commonly causes drying of the oral mucous membranes.

A nurse on a medical unit is planning care for an older adult client who takes several medications. Which of the following prescribed medications places the client at risk for orthostatic hypotension? (Select all that apply.)

A. Furosemide B. Telmisartan C. Duloxetine Rationale: Furosemide is correct. This medication is used to reduce edema and hypertension, and an adverse effect is orthostatic hypotension.Telmisartan is correct. This medication is used to control hypertension, and an adverse effect is orthostatic hypotension.Duloxetine is correct. This medication is used to treat depression and anxiety disorder, and an adverse effect is orthostatic hypotension.Clopidogrel is incorrect. This medication is used to reduce the risk of MI and stroke and does not cause orthostatic hypotension.Atorvastatin is incorrect. This medication is used to decrease cholesterol and does not cause orthostatic hypotension.

A nurse caring for a client who has hypertension and asks the nurse about a prescription for propranolol. The nurse should inform the client that this medication is contraindicated in clients who have a history of which of the following conditions?

Asthma Rationale: Propranolol, a beta-blocker, is contraindicated in clients who have asthma because it can cause bronchospasms. Propranolol blocks the sympathetic stimulation, which prevents smooth muscle relaxation.

A nurse is providing teaching to a client who has emphysema and a new prescription for theophylline. Which of the following instructions should the nurse provide?

Avoid caffeine while taking this medication. Rationale: The nurse should instruct the client that caffeine should be avoided while taking theophylline, as it can increase central nervous system stimulation.

A nurse is providing dietary teaching for a client who takes furosemide. The nurse should recommend which of the following foods as the best source of potassium?

Bananas Rationale: The nurse should determine that bananas are the best food source to recommend because 1 cup of bananas contains 806 mg of potassium. In addition to the potassium supplements the provider might prescribe, the client should increase his daily intake of foods that have high potassium content, such as bananas, orange juice, and spinach.

A nurse is caring for a client who has a bacterial infection and is receiving gentamicin. Which of the following actions should the nurse take to minimize the risk of an adverse effect of the medication?

Monitor the serum medication levels. Rationale: A disadvantage of gentamicin, an aminoglycoside, is the association with nephrotoxicity and ototoxicity, both of which are a result of elevated trough levels. Monitoring the serum medication levels is an important action to minimize the risk of an adverse effect of gentamicin.

A nurse in a mental health clinic is caring for a client who has bipolar disorder and a prescription for an antipsychotic medication. The provider and nursing staff suspect the client is not adhering to his medication therapy. Which of the following interventions should the staff use to encourage the client's adherence? (Select all that apply.)

B. Provide for once-daily dosing.C. Use sustained-release forms.D. Engage the client in conversation following medication administration. Rationale: Perform mouth checks following the administration of medication is incorrect. Mouth checks may not find pills that the client has hidden in his mouth.Provide for once-daily dosing is correct. Once-daily dosing of medications simplifies the therapy, making it easier for the client to comply.Use sustained-release forms is correct. Sustained-release forms remain in the client's system longer, requiring less frequent dosing.Engage the client in conversation following medication administration is correct. If the client is speaking, he will be less likely able to hide the medication in his mouth.Rotate staff that administers the medications is incorrect. Rotating treatment providers is an obstacle that increases the risk of a client's nonadherence to therapy.

A nurse is assessing a client who is taking levothyroxine. The nurse should recognize that which of the following findings is a manifestation of levothyroxine overdose?

Insomnia Rationale: Levothyroxine overdose will result in manifestations of hyperthyroidism, which include insomnia, tachycardia, and hyperthermia.

A nurse is caring for four clients. After administering morning medications, she realizes that the nifedipine prescribed for one client was inadvertently administered to another client. Which of the following actions should the nurse take first?

Check the client's vital signs. Rationale: The first action the nurse should take using the nursing process is to assess the client. The nurse should know that the action of nifedipine is to lower blood pressure. Immediately upon realizing the error, the nurse should check the client's vital signs (especially the client's blood pressure) to ensure that the client is not hypotensive as a result. Only after ensuring that the client is safe and has stable vital signs should the nurse take other actions.

