NBRC Pharmacology and Therapeutics 2

Question 1

Which drug is the first-line treatment for anaphylaxis causing severe bronchospasm?

Accepted Answer

Epinephrine

Answer

Diphenhydramine

Answer

Methylprednisolone

Answer

Albuterol

Question 2

N-acetylcysteine (Mucomyst) works as a mucolytic by which mechanism?

Accepted Answer

Cleaving disulfide bonds in mucus glycoproteins

Answer

Increasing mucociliary clearance

Answer

Blocking leukotriene receptors

Answer

Inhibiting phosphodiesterase

Question 3

Heliox therapy is most appropriate for which clinical situation?

Accepted Answer

Upper airway obstruction causing increased work of breathing

Answer

Hypoxemia due to diffusion impairment

Answer

Hypercapnic respiratory failure

Answer

Pulmonary edema

Question 4

Which drug used in respiratory care inhibits phosphodiesterase, resulting in increased cyclic AMP and bronchodilation?

Accepted Answer

Aminophylline

Answer

Montelukast

Answer

Cromolyn sodium

Answer

Tiotropium

Question 5

A respiratory therapist is preparing to administer racemic epinephrine via nebulizer. This treatment is most indicated for which condition?

Accepted Answer

Post-extubation stridor

Answer

Acute asthma attack

Answer

Bacterial pneumonia

Answer

Pulmonary fibrosis

Question 6

Which inhaled agent is used to assess airway hyperresponsiveness during a bronchoprovocation challenge test?

Accepted Answer

Methacholine

Answer

Albuterol

Answer

Tiotropium

Answer

Fluticasone

Question 7

Sildenafil (Revatio) is used in respiratory care to treat which condition?

Accepted Answer

Pulmonary arterial hypertension

Answer

Severe persistent asthma

Answer

Acute respiratory distress syndrome

Answer

Cystic fibrosis