Med Surg. II Ch. 25 PrepU

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A 52-year-old female patient is going through menopause and asks the nurse about estrogen replacement for its cardioprotective benefits. What is the best response by the nurse?

"Current evidence indicates that estrogen is ineffective as a cardioprotectant; estrogen is actually potentially harmful and is no longer a recommended therapy."

You are doing an admission assessment on a client who is having outpatient testing done for cardiac problems. What should you ask this client during your assessment?

"Have you had any episodes of dizziness or fainting?"

The nurse is assessing a patient who complains of feeling "light-headed." When obtaining orthostatic vital signs, what does the nurse determine is a significant finding?

A heart rate of more than 20 bpm above the resting rate

You are caring for a client with a damaged tricuspid valve. You know that the tricuspid valve is held in place by which of the following?

Chordae tendineae

During the auscultation of heart, what is revealed by an atrial gallop?

Hypertensive heart disease

The nurse is administering a beta blocker to a patient in order to decrease automaticity. Which medication will the nurse administer?

Lopressor

Decreased pulse pressure reflects which of the following?

Reduced stroke volume

The nurse admits a 52-year-old woman with a medical diagnosis of "rule out MI." The client is very frightened and expresses surprise that a woman would have heart problems. Which of the following responses by the nurse would be most appropriate?

"A woman's heart is smaller and has smaller arteries that become occluded more easily."

The nurse is caring for a client anticipating further testing related to cardiac blood flow. Which statement, made by the client, would lead the nurse to provide additional teaching?

"My niece thought that I would be ordered a magnetic resonance imaging even though I have a pacemaker."

The nurse in a cardiac clinic is taking vital signs of a 58-year-old man who is 3 months status post myocardial infarction (MI). While the physician is seeing the client, the client's spouse approaches the nurse and asks about sexual activity. "We are too afraid he will have another heart attack, so we just don't have sex anymore." The nurse's best response is which of the following?

"The physiologic demands are greatest during orgasm and are equivalent to walking 3 to 4 miles per hour on a treadmill."

A patient had a cardiac catheterization and is now in the recovery area. What nursing interventions should be included in the plan of care? (Select all that apply.)

-Assessing the peripheral pulses in the affected extremity -Checking the insertion site for hematoma formation -Evaluating temperature and color in the affected extremity

The nurse understands that assessment of ejection fraction (EF) is important to determine myocardial contractility. The nurse would expect the following EF to indicate the possibility of a myocardial infarction. With a stroke volume (SV) of 70 mL, the EF would be:

28 mL.

The following clients are in need of exercise electrocardiography. Which client would the nurse indicate as most appropriate for a drug-induced stress test?

A 55-year-old recovering from a fall and broken femur

A nurse is aware that the patient's heart rate is influenced by many factors. The nurse understands that the heart rate can be decreased by:

An increased level of catecholamines.

The nurse is caring for a client on a monitored telemetry unit. During morning assessment, the nurse notes abnormal ECG waves on the telemetry monitor. Which action would the nurse do first?

Assess the client.

A patient has undergone a cardiac catheterization. He is to be discharged today. What information should the nurse emphasize during discharge teaching?

Avoid heavy lifting for the next 24 hours.

A nurse is checking laboratory values on a client who has crackles in the lower lobes, 2+ pitting edema, and dyspnea with minimal exertion. Which laboratory value does the nurse expect to be abnormal?

B-type natriuretic peptide (BNP)

The nurse is caring for a client with an elevated blood pressure and no previous history of hypertension. At 0900, the blood pressure was 158/90 mm Hg. At 0930, the blood pressure is 142/82 mm Hg. The nurse is most correct when relating the fall in blood pressure to which structure?

Baroreceptors

The nurse is caring for a patient with an intra-arterial BP monitoring device. The nurse recognizes the most preventable complication associated with hemodynamic monitoring includes which of the following?

Catheter-related bloodstream infections (CRBSI)

The nurse is taking a health history from a client admitted with the medical diagnosis of cardiovascular disease (CVD). Identify which of the following symptoms indicate CVD.

Chest pain, weight gain, fatigue

The nurse is preparing to apply ECG electrodes to a male patient who requires continuous cardiac monitoring. Which of the following should the nurse complete to optimize skin adherence and conduction of the heart's electrical current?

Clip the patient's chest hair prior to applying the electrodes.

A nurse assessing a client who underwent cardiac catheterization finds the client lying flat on the bed. His temperature is 99.8° F (37.7° C). His blood pressure is 104/68 mm Hg. His pulse rate is 76 beats/minute. She detects weak pulses in the leg distal to the puncture site. Skin on the leg is cool to the touch. The puncture site is dry, but swollen. What is the most appropriate action for the nurse to take?

Contact the physician and report her findings.

The clinic nurse caring for a client with a cardiovascular disorder is performing an assessment of the client's pulse. Which of the following steps is involved in determining the pulse deficit?

Count the heart rate at the apex.

