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HESI LPN · HESI LPN Pharmacology · HESI Drugs affecting the respiratory system Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A 23-year-old woman is using a salbutamol inhaler for frequent acute episodes of asthma and describes symptoms that she ascribes to salbutamol. Which of the following is NOT a recognized action of salbutamol?

A. Diuretic effect

B. Positive inotropic effect

C. Skeletal muscle tremor

D. Smooth muscle relaxation

Expert Explanatory Rationale

Correct Answer: Diuretic effect

Question 2 of 5

A young boy is diagnosed as asthma. His primary symptom is frequent cough, not bronchospasm or wheezing. Other asthma medications are started, but until their effects developed fully we wish to suppress the cough without causing sedation or other unwanted effects. Which of the following would best meet these needs?

A. Codeine

B. Dextromethorphan

C. Diphenhydramine

D. Pholcodine

Expert Explanatory Rationale

Correct Answer: Dextromethorphan

Question 3 of 5

While administering an adrenergic aerosol bronchodilator treatment to an adult female patient, you notice an increase in her pulse rate from 81 beats/min to 125 beats/min after two minutes. Which of the following actions should you take?

A. Use half of the standard dosage next time

B. Add more diluent to the nebulizer chamber

C. Temporarily stop the treatment until the patient's heart rate decreases

D. Stop the treatment and notify the physician

Expert Explanatory Rationale

Correct Answer: Stop the treatment and notify the physician

Question 4 of 5

Which of the following is a nonselective but very potent and efficacious bronchodilator that is not active by the oral route?

A. Aminophylline

B. Cromolyn

C. Epinephrine

D. Ipratropium

Expert Explanatory Rationale

Correct Answer: Epinephrine

Question 5 of 5

Pharmacodynamic properties of salmeterol include:

A. Tremor

B. Exacerbation of atrial dysrhythmias

C. Hyperkalaemia

D. Prolonged pharmacodynamic effects allowing twice-daily dosing

Expert Explanatory Rationale

Correct Answer: Prolonged pharmacodynamic effects allowing twice-daily dosing

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