The nurse is admitting a client to the acute care floor with methicillin-resistant S. aureus. The nurse would expect the physician to order which of the following medications for the client?
kanamycin (Kantrex)
vancomycin
streptomycin
penicillin
The Correct Answer is B
A. Kanamycin (Kantrex):
Kanamycin is an aminoglycoside antibiotic, but it is not commonly used as a first-line treatment for MRSA infections. Aminoglycosides are not typically preferred for treating MRSA because they are not as effective against these resistant bacteria compared to other agents like vancomycin.
B. Vancomycin:
Vancomycin is a glycopeptide antibiotic and is considered the drug of choice for the treatment of MRSA infections, including serious bloodstream infections, pneumonia, and skin and soft tissue infections. It works by inhibiting cell wall synthesis in bacteria, including MRSA.
C. Streptomycin:
Streptomycin is another aminoglycoside antibiotic, similar to kanamycin. Like kanamycin, streptomycin is not typically used as a first-line treatment for MRSA infections because it is less effective against resistant strains compared to other agents like vancomycin.
D. Penicillin:
Penicillin and other beta-lactam antibiotics are ineffective against MRSA because MRSA is resistant to these antibiotics, including methicillin. Therefore, penicillin would not be an appropriate choice for treating MRSA infections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Keep the serum drug level within the therapeutic margin:
This is the correct goal of monitoring peak and trough levels during antibacterial therapy. The therapeutic margin refers to the range of drug concentrations in the bloodstream that achieves optimal therapeutic effects while avoiding toxicity. By monitoring peak and trough levels, healthcare providers can adjust the dosing regimen to maintain drug levels within this therapeutic margin.
B. Increase the therapeutic effect of the drug by gradually decreasing the drug dose:
This statement is incorrect. Monitoring peak and trough levels is not about increasing the therapeutic effect of the drug by gradually decreasing the drug dose. Instead, it's about ensuring that the drug levels are maintained within the appropriate therapeutic range to achieve optimal efficacy without causing adverse effects.
C. Provide maximum physical comfort to the patient:
Monitoring peak and trough levels is not primarily aimed at providing physical comfort to the patient. While optimizing drug therapy can contribute to improved clinical outcomes and patient well-being, the goal of monitoring these levels is specifically related to achieving therapeutic drug concentrations.
D. Treat the main disorder with no psychological distress to the patient:
This statement is unrelated to the goal of monitoring peak and trough levels during antibacterial therapy. While psychological distress may be a consideration in patient care, the primary goal of monitoring drug levels is to ensure therapeutic efficacy and safety.
Correct Answer is D
Explanation
A. Food, Drug and Cosmetic Act:
The Food, Drug, and Cosmetic Act (FD&C Act) is a federal law that regulates the manufacturing, labeling, and distribution of food, drugs, cosmetics, and medical devices in the United States. While the FD&C Act does provide some regulatory authority over certain aspects of dietary supplements, such as labeling requirements and good manufacturing practices, it is not the primary law governing the regulation of herbal and dietary supplements.
B. Joint Commission on the Accreditation of Healthcare Organizations:
The Joint Commission on the Accreditation of Healthcare Organizations (JCAHO), now known as The Joint Commission, is an independent, nonprofit organization that accredits and certifies healthcare organizations and programs in the United States. However, The Joint Commission is not responsible for regulating herbal and dietary supplements.
C. Health and Human Services (HHS):
The Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government. While HHS oversees various health-related agencies, including the Food and Drug Administration (FDA), it is not the primary regulatory authority for herbal and dietary supplements.
D. Dietary Supplement Health and Education Act (DSHEA):
The Dietary Supplement Health and Education Act (DSHEA) of 1994 is the primary law that regulates herbal and dietary supplements in the United States. DSHEA defines dietary supplements, sets forth labeling requirements, establishes good manufacturing practices, and outlines the responsibilities of manufacturers and distributors of dietary supplements. Under DSHEA, dietary supplements are regulated as a category of food rather than as drugs.
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