DANB CDA Dental Pharmacology 3

Question 1

Why is a thorough medication history essential before dental treatment?

Accepted Answer

To identify drug interactions, allergies, and systemic contraindications

Answer

A complete medication history protects patient safety by revealing potential interactions with dental drugs, known allergies, and conditions requiring treatment modifications.

Question 2

Nitroglycerin is stocked in the dental office emergency kit primarily to manage which condition?

Accepted Answer

Angina pectoris

Answer

Nitroglycerin is a coronary vasodilator that relieves angina pectoris by reducing cardiac workload and increasing blood flow to the myocardium.

Question 3

Which class of medications can prolong bleeding time and requires physician consultation before oral surgery?

Accepted Answer

Anticoagulants such as warfarin

Answer

Anticoagulants like warfarin inhibit clotting factor synthesis and significantly prolong bleeding, requiring medical clearance or dose adjustment before surgical procedures.

Question 4

How does nitrous oxide produce its sedative and analgesic effects in dentistry?

Accepted Answer

It depresses the central nervous system, producing sedation and reducing pain perception

Answer

Nitrous oxide produces conscious sedation and mild analgesia through central nervous system depression, reducing patient anxiety and discomfort.

Question 5

Which drug class includes triazolam, sometimes prescribed for management of severe dental anxiety?

Accepted Answer

Benzodiazepines

Answer

Benzodiazepines such as triazolam enhance GABA receptor activity, producing anxiolytic and sedative effects used in oral conscious sedation.

DANB CDA Test Practice Test

DANB CDA Test Practice Test

DANB CDA Dental Pharmacology 3