A nurse in a provider's clinic is assessing a client who has cancer and a prescription for methotrexate PO. Which of the following actions should the nurse take when the client reports bleeding gums?

Check the value of the client's current platelet count. Rationale: The nurse should recognize that the bleeding is likely due to the adverse effect of the chemotherapy and needs to be evaluated further. Bleeding gums is a sign of thrombocytopenia (decreased platelet count) secondary to bone marrow suppression, which can be life-threatening in a client who is receiving chemotherapy.

A nurse is teaching a client who has chronic kidney disease and a new prescription for epoetin alfa. The nurse should instruct the client to increase dietary intake of which of the following substances?

Iron Rationale: Epoetin alfa is a synthetic form of erythropoietin, a substance produced by the kidneys that stimulates the bone marrow to produce red blood cells. Increased iron is needed for the production of hemoglobin and red blood cells by the bone marrow.

A nurse is reviewing the medical record of a client who has been on levothyroxine for several months. Which of the following findings indicates a therapeutic response to the medication?

Decrease in level of thyroid stimulating hormone (TSH). Rationale: In hypothyroidism, the nonfunctioning thyroid gland is unable to respond to the TSH, and no endogenous thyroid hormones are released. This results in an elevation of the TSH level as the anterior pituitary continues to release the TSH to stimulate the thyroid gland. Administration of exogenous thyroid hormones, such as levothyroxine, turns off this feedback loop, which results in a decreased level of TSH.

A nurse is caring for a client who is taking lisinopril. Which of the following outcomes indicates a therapeutic effect of the medication?

Decreased blood pressure Rationale: Lisinopril, an ACE inhibitor, may be used alone or in combination with other antihypertensives in the management of hypertension and congestive heart failure. A therapeutic effect of the medication is a decrease in blood pressure.

A nurse is caring for a client who has an infection and a prescription for gentamicin intermittent IV bolus every 8 hr. A peak and trough is required with the next dose. Which of the following actions should the nurse take to obtain an accurate gentamicin serum level?

Draw a trough level immediately prior to administering the medication and a peak level 30 min after the dose. Rationale: Timing of the peak and trough is based on the pharmacokinetics of absorption and the half-life of the medication. The trough level is the lowest serum level after pharmacokinetic effects have taken place. For divided doses, correct timing for the trough is just before administering the next dose. The peak is the highest serum level of the medication; if this level is too low, then the medication will not be effective. Correct timing for the peak is between 30 and 60 min after the dose has finished infusing.

A nurse is completing a medication history for a client who reports using over-the-counter calcium carbonate antacid. Which of the following recommendations should the nurse make about taking this medication?

Drink a glass of water after taking the medication. Rationale: Calcium carbonate is a dietary supplement used when the amount of calcium taken in the diet is not enough. Calcium carbonate may also be used as an antacid to relieve heartburn, acid indigestion, and stomach upset. The client should drink a full glass of water after taking an antacid to enhance its effectiveness.

A nurse is preparing to administer verapamil by IV bolus to a client who is having cardiac dysrhythmias. For which of the following adverse effects should the nurse monitor when giving this medication?

Hypotension Rationale: Verapamil, a calcium channel blocker, can be used to control supraventricular tachyarrhythmias. It also decreases blood pressure and acts as a coronary vasodilator and antianginal agent. A major adverse effect of verapamil is hypotension; therefore, blood pressure and pulse must be monitored before and during parenteral administration.

A nurse in a coronary care unit is admitting a client who has had CPR following a cardiac arrest. The client is receiving lidocaine IV at 2 mg/min. When the client asks the nurse why he is receiving that medication, the nurse should explain that it has which of the following actions?

Prevents dysrhythmias Rationale: Lidocaine is an antidysrhythmic medication that delays the conduction in the heart and reduces the automaticity of heart tissue.

