Chapter 90: Miscellaneous Antibacterial Drugs: Fluoroquinolones, Metronidazole, Daptomycin, Rifampin, Bacitracin, and Polymyxins

Chapter 90: Miscellaneous Antibacterial Drugs: Fluoroquinolones, Metronidazole, Daptomycin, Rifampin, Bacitracin, and Polymyxins

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

1. The nurse is preparing to administer an antibiotic to a patient with methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus (VRE). The nurse would expect the health care provider (HCP) to order which of the following antibiotics?

a.	Daptomycin (Cubicin)
b.	Levofloxacin (Levaquin)
c.	TMP/SMZ (Bactrim)
d.	Ciprofloxacin (Cipro)

 

 

ANS:   A

Daptomycin is active against VRE and MRSA.

Levofloxacin, TMP/SMZ, and ciprofloxacin are not active against VRE and MRSA.

 

DIF:    Cognitive Level: Application             REF:    p. 1055

TOP:    Nursing Process: Planning

MSC:   NCLEX Client Needs Category: Physiological Integrity: Pharmacological and Parenteral Therapies

 

2. The nurse is caring for a patient who is concurrently taking ciprofloxacin (Cipro) and warfarin (Coumadin). The nurse should anticipate a(n)

a.	increase in the ciprofloxacin dose.
b.	decrease in the warfarin dose.
c.	increase in the warfarin.
d.	decrease in the ciprofloxacin dose.

 

 

ANS:   B

Ciprofloxacin can elevate levels of warfarin. The prothrombin time should be monitored, and the dosage of warfarin should be reduced as appropriate.

 

DIF:    Cognitive Level: Application             REF:    p. 1053

TOP:    Nursing Process: Planning

MSC:   NCLEX Client Needs Category: Physiological Integrity: Pharmacological and Parenteral Therapies

 

3. The nurse is caring for a patient taking trovafloxacin (Trovan) for an infection. The nurse understands that the greatest concern with using trovafloxacin and alatrofloxacin is the development of

a.	hepatotoxicity.
b.	weight loss.
c.	visual disturbances.
d.	anemia.

 

 

ANS:   A

Hepatotoxicity is the greatest concern. Trovafloxacin and alatrofloxacin can cause liver enzyme abnormalities, symptomatic hepatitis, and acute hepatic necrosis.

Weight loss, visual disturbances, and anemia are not associated with trovafloxacin and alatrofloxacin.

 

DIF:    Cognitive Level: Application             REF:    p. 1054

TOP:    Nursing Process: Assessment

MSC:   NCLEX Client Needs Category: Physiological Integrity: Reduction of Risk Potential

 

4. Metronidazole (Flagyl) is active against only which organisms? (Select all that apply.)

a.	Aerobic organisms
b.	Anaerobic organisms
c.	Protozoa
d.	Gram-positive organisms
e.	Gram-negative organisms

 

 

ANS:   B, D

Metronidazole is active against anaerobic organisms and gram-positive organisms.

Metronidazole is not active against aerobic organisms, protozoa, or gram-negative organisms.

 

DIF:    Cognitive Level: Application             REF:    p. 1054

TOP:    Nursing Process: Assessment

MSC:   NCLEX Client Needs Category: Physiological Integrity: Pharmacological and Parenteral Therapies