The nurse is caring for an elderly client with left-sided heart failure. When auscultating lung sounds, which adventitious sound is expected?

Crackles

A patient has a high magnesium level. Identify how hypermagnesemia affects cardiac function.

Decreases myocardial contractility

For both outpatients and inpatients scheduled for diagnostic procedures of the cardiovascular system, the nurse performs a thorough initial assessment to establish an accurate baseline data. Which of the following data is necessary to collect if the patient is experiencing chest pain?

Description of the pain

The nurse is caring for a geriatric client. The client is ordered Lanoxin (digoxin) tablets 0.125mg daily for a cardiac dysrhythmias. Which of the following assessment considerations is essential when caring for this age-group?

Digoxin level

The client with a diagnosis of heart failure reports frequently awakening during the night with the need to urinate. The nurse offers which explanation?

Edema is collected in dependent extremities during the day; at night when the client lays down, it is reabsorbed into the circulation and excreted by the kidneys.

Within the heart, several structures and several layers all play a part in protecting the heart muscle and maintaining cardiac function. The inner layer of the heart is composed of a thin, smooth layer of cells, the folds of which form heart valves. What is the name of this layer of cardiac tissue?

Endocardium

You are monitoring the results of laboratory tests performed on a client admitted to the cardiac ICU with a diagnosis of myocardial infarction. Which test would you expect to show elevated levels?

Enzymes

The area of the heart that is located at the third intercostal (IC) space to the left of the sternum is which of the following?

Erb's point

The nurse prepares to auscultate heart sounds. Which nursing interventions would be most effective to assist with this procedure?

Explain to the client that the nurse will be listening to different areas of the chest and may listen for a long time, but that does not mean that anything abnormal is heard.

The nurse is reviewing the results of the patient's echocardiogram and observes that the ejection fraction is 35%. The nurse anticipates that the patient will receive treatment for what condition?

Heart failure

During assessment of a 63-year-old retired mechanic, the nurse notes and documents an S3 heart sound. The nurse knows that this sound is an abnormal sound suggestive of:

Heart failure.

A nurse is reviewing laboratory values for a client diagnosed with hyperlipidemia 6 months ago. Which results indicate that the client has been following his therapeutic regimen?

High density lipoproteins (HDL) increase from 25 mg/dl to 40 mg/dl.

The chart of a 45-year-old male client indicates an S4 heart sound. The client is scheduled for a cardiac workup. The nurse is aware that this client may have which of the following cardiac conditions?

Hypertensive heart disease

The nurse reviews a patient's lab results and notes a serum calcium level of 7.9 mg/dL. The nurse knows that this reading can also be associated with which of the following?

Impaired myocardial contractility

Which of the following is a true statement regarding the role of baroreceptors?

Initiates the parasympathetic response

The nurse is caring for a patient prescribed warfarin (Coumadin) orally. The nurse reviews the patient's prothrombin time (PT) level to evaluate the effectiveness of the medication. The nurse should also evaluate which of the following laboratory values?

International normalized ratio (INR)

The nurse is reviewing the morning laboratory test results for a client with cardiac problems. Which of the following would the nurse regard as a priority to report to the physician?

K+ 3.1 mEq/L

The nurse is performing an assessment of the patient's heart. Where would the nurse locate the apical pulse if the heart is in a normal position?

Left 5th intercostal space at the midclavicular line

Within the physiology of the heart, each chamber has a particular role in maintaining cellular oxygenation. Which chamber of the heart is responsible for receiving oxygenated blood from the lungs?

Left atrium

The nurse auscultates the PMI (point of maximal impulse) at which of the following anatomic locations?

Left midclavicular line, fifth intercostal space

Within the physiology of the heart, each chamber has a particular role in maintaining cellular oxygenation. Which chamber of the heart is responsible for pumping blood to all the cells and tissues of the body?

Left ventricle

A nurse working in a cardiac step-down unit understands that the following drugs can affect the contractility of the heart. The nurse recognizes that contractility is depressed by which of the following drugs?

Lopressor

After a physical examination, the provider diagnosed a patient with a grade 4 heart murmur. During assessment, the nurse expects to hear a murmur that is:

Loud and may be associated with a thrill sound similar to (a purring cat).

When preparing a patient for a cardiac catheterization, the patient states that she has allergies to seafood. Which of the following medications may give to her prior to the procedure?

Methylprednisolone (Solu-Medrol)

A patient's heart rate is observed to be 140 bpm on the monitor. The nurse knows that the patient is at risk for what complication?

Myocardial ischemia

The nurse is caring for a patient with clubbing of the fingers and toes. The nurse should complete which of the following actions given these findings?

Obtain an oxygen saturation level.

The nurse is providing discharge instructions to a client with unstable angina. The client is ordered Nitrostat 1/150 every 5 minutes as needed for angina. Which side effect, emphasized by the nurse, is common especially with the increased dosage?

Orthostatic hypotension

The nurse is assessing a patient's electrocardiogram (ECG). What phase does the nurse determine is the resting phase before the next depolarization?

