DANB CDA Dental Pharmacology 2

Question 1

Which drug is the first-line treatment for anaphylaxis occurring in the dental office?

Accepted Answer

Epinephrine

Answer

Epinephrine rapidly reverses bronchospasm and vasodilation by stimulating adrenergic receptors and is the definitive treatment for anaphylaxis.

Question 2

Ibuprofen and naproxen belong to which drug class commonly used for dental pain management?

Accepted Answer

NSAIDs

Answer

Ibuprofen and naproxen are nonsteroidal anti-inflammatory drugs (NSAIDs) that inhibit COX enzymes to reduce pain, fever, and inflammation.

Question 3

Which local anesthetic is classified as an ester type and is most commonly used as a topical surface anesthetic?

Accepted Answer

Benzocaine

Answer

Benzocaine is an ester-type local anesthetic hydrolyzed by plasma pseudocholinesterase and is the most widely used topical dental anesthetic.

Question 4

What is xerostomia, and which drug class is a common cause?

Accepted Answer

Dry mouth caused by antihistamines and other medications

Answer

Xerostomia is dry mouth resulting from reduced salivary flow, a common side effect of antihistamines, antidepressants, and antihypertensives.

Question 5

Which antibiotic is the recommended alternative for infective endocarditis prophylaxis in patients allergic to penicillin?

Accepted Answer

Clindamycin

Answer

Clindamycin 600 mg orally is the AHA-recommended alternative prophylaxis for patients with a penicillin allergy.

DANB CDA Test Practice Test