ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
Which of the following statements is WRONG:
Correct Answer: C
Rationale: Carbimazole treats hyperthyroidism (choice A), Levothyroxine hypothyroidism (choice B), and Propylthiouracil is pregnancy-safe (choice D), all correct. Methimazole (choice C) isn't metabolized into carbimazole; carbimazole is a prodrug for methimazole, the active form, making this wrong. This clarifies thionamide metabolism, key for therapeutic accuracy.
Question 2 of 5
A first-year surgery intern has rotated on numerous surgical services. He has gotten quite used to ordering morphine for pain control. However, which of the following is an absolute contraindication to opioid use?
Correct Answer: A
Rationale: Closed head injury (choice A) contraindicates morphine due to respiratory depression and ICP elevation, masking neurological signs. MI (choice B), pulmonary edema (choice C), and diarrhea (choice D) benefit from morphine. This exception ensures safety.
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
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 5 of 5
Which of the following drugs was most likely prescribed to the patient experiencing heavy drowsiness?
Correct Answer: A
Rationale: The patient reported heavy drowsiness as a side effect of the current medication. Amitriptyline is known to cause sedation and drowsiness, making it the most likely drug to have been prescribed in this case.