A nurse is caring for a client who is prescribed warfarin therapy for an artificial heart valve. Which of the following laboratory values should the nurse monitor for a therapeutic effect of warfarin?

Prothrombin time (PT) Rationale: This test is used to monitor warfarin therapy. For a client receiving full anticoagulant therapy, the PT should typically be approximately two to three times the normal value, depending on the indication for therapeutic anticoagulation.

A nurse is teaching a client who has iron deficiency anemia about ferrous sulfate. Which of the following instructions should the nurse include in the teaching?

Take the ferrous sulfate between meals.Rationale: The client should take the medication between meals for optimal absorption.

A nurse is providing teaching for a client who has anemia and a new prescription for ferrous sulfate liquid. Which of the following instructions should the nurse provide?

Take the medication with orange juice to enhance absorption. Rationale: Ascorbic acid (vitamin C), which is found in orange juice, will enhance the absorption of iron and increase its bioavailability. This will also help to decrease the gastrointestinal side effects of iron.

A hospice nurse is caring for a client who has terminal cancer and takes PO morphine for pain relief. The client reports that he had to increase the dose of morphine this week to obtain pain relief. Which of the following scenarios should the nurse document as the explanation for this situation?

The client developed a tolerance to the medication. Rationale: The nurse should document that the client has developed a tolerance to the medication. Morphine is a narcotic analgesic used for the treatment of severe pain. Tolerance is an adverse effect of narcotic analgesics in which a larger dose is needed to produce the same response.

A nurse is completing a medical interview with a client who has elevated cholesterol levels and takes warfarin. The nurse should recognize that which of the following actions by the client can potentiate the effects of warfarin?

The client uses garlic to lower cholesterol levels.Rationale: The nurse should recognize that garlic can potentiate the action of the warfarin.

A nurse is assessing a client prior to administering a seasonal influenza vaccine. The client says he read about an influenza vaccine that is given as a nasal spray and wants to receive it. The nurse should recognize that which of the following findings is a contraindication for the client receiving the live attenuated influenza vaccine (LAIV)?

The client's age is 62. Rationale: Clients must be between the ages of 2 and 49 to receive the LIAV; therefore, it is contraindicated for this client. Pregnancy and immunocompromised status are also contraindications.

A nurse is caring for a client who has chronic renal disease and is receiving therapy with epoetin alfa. Which of the following laboratory results should the nurse review for an indication of a therapeutic effect of the medication?

The hematocrit (Hct) Rationale: Epoetin alfa is an antianemic medication that is indicated in the treatment of clients who have anemia due to reduced production of endogenous erythropoietin, which may occur in clients who have end-stage renal disease or myelosuppression from chemotherapy. The therapeutic effect of epoetin alfa is enhanced red blood cell production, which is reflected in an increased RBC, Hgb, and Hct.

A nurse at an ophthalmology clinic is providing teaching to a client who has open angle glaucoma and a new prescription for timolol eye drops. Which of the following instructions should the nurse provide?

The medication should be applied on a regular schedule for the rest of the client's life. Rationale: Medications prescribed for open angle glaucoma are intended to enhance aqueous outflow, or decrease its production, or both. The client must continue the eye drops on an uninterrupted basis for life to maintain intraocular pressure at an acceptable level.

A charge nurse is supervising a newly licensed nurse care for a client who is receiving a transfusion of packed RBC. The nurse suspects a possible hemolytic reaction. After stopping the blood transfusion, which of the following actions by the new nurse requires intervention by the charge nurse?

The nurse starts the transfusion of another unit of blood product. Rationale: When suspecting a hemolytic reaction, the nurse should immediately stop the transfusion of all blood products. The transfusion of additional products can increase the client's risk for further complication.

A nurse is providing discharge teaching for a client who has a new prescription for warfarin. Which of the following instructions should the nurse include in the teaching?

Use an electric razor while on this medication. Rationale: Warfarin, an anticoagulant, increases the client's risk for bleeding. The nurse should teach the client safety measures, such as using an electric razor, to decrease the risk for injury and bleeding.


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