328- Chapter 9: Antibiotics

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A male client is admitted to the unit with Pseudomonas aeruginosa sepsis. The health care provider orders aminoglycoside to be given concomitantly with penicillin intravenously. How would the nurse administer these drugs?

By administering the drug in separate IV bags

Beta-lactam antibiotics, such as penicillins and cephalosporins, fight infection by inhibiting development of the causative bacteria. What specific component development do these drugs affect?

Cell wall synthesis

A public health nurse interacts with many members of the community who are at risk for sexually transmitted infections (STIs). The nurse should anticipate the use of tetracycline in a client who is diagnosed with what STI?

Chlamydia

A client has been prescribed ciprofloxacin IV for the treatment of cellulitis. After initiating the infusion of the client's first scheduled dose, the client develops a pronounced rash on the chest and arms. How should the nurse respond initially to this event?

Discontinue the infusion and inform the care provider promptly.

Oral ampicillin has been ordered for a client whose urinary tract infection will be treated in a home setting. When providing antibiotic teaching to this client, the nurse should stress which instruction?

Drink a full glass of water when taking a dose of the drug.

Which of the following drugs would be classified as an aminoglycoside?

Gentamicin

An 80-year-old client is diagnosed with latent tuberculosis infection. What is a risk for the elderly population when being treated with INH?

Hepatotoxicity

A client is diagnosed with latent tuberculosis infection. The nurse expects that the treatment plan will include which drug?

INH

A female client is diagnosed with hepatitis C as well as a urinary tract infection. The organism is sensitive to tetracycline. Why is the health care provider reluctant to order tetracycline in a client with hepatic impairment?

It slows drug elimination.

A client is receiving rifampin and isoniazid in combination for treatment of tuberculosis. What would the nurse need to monitor closely?

Liver function studies

The nurse is assisting in the admission of a client with a suspected urinary tract infection and an oral temperature of 100.9 degrees ferenheit. The health care provider has written the following orders: acetaminophen 500 mg PO for elevated temperature; urinalysis for culture and sensitivity; sulfasalazine (Azulfidine) 500 mg PO four times daily; and force fluids to 3 L/day. Which order will the nurse complete first?

Obtain urine for culture and sensitivity.

What microorganism is the most likely cause of necrotizing otitis externa?

Pseudomonas aeruginosa

The nurse will notify the health care provider immediately if the client taking amoxicillin for otitis media is also taking what medication?

Tetracycline for acne

A client is being treated for urosepsis with ceftriaxone IV. What assessment finding should prompt the nurse to contact the care provider immediately?

The client has a new onset of jaundice and edema

A client has just been diagnosed with TB. The client is extremely upset and is asking questions concerning the medications. What is an appropriate response by the nurse?

You will have multidrug therapy for 6 to 24 months."

In the rare instance in which penicillin is considered essential, hypersensitivity can be assessed by administering:

a skin test

Prior to administering fluoroquinolones, it is most important for the nurse to assess for which finding or condition?

allergies

The nurse should advise the client to avoid taking which medication at the same time as a fluoroquinolone?

antacids

After teaching a group of nursing students about the action of penicillins, the instructor determines that the teaching was effective when the students identify natural penicillins as exerting which type of effect on microorganisms?

bactericidal

A 9-year-old client has been admitted to the pediatric unit after being diagnosed with pertussis. The pediatric nurse is processing the client's admission orders and notes that IV demeclocycline has been prescribed. After beginning this treatment, the nurse should confirm the results of what laboratory test?

blood urea nitrogen (BUN)

A client previously experienced an anaphylactic reaction to penicillin G. Which medication should not be administered to this client due to the potential for cross-sensitivity?

cefadroxil

A client is allergic to penicillin and has been diagnosed with a genitourinary infection caused by Chlamydia trachomatis. Which medication will most likely be administered?

erythromycin

Which medication is the drug of choice for Legionnaires disease?

erythromycin

A nursing instructor is preparing a teaching plan for a nursing pharmacology class on the action of fluoroquinolones. Which action would the instructor most likely include?

interfering with DNA synthesis in the bacterial cell

The nurse is justified in suspecting that a client who recently completed a course of ceftaroline may have been treated for what health problem?

