Anutonomic Nervous System Drugs

Multiple Choice

Which neurotransmitter is released by postganglionic fibers in the sympathetic nervous system?

• Acetylcholine

• Dopamine

• Norepinephrine

• Serotonin

Multiple Select

Which of the following are effects of sympathetic nervous system activation?

• Dilates pupils

• Increases heart rate

• Stimulates bile release

• Constricts bronchioles

Multiple Choice

Which adrenergic agonist drug is primarily used for bronchodilation in emergency situations such as anaphylaxis?

• Dopamine

• Norepinephrine

• Epinephrine

• Acetylcholine

Open Ended

Explain how adrenergic agonist drugs affect the cardiovascular and respiratory systems.

Multiple Choice

Which of the following are the four main adrenergic receptors?

• Alpha1, Alpha2, Beta1, Beta2

• Alpha, Beta, Gamma, Delta

• Alpha1, Beta1, Gamma1, Delta2

• Alpha2, Beta2, Gamma2, Delta1

Multiple Choice

Which adrenergic receptor is primarily responsible for bronchodilation?

• α1 receptor

• α2 receptor

• β1 receptor

• β2 receptor

Multiple Choice

Stimulation of which adrenergic receptor leads to vasodilation and decreased blood pressure?

• α1 receptor

• α2 receptor

• β1 receptor

• β2 receptor

Open Ended

Explain how stimulation of beta-1 adrenergic receptors affects the heart and kidney.

Multiple Select

Which of the following are effects of beta-2 adrenergic receptor activation?

• Bronchodilation

• Increased heart contractility

• Relaxation of uterine smooth muscle

• Activation of glycogenolysis

Multiple Choice

Which enzyme is responsible for inactivating norepinephrine inside the neuron?

• Catechol-O-methyltransferase (COMT)

• Monoamine oxidase (MAO)

• Acetylcholinesterase

• Adenylate cyclase

Multiple Choice

Which of the following best describes the mechanism of action of indirect-acting sympathomimetic drugs?

• They directly bind to adrenergic receptors to produce effects.

• They increase the release or inhibit the reuptake of norepinephrine.

• They act on both adrenergic receptors and increase norepinephrine release.

• They inhibit the degradation of norepinephrine by enzymes.

Multiple Select

Which of the following are ways sympathomimetic drugs can prolong the action of neurotransmitters?

• Inhibiting reuptake

• Inhibiting degradation by enzyme action

• Increasing neurotransmitter synthesis

• Blocking receptor binding

Multiple Choice

Which adrenergic receptor subtype is primarily responsible for bronchodilation when stimulated by agonists like albuterol?

• Alpha-1

• Alpha-2

• Beta-1

• Beta-2

Open Ended

Explain the difference between selective and nonselective adrenergic agonists, providing an example of each.

Multiple Choice

What is a primary clinical use of epinephrine due to its nonselective action on adrenergic receptors?

• Treatment of hypertension

• Management of anaphylactic shock

• Relief of chronic pain

• Reduction of fever

Multiple Choice

Which of the following is a common side effect of Albuterol Sulfate?

• Bradycardia

• Hyperglycemia

• Hypotension

• Constipation

Open Ended

Explain how alpha 2-adrenergic agonists lower blood pressure and provide an example of such a drug.

Multiple Select

Which of the following are true about alpha-adrenergic antagonists?

• They block alpha-adrenergic receptor sites.

• They are divided into selective and nonselective groups.

• They are used to treat peripheral vascular disease.

• They increase blood pressure.

Multiple Choice

Match the adrenergic blocker receptor to its primary response: Alpha1, Beta1, Beta2.

• Alpha1 - Vasodilation; Beta1 - Decreases heart rate; Beta2 - Constricts bronchioles

• Alpha1 - Increases heart rate; Beta1 - Vasodilation; Beta2 - Inhibits glycogenolysis

• Alpha1 - Constricts bronchioles; Beta1 - Reduces force of contractions; Beta2 - Decreases blood glucose

• Alpha1 - Suppresses ejaculation; Beta1 - Increases heart rate; Beta2 - Contracts uterus

Open Ended

Why are nonselective beta blockers contraindicated in patients with asthma?

Multiple Choice

What are the two main divisions of the peripheral nervous system?

• Autonomic nervous system and somatic nervous system

• Brain and spinal cord

• Sympathetic and parasympathetic nervous systems

• Central and peripheral nervous systems