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HESI RN · HESI Pharmacology · Drugs affecting the respiratory system edapt Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Adrenergic agonists clearly play a role in managing some patients with asthma, whether for prophylaxis (control medication) or for rescue therapy. Which of the following drugs is classified as an adrenergic agonist, but has no physiologically relevant or clinically useful effects on airway smooth muscle tone?

A. Albuterol

B. Norepinephrine

C. Salmeterol

D. Terbutaline

Expert Explanatory Rationale

Correct Answer: Norepinephrine

Question 2 of 5

Which of the following expectorants acts both directly on the airway mucosa as well as reflexly?

A. Potassium iodide

B. Guaiphenesin

C. Terpin hydrate

D. Bromhexine

Expert Explanatory Rationale

Correct Answer: Potassium iodide

Question 3 of 5

Drugs that can dilate bronchi during an acute asthmatic attack include all of the following except

A. Epinephrine

B. Terbutaline

C. Nedocromil

D. Theophylline

Expert Explanatory Rationale

Correct Answer: Nedocromil

Question 4 of 5

Salbutamol:

A. Is devoid of any action on heart rate

B. Contract uterine smooth muscle

C. Can cause skeletal muscle tremors

D. $b+c$

Expert Explanatory Rationale

Correct Answer: Can cause skeletal muscle tremors

Question 5 of 5

The most likely complication of prolonged use of nasal decongestant drops is

A. Atrophic rhinitis

B. Hypertrophy of nasal mucosa

C. Naso-pharyngeal moniliasis

D. Blockage of Eustachian tubes

Expert Explanatory Rationale

Correct Answer: Atrophic rhinitis

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