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HESI RN · HESI Pharmacology · Drugs for allergy and respiratory problems Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The action of 5-Hydroxy tryptamine mediated by the 5-HT₃ receptor is

A. Vasoconstriction
B. Bradycardia
C. EDRF release
D. Platelet aggregation

Expert Explanatory Rationale

Correct Answer: Bradycardia

Question 2 of 5

The primary goals of asthma therapy include all of the following except

A. Maintain normal activity levels
B. Prevent destruction of lung tissue
C. Avoid adverse effects of asthma medications
D. Prevent acute exacerbations and chronic symptoms

Expert Explanatory Rationale

Correct Answer: Prevent destruction of lung tissue

Question 3 of 5

A physician prescribes a drug for an asthmatic patient. What does this drug know that its overdose causes insomnia and arrhythmias?

A. Aminophylline
B. Cromolyn
C. Epinephrine
D. Ipratropium

Expert Explanatory Rationale

Correct Answer: Aminophylline

Question 4 of 5

Fluticasone by inhalation is useful in long-term control of bronchial asthma by acting as:

A. Anti-leukotriene
B. Anti-histamine
C. Anti-inflammatory corticosteroid
D. Mast cell stabilizer

Expert Explanatory Rationale

Correct Answer: Anti-inflammatory corticosteroid

Question 5 of 5

The physician has ordered a dry powder inhaler for a patient that is being discharged. The patient has never used an inhaler before. Which of the following instructions is correct for using a dry powder inhaler?

A. Blow slowly into the device
B. Hold the device vertically after loading
C. Inhale rapidly for 1-2 seconds
D. Breathe normally in and out of the device

Expert Explanatory Rationale

Correct Answer: Inhale rapidly for 1-2 seconds

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