A nurse is reviewing the culture and sensitivity report of a patient who has a wound infection caused by Staphylococcus aureus.
The report indicates that the organism is sensitive to several antibiotics, including oxacillin, erythromycin, and clindamycin. Which antibiotic should be chosen for this patient? (Select all that apply.).

Oxacillin

Erythromycin

Clindamycin

Vancomycin

Linezolid.

Answer and Explanation

Correct Answer : A,B,C

Oxacillin, erythromycin and clindamycin are all antibiotics that are sensitive to Staphylococcus aureus according to the culture and sensitivity report.

This means that they can inhibit or kill the bacteria that are causing the wound infection. These antibiotics belong to different classes of drugs that have different mechanisms of action and spectrum of activity.

Choice D and E are wrong because vancomycin and linezolid are antibiotics that are usually reserved for more resistant strains of Staphylococcus aureus, such as methicillin-resistant Staphylococcus aureus (MRSA) or

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Correct Answer is A

Explanation

Gentamicin is an aminoglycoside antibiotic that can cause nephrotoxicity, which is damage to the kidneys.Serum creatinine is a measure of kidney function and should be monitored closely during gentamicin therapy. The normal range for serum creatinine is 0.6 to 1.2 mg/dL for men and 0.5 to 1.1 mg/dL for women.

Choice B is wrong because serum potassium is not affected by gentamicin.

The normal range for serum potassium is 3.5 to 5.0 mEq/L.

Choice C is wrong because serum calcium is not affected by gentamicin.

The normal range for serum calcium is 8.5 to 10.2 mg/dL.

Choice D is wrong because serum glucose is not affected by gentamicin.

The normal range for serum glucose is 70 to 110 mg/dL.

A. Resistant infection B. Superinfection C. Nosocomial infection D. Allergic reaction.

Correct Answer is B

Explanation

A superinfection is defined as an infection that comes second to an initial infection and is often caused by the elimination of normal flora by an antibiotic.

Normal flora are the microorganisms that normally live in the human body and help prevent the growth of harmful pathogens.

When an antibiotic kills the normal flora, it creates an opportunity for other microorganisms to overgrow and cause a new infection.

Choice A is wrong because a resistant infection is an infection that does not respond to an antibiotic due to the presence of resistant bacteria.

Resistance can occur when bacteria mutate or acquire genes that make them able to survive the antibiotic.

Choice C is wrong because a nosocomial infection is an infection that is acquired in a hospital or health care setting.

Nosocomial infections can be caused by various factors, such as exposure to contaminated equipment, poor hygiene practices, or transmission from other patients or staff.

Choice D is wrong because an allergic reaction is an immune response to a foreign substance that is not harmful.

Allergic reactions can occur when a person is sensitive to an antibiotic or any other drug.

Symptoms of an allergic reaction may include rash, itching, swelling, or difficulty breathing.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a patient who is receiving gentamicin IV for treatment of endocarditis caused by gram-negative bacteria. Which laboratory value should be monitored closely during gentamicin therapy?

Correct Answer is A

Explanation

The development of a new infection as a result of the elimination of normal flora by an antibiotic is referred to as what?

Correct Answer is B

Explanation

A nurse is caring for a client who is receiving gentamicin, an aminoglycoside antibiotic, for a severe infection. The nurse should monitor the client for which adverse effects of this drug? (Select all that apply.)

A nurse is caring for a client who has a severe infection and is receiving vancomycin (Vancocin). The nurse should monitor the client for which of the following manifestations of ototoxicity?

A nurse is preparing to administer ceftriaxone (Rocephin) to a client who has pneumonia caused by Streptococcus pneumoniae. The nurse should recognize that ceftriaxone belongs to which generation of cephalosporins?

A nurse is caring for a client who has tuberculosis and is prescribed rifampin, an antitubercular drug. The nurse should instruct the client about which potential side effect of rifampin?

A nurse is preparing to administer flucytosine to a client who has a systemic fungal infection. Which of the following assessments should the nurse perform before giving this medication? (Select all that apply.).

A nurse is educating a client who has a respiratory infection and a new prescription for azithromycin (Zithromax). Which of the following instructions should the nurse include? (Select all that apply).

Which statement is true regarding antimicrobial stewardship?

A nurse is teaching a client who has been prescribed tetracycline, a tetracycline antibiotic, for acne vulgaris. Which of these instructions should the nurse include in the teaching? (Select all that apply.)