Deck 62: Macrolides

Question 1

A primary care NP is preparing to prescribe a macrolide antibiotic for a patient who has a history of a prolonged QT interval on electrocardiogram.Which macrolide antibiotic should the NP prescribe?

A) Erythromycin
B) Azithromycin
C) Clarithromycin
D) Telithromycin

Answer 1

Azithromycin

Question 2

Which antibiotic requires administration of a loading dose?

A) Ilosone
B) E-Mycin
C) Erythrocin
D) Zithromax

Answer 2

Zithromax

Question 3

A primary care NP is planning to order a macrolide antibiotic for a patient who is experiencing an exacerbation of chronic obstructive pulmonary disease.The patient is taking a cytochrome (CYP)3A medication.The NP should order:

A) azithromycin.
B) clarithromycin.
C) erythromycin base.
D) erythromycin estolate.

Answer 3

azithromycin.

Question 4

A primary care NP sees a 6-month-old patient who has a persistent staccato cough.The NP is aware that there is a pertussis outbreak in the community.The NP should obtain appropriate cultures and treat empirically with:

A) erythromycin.
B) azithromycin.
C) clarithromycin.
D) telithromycin.

Question 5

A patient has had severe diarrhea for 2 weeks.Laboratory testing reveals Clostridium difficile.The primary care NP should prescribe:

A) erythromycin.
B) azithromycin.
C) fidaxomicin.
D) clarithromycin.

Question 6

A primary care nurse practitioner (NP)is prescribing once-daily azithromycin to a 25-year-old woman.When teaching her about the drug,the NP should tell her to:

A) take the medication on an empty stomach.
B) use a backup contraception method other than oral contraceptive pills.
C) expect severe gastrointestinal side effects while taking this drug.
D) cut the pill in half and take twice daily if side effects are severe.