ATI RN
Pharmacology CNS Drugs Classification Questions
Question 1 of 5
A 44-year-old woman is diagnosed with hypothyroidism and prescribed levothyroxine. Concerning levothyroxine sodium:
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
A 28-year-old woman with infertility and anovulation is treated with clomiphene citrate. The mechanism of action of clomiphene is:
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
Which of the following is characteristic of vitamin D-resistant rickets?
Correct Answer: A
Rationale: Vitamin D-resistant rickets (choice A), often X-linked hypophosphatemic rickets, features elevated 1,25-dihydroxyvitamin D due to renal phosphate wasting, despite resistance. It's not male-confined (choice B, though X-linked), doesn't cause glycosuria (choice C), and PTH may rise (choice D false). Elevated active vitamin D is diagnostic.
Question 4 of 5
Which of the following drugs is potentially dangerous in a single-drug overdose?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
Which of the following is a direct serotonin agonist?
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.