The term catecholamine best describes drugs that are:

Nurselytic

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Peripheral Nervous System Drugs Quizlet Questions

Question 1 of 5

The term catecholamine best describes drugs that are:

A. Adrenergic receptor blockers B. Atropine-like in terms of their mechanisms and sites of action C. Classified like neostigmine and physostigmine D. Similar to adrenaline and noradrenaline in terms of structure and major pharmacologic properties

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Some medications for relief of cold/allergy symptoms contain pseudoephedrine, which acts as a decongestant. If a patient who is taking an MAO inhibitor takes pseudoephedrine, what is the likely outcome?

A. Acute bronchospasm/asthma due to ACh release from the adrenal medulla B. Hypertensive crisis, possible stroke C. Heart rate and contractile force would drop significantly and quickly D. The cold symptoms would quickly get worse (increased secretions)

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

In the autonomic regulation of blood pressure

A. Cardiac output is maintained constant at the expense of other hemodynamic variables B. Elevation of blood pressure results in elevated aldosterone secretion C. Baroreceptor nerve fibers decrease firing rate when arterial pressure increases D. A condition that reduces the sensitivity of the sensory baroreceptor nerve endings might cause an increase in sympathetic discharge

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

A direct-acting cholinomimetic that is lipid-soluble and often used in the treatment of glaucoma is

A. Acetylcholine B. Bethanechol C. Physostigmine D. Pilocarpine

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

Which of the following best describes the mechanism of action of scopolamine?

A. Irreversible antagonist at nicotinic receptors B. Irreversible antagonist at muscarinic receptors C. Physiologic antagonist at muscarinic receptors D. Reversible antagonist at muscarinic receptors

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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