Drugs Acting on the Respiratory System MCQs with Answers
1. The corticosteroids used to treat inflammatory lung conditions differ from each other in
a. site of action.
b. adverse effects.
c. receptor-binding affinity.
d. optimal route of administration.
2. Which pulmonary effect of β2-adrenergic receptor agonists is NOT desirable?
a. Bronchodilation.
b. Bronchoprotection.
c. Regulation of alveolar epithelial cell fluid balance.
d. Desensitization and downregulation of β2-adrenergic receptors.
3. Which β2-adrenergic receptor agonist is most widely prescribed?
a. Albuterol.
b. Salmeterol.
c. Levalbuterol.
d. Metaproterenol.
4. Which drug or type of drug is often combined in the same preparation with salmeterol in an inhaled form?
a. An α-adrenergic receptor agonist.
b. Glucocorticosteroid.
c. Ibuprofen.
d. Metaproterenol.
5. Each occurs when a corticosteroid is coadministered with a β2-adrenergic receptor agonist, EXCEPT one. Which is the EXCEPTION?
a. Smooth muscle hyperplasia is restrained.
b. Each drug enhances the effect of the other.
c. Tolerance to β2-adrenergic receptor agonist is offset.
d. The potential of systemic effects of corticosteroids is increased.
6. Which asthmatic drug is not effective when administered as an inhalant?
a. Ipratropium.
b. Epinephrine.
c. Theophylline.
d. Isoproterenol.
7. Which drug or drug type is indicated for the treatment of aspirin-induced asthma due to the ability of aspirin to elevate cysteinyl leukotrienes?
a. Ketotifen.
b. Cromolyn.
c. Anticholinergics.
d. Montelukast.
8. Which over-the-counter antitussive produces effects comparable to codeine phosphate?
a. Noscapine.
b. Benzonatate.
c. Hydrocodone.
d. Dextromethorphan.
9. Which nasal decongestant is commonly used and has a long duration of action?
a. Ephedrine.
b. Epinephrine.
c. Oxymetazoline.
d. Propylhexedrine.
10. Which is a common, easily treatable, adverse effect of inhaled corticosteroids?
a. Weight gain.
b. Oral candidiasis.
c. Metabolic changes.
d. Adrenal suppression.
