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HESI RN · HESI Pharmacology · Pharmacology of CNS Drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Corticosteroids exert anti-inflammatory action by inhibiting the following enzyme

A. Cyclooxygenase

B. Lipoxygenase

C. Phospholipase A

D. Phosphodiesterase

Expert Explanatory Rationale

Correct Answer: Phospholipase A

Question 2 of 5

The introduction of this drug may represent a novel approach to the treatment of major depressive disorders since it appears to act as an antagonist at alpha2-adrenoceptors in the CNS.

A. Amoxapine

B. Bupropion

C. Citalopram

D. Mirtazapine

Expert Explanatory Rationale

Correct Answer: Mirtazapine

Question 3 of 5

A psychiatric patient taking medications develops a tremor, thyroid enlargement, and leukocytosis. The drug he is taking is most likely to be

A. Clomipramine

B. Haloperidol

C. Imipramine

D. Lithium

Expert Explanatory Rationale

Correct Answer: Lithium

Question 4 of 5

Which of the following anticonvulsants is contraindicated in patients with a history of hypersensitivity to tricyclic antidepressants?

A. Phenytoin

B. Ethosuximide

C. Acetazolamide

D. Carbamazepine

Expert Explanatory Rationale

Correct Answer: Carbamazepine

Question 5 of 5

Local anaesthetic molecule consists of

A. Lipophilic group linked by an ester or amide chain

B. Lipophilic group linked by an ester or amide chain to an amine substitute

C. Lipophilic group linked to an amine substitute

D. None of the above

Expert Explanatory Rationale

Correct Answer: Lipophilic group linked by an ester or amide chain

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