ATI RN
ATI Pharmacology Quiz Questions
Extract:
Question 1 of 5
A nurse is caring for a client who is prescribed tetracycline 5 grams daily PO in divided doses every 8 hr. Available is tetracycline 500 mg capsules. How many capsules should the nurse administer per dose?
Correct Answer: B
Rationale: 1.5 g daily ÷ 3 doses = 0.5 g (500 mg) per dose ÷ 500 mg/capsule = 1 capsule per dose.
Question 2 of 5
The nurse is caring for a client who has been diagnosed with frequent infections with Strep throat. Which of the following principles contributes to further bacterial resistance to antibiotics? (Select All that Apply.)
Correct Answer: B,D,E,F
Rationale: Premature discontinuation, skipping doses, treating viral infections, and frequent antibiotic use promote resistance by allowing bacterial survival and adaptation, unlike sunlight or handwashing.
Question 3 of 5
The nurse is caring for a client with a fungal infection and prescribed fluconazole (Diflucan). Which of the following side effects should the nurse caution the client regarding?
Correct Answer: A
Rationale: Fluconazole can cause liver toxicity, elevating liver enzymes, requiring monitoring. It does not typically affect creatinine clearance, secretions, or cause Red Man syndrome.
Question 4 of 5
A client with a organ transplant has been placed on methotrexate (Rheumatrex). Which of the following mechanism of actions below describes this medication?
Correct Answer: B
Rationale: Methotrexate inhibits dihydrofolate reductase, blocking folic acid synthesis and thus DNA/RNA replication, crucial for immunosuppression in transplants.
Question 5 of 5
A client exposed to anthrax has presented to the healthcare setting. Which of the following medications below is the treatment for this biological exposure?
Correct Answer: B
Rationale: Ciprofloxacin is a first-line treatment for anthrax due to its efficacy against Bacillus anthracis, unlike nystatin (antifungal), metronidazole (anaerobes/protozoa), or amoxicillin (less effective for anthrax).