NSG 522 PSYCHOPHARMACOLOGY EXAM 2

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NSG 522 PSYCHOPHARMACOLOGY EXAM 2

NEWEST 2025/2026 COMPLETE QUESTIONS AND

CORRECT ANSWERS ( VERIFIED ANSWERS )

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The rate-limiting enzyme in the synthesis of catecholamines is

• Tyrosine hydroxylase
• aromatic acid decarboxylase
• dopamine B- hydroxlase
• DOPA - ANSWER-a. Tryosine hydroxylase

• Activation of terminal autoreceptors inhibits dopamine release by
• increasing Cl- entry into the terminal.
• decreasing Ca2+ entry into the terminal.
• preventing reuptake into vesicles.
• decreasing Na+ entry into the terminal. - ANSWER-B. Decreasing Ca 2+ entry into the terminal

• _______ and _______ exert their pharmacological effects by blocking monoamine reuptake.
• Cocaine; phenelzine
• Cocaine; tricyclic antidepressants
• Clonidine; tricyclic antidepressants
• Clonidine; yohimbine - ANSWER-B. Cocaine; tricyclic antidepressants

• The dopamine pathway most important for regulating movement is the _______ pathway. 1 / 2

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• nigrostriatal
• mesocortical
• mesolimbic
• tuberohypophyseal - ANSWER-A. Nigrostriatal

• A commonly used dopamine receptor agonist is _______, which is now being used to treat

_______.

• apomorphine; schizophrenia
• apomorphine; erectile dysfunction
• haloperidol; cocaine addiction
• quinpirole; schizophrenia - ANSWER-B. haloperidol; cocaine addiction

• Dopaminergic cell bodies are found primarily in the _______, while adrenergic cell bodies are

found in the _______.

• midbrain; pons and medulla
• midbrain; hypothalamus
• pons and medulla; forebrain
• frontal cortex; cerebellum - ANSWER-A. midbrain; pons and medulla

• B1- and B2-adrenoceptors _______ while B2-receptors _______.
• stimulate adenylyl cyclase; enhance free Ca++ levels
• inhibit adenylyl cyclase; stimulate adenylyl cyclase
• stimulate adenylyl cyclase; inhibit adenylyl cyclase
• increase K+ channel opening; inhibit adenylyl cyclase - ANSWER-c. stimulate adenylyl cyclase;

inhibit adenylyl cyclase

• In the treatment of hypertension, prazosin _______, while propranolol _______.
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