methicillin-resistant Staphylococcus aureus (MRSA) infection

A 35-year-old man being treated with isoniazid (INH) for exposure to TB has this medical history: diabetes mellitus type 2, hypertension, hyperlipidemia, and coronary artery disease. He drinks one to two glasses of wine on the weekend and smokes two packs of cigarettes per day. Which adverse reaction should the nurse alert the client to report to his health care provider right away?

numbness and tingling in his feet

A nurse is caring for an older adult client with tuberculosis. The client has been prescribed ethambutol. Which adverse reactions of ethambutol should the nurse assess for?

optic neuritis

A 25-year-old woman is being treated with penicillin G as prophylaxis to prevent bacterial endocarditis prior to a dental procedure. The nurse should question the client concerning her the use of:

oral contraceptives.

A client diagnosed with streptococcal pharyngitis should be educated concerning which drug? Select all that apply.

penicillin V penicillin G

What event triggers the development of a superinfection?

proliferation of antibiotic-resistant microorganisms

A client is started on sulfamethoxazole-trimethoprim (Bactrim) for a urinary infection. What adverse effect should the nurse assess with this client?

renal damage

The nurse has administered a client's first scheduled dose of amoxicillin. What subsequent client report should prompt the nurse to seek the discontinuation of this drug?

shortness of breath

An older adult client is assessed in the clinic for signs and symptoms of chronic bronchitis related to pneumococci. Which sulfonamides will most likely be prescribed?

trimethoprim-sulfamethoxazole

Which action would the nurse suggest to a client to reduce the risk of photosensitivity from sulfonamide therapy? Select all that apply.

using sunscreen wearing sunglasses wearing protective clothing

A nurse works in a community setting and follows clients who have TB. Which clients would likely require the most follow-up from rifampin therapy?

An HIV-positive client

A 40-year-old is being treated for an ear infection with a cephalosporin. Which adverse reactions should the nurse monitor for in the client?

Nausea

A nurse is caring for a patient undergoing the second phase of standard TB treatment. The nurse knows that which of the following combinations of drugs need to be administered to the client?

Rifampin and isoniazid

A client has been on an antibiotic for two weeks for treatment of an infection. The client asks the nurse why a superinfection has been caused by this medication. What is the nurse's best response?

"Antibiotics can disrupt the normal bacteria in your body, causing another infection to occur."

After teaching a client who is prescribed oral erythromycin, the nurse determines that the teaching was successful when the client states which of the following?

"I should drink a full 8-oz glass of water when I take the medicine."

The health care provider has prescribed ciprofloxacin. For which client would you contact the provider to clarify the order because the medication is contraindicated? (Select all that apply.)

Children younger than 18 Pregnant and lactating mothers

The use of rifampin is contraindicated in which? Select all that apply.

Renal impairment Hepatic impairment

A client is diagnosed with an infection attributable to the gram-negative microorganism Pseudomonas. Which anti-infective agent is most reliable in treating this microorganism?

aminoglycoside

A nurse is caring for an adult client diagnosed with bacterial sinusitis. The nurse has cautioned the client against taking prescribed oral erythromycin together with antacids. What is the basis of this instruction?

Antacids decrease the absorption of the drug.

A child has been diagnosed with acute otitis media. Before the child begins antibiotic treatment, what assessment should the nurse perform?

Assess the child for allergies to penicillins.

A client who takes zinc daily is diagnosed with a severe infection and is ordered levofloxacin (Levaquin). The nurse is aware that taking these two drugs may have what affect on the antibiotic?

Decreased absorption

Which of the following should a nurse carefully monitor in a patient who has been administered cephalosporin as well as aminoglycosides for a wound infection?

Nephrotoxicity

A middle-aged patient has been prescribed tetracycline as part of his Prevpac for the treatment of H. pylori. The patient has a history of atrial fibrillation which is being treated with digitalis drugs. Given his history and current medications, the patient is at risk for which of the following conditions?

Risk of toxicity

A client is taking clindamycin for an infectious process and presents to the health care provider's office with symptoms of dehydration. The nurse understands that the client is experiencing what adverse reaction from the administration of clindamycin?

diarrhea


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