Which of the following drugs inhibit bacterial beta-lactamase?
goldenseal
ceftriaxone (Rocephin)
penicillin
Zosyn (piperacillin/tazobactam)
The Correct Answer is D
A.Goldenseal:
Goldenseal is a plant commonly used in herbal medicine, but it is not a drug that specifically inhibits bacterial beta-lactamase. While goldenseal may have antimicrobial properties, it is not typically used as a beta-lactamase inhibitor in the treatment of bacterial infections.
B. Ceftriaxone (Rocephin):
Ceftriaxone is a third-generation cephalosporin antibiotic. While it is an effective antibiotic for treating a wide range of bacterial infections, it does not have beta-lactamase inhibitor properties. Instead, ceftriaxone is susceptible to degradation by beta-lactamase enzymes produced by certain bacteria.
C. Penicillin:
Penicillin is one of the earliest discovered and most widely used beta-lactam antibiotics. However, many bacteria have developed resistance to penicillin by producing beta-lactamase enzymes. Penicillin itself does not inhibit beta-lactamase; instead, it is often combined with beta-lactamase inhibitors to enhance its effectiveness against beta-lactamase-producing bacteria.
D. Zosyn (piperacillin/tazobactam):
Zosyn is a combination antibiotic containing piperacillin, a broad-spectrum penicillin antibiotic, and tazobactam, a beta-lactamase inhibitor. Tazobactam inhibits the action of beta-lactamase enzymes produced by bacteria, allowing piperacillin to exert its antibacterial effects without being degraded by beta-lactamase. Therefore, Zosyn is the correct answer as it contains a drug that inhibits bacterial beta-lactamase.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Ibuprofen:
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used to relieve pain and reduce inflammation. There are no significant interactions reported between erythromycin and ibuprofen.
B. Lasix (Furosemide):
Lasix is a diuretic medication used to treat fluid retention (edema) and high blood pressure. There are no significant interactions reported between erythromycin and furosemide.
C. Lovastatin:
Lovastatin is a statin medication used to lower cholesterol levels. Erythromycin can increase the levels of lovastatin in the blood by inhibiting its metabolism through the CYP3A4 enzyme. This can lead to an increased risk of statin-related side effects, including muscle pain and weakness, and in rare cases, rhabdomyolysis.
D. Lisinopril:
Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor used to treat high blood pressure and heart failure. There are no significant interactions reported between erythromycin and lisinopril.
Correct Answer is ["0.6"]
Explanation
To calculate the volume of diazepam solution needed, we can use the formula:
Volume (mL) = Total dose (mg) / Concentration (mg/mL)
Given:
Total dose = 3 mg
Concentration = 5 mg/mL
Plugging the values into the formula:
Volume (mL) = 3 mg / 5 mg/mL
Volume (mL) = 0.6 mL
The nurse should administer: 0.6 mL
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