CDC Pharmacology & Drug Administration 3

Question 1

A patient taking monoamine oxidase inhibitors (MAOIs) presents for dental treatment. Which vasopressor in local anesthetic solutions poses a serious interaction risk?

Accepted Answer

Epinephrine

Answer

MAOIs can potentiate the cardiovascular effects of epinephrine, potentially causing hypertensive crisis.

Question 2

Which route of drug administration provides the fastest onset of action in dental emergencies?

Accepted Answer

Intravenous (IV)

Answer

Intravenous administration delivers drugs directly into the bloodstream, providing the fastest onset of action.

Question 3

Diphenhydramine (Benadryl) is classified as which drug type and has what relevance to dental pharmacology?

Accepted Answer

Antihistamine; can cause sedation and is used for mild allergic reactions

Answer

Diphenhydramine is a first-generation antihistamine used for mild allergic reactions; its sedative side effect is also clinically relevant in dentistry.

Question 4

Which benzodiazepine is most commonly used for oral pre-medication anxiolysis before dental procedures in the US?

Accepted Answer

Triazolam

Answer

Triazolam is widely used for oral premedication in dentistry due to its short half-life and effective anxiolytic properties.

Question 5

What does the term 'drug half-life' refer to in clinical pharmacology?

Accepted Answer

Time for plasma concentration to decrease by 50%

Answer

Half-life is the time it takes for the plasma concentration of a drug to fall by half, influencing dosing intervals.

(CDC) Certified Dental Ceramist Practