ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
The neurotransmitter system in the brain most affected in Alzheimer's disease is
Correct Answer: D
Rationale: Alzheimer's disease is associated with cholinergic neuron degeneration.
Question 2 of 5
The neurotransmitter system in the brain most affected in Alzheimer's disease is
Correct Answer: D
Rationale: Alzheimer's disease is associated with cholinergic neuron degeneration.
Question 3 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 4 of 5
Peak serum level of orally administered lithium is usually achieved in
Correct Answer: C
Rationale: Lithium reaches its peak serum levels typically within 2 to 4 hours after oral administration.
Question 5 of 5
The prostanoid that consistently constricts blood vessels is
Correct Answer: C
Rationale: Thromboxane A2 is a potent vasoconstrictor and platelet aggregator, playing a key role in clot formation.