Phase 4

Which of the follow arteries carries deoxygenated blood?

Pulmonary artery

The nurse is assessing the cardiovascular status of a client who was found unresponsive in a lobby area. Following transfer of the client, the family asks how blood circulates through the body. The nurse is most correct to state the proper circulation as which? Place the pattern of circulation in the correct order beginning in the right atrium. Use all options.

Pulmonary vein Right ventricle Left ventricle Pulmonary artery Left atrium Aorta

A 97-year-old client with a history of atrial fibrillation is being admitted to the assisted living center where you practice nursing. In your initial assessment, you measure his apical pulse and compare it to his peripheral pulse. The difference between the two is known as what?

Pulse deficit

The nurse is assessing a patient's blood pressure. What does the nurse document as the difference between the systolic and the diastolic pressure?

Pulse pressure

A client is experiencing an irregular heartbeat. The client asks the nurse how a heartbeat occurs. The nurse explains the conduction system of the heart beginning with the sinoatrial node (SA node). Place the conduction sequence of the heart in order beginning with the SA node. Use all options.

Purkinje fibers AV node Atrial cell stimulation Bundle of His Bundle branches

You are the clinic nurse doing assessments on your clients before they have outpatient diagnostic testing done. What would you document when assessing the client's pulse?

Rate, quality, and rhythm

The physician orders medication to treat a client's cardiac ischemia. The nurse is aware that which of the following is causing the client's condition?

Reduced blood supply to the heart

Which of the following nursing interventions is most appropriate when caring for a client with a nursing diagnosis of risk for injury related to side effects of medication (enoxaparin [Lovenox])?

Report any incident of bloody urine, stools, or both.

Central venous pressure is measured in which of the following heart chambers?

Right atrium

Within the physiology of the heart, each chamber has a particular role in maintaining cellular oxygenation. Which chamber of the heart is responsible for pumping blood to the lungs to be oxygenated?

Right ventricle

It is important for a nurse to understand cardiac hemodynamics. For blood to flow from the right ventricle to the pulmonary artery, the following must occur:

Right ventricular pressure must be higher than pulmonary arterial pressure.

The nurse is assessing heart sounds in a patient with heart failure. An abnormal heart sound is detected early in diastole. How would the nurse document this?

S3

A client reports recent onset of chest pain that occurs sporadically with exertion. The client also has fatigue and mild ankle swelling, which is most pronounced at the end of the day. The nurse suspects a cardiovascular disorder. What other client complaint increases the likelihood of a cardiovascular disorder?

Shortness of breath

The electrical conduction system of the heart has several components, all of which are instrumental in maintaining polarization, depolarization, and repolarization of cardiac tissue. Which of the conductive structures is known as the pacemaker of the heart?

Sinoatrial node

The nurse correctly identifies which of the following data as an example of BP and HR measurements in a patient with postural hypotension?

Supine: BP 120/70 mm Hg, HR 70 bpm; sitting: BP 100/55 mm Hg, HR 90 bpm; standing: BP 98/52 mm Hg, HR 94 bpm

The client is admitted for a scheduled cardiac catheterization. On the morning of the procedure, while assessing the client's morning laboratory values, the nurse notes a blood urea nitrogen (BUN) of 34 mg/dL and a creatinine of 4.2 mg/dL. The nurse makes it a priority to notify the physician for which of the following reasons?

The client is at risk for renal failure due to the contrast agent that will be given during the procedure.

A patient tells the nurse, "I was straining to have a bowel movement and felt like I was going to faint. I took my pulse and it was so slow." What does the nurse understand occurred with this patient?

The patient had a vagal response.

The patient has a heart rate of 72 bpm with a regular rhythm. Where does the nurse determine the impulse arises from?

The sinoatrial node

The nurse is caring for a patient with a diagnosis of pericarditis. Where does the nurse understand the inflammation is located?

The thin fibrous sac encasing the heart

A patient recently diagnosed with pericarditis asks his nurse to explain what area of his heart is involved. The nurse tells the patient that the pericardium, which is inflamed, is the:

Thin fibrous sac that encases the heart.

The nurse is awaiting results of cardiac biomarkers for a patient with severe chest pain. The nurse would identify which cardiac biomarker as remaining elevated the longest when myocardial damage has occurred?

Troponin T and I

When assessing a patient with left-sided heart failure, what would be noted on auscultation of lungs?

Wheezes with wet lung sounds

The cardiologist has scheduled a 57-year-old male client for drug-induced stress testing. To prepare the client for this test, the nurse should instruct him about which of the following?

You will receive medication via IV administration.

The ability of the cardiac muscle to shorten in response to an electrical impulse is termed

contractility.

When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the

pulmonary artery wedge pressure.

Decreased pulse pressure reflects

reduced stroke volume.

Before a transesophageal echocardiogram, a nurse gives a client an oral topical anesthetic spray. When the client returns from the procedure, the nurse observes that he has no active gag reflex. In response, the nurse should:

withhold food and fluids.


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