ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
Hyperthyroidism can be treated by the following EXCEPT:
Correct Answer: A
Rationale: Carbimazole (choice A) and Propylthiouracil (choice D) treat hyperthyroidism by inhibiting thyroid hormone synthesis, Propranolol (choice C) manages symptoms. Carbamazepine (choice B), an anticonvulsant, is unrelated, making it the exception. This clarifies antithyroid therapy.
Question 2 of 5
An endocrine gland that plays an important role in calcium metabolism is the:
Correct Answer: D
Rationale: The parathyroid (choice D) regulates calcium via PTH, increasing blood levels. Pancreas (choice A) manages glucose, adrenals (choice B) stress hormones, thyroid (choice C) metabolism via calcitonin. Parathyroid's calcium role is primary.
Question 3 of 5
A 14-year-old girl is brought to the emergency room as her mother observed that her daughter experienced frequent impairments of consciousness lasting for about 30 seconds. Neurological evaluation indicates 'Absence seizures'. With which of the following drugs should we start treatment?
Correct Answer: C
Rationale: Ethosuximide (choice C) treats absence seizures by reducing T-type calcium currents, ideal for brief consciousness lapses. Alprazolam (choice A), Diazepam (choice B), and Midazolam (choice D), benzodiazepines, aren't first-line for absence. Ethosuximide's specificity is key.
Question 4 of 5
Which of the following adverse effects of levodopa is not minimized by combining it with carbidopa
Correct Answer: A
Rationale: Carbidopa does not prevent dyskinesias caused by prolonged levodopa use.
Question 5 of 5
Epinephrine HCl has little or no effect on
Correct Answer: A
Rationale: Epinephrine is poorly absorbed through unbroken skin but is effective on mucosal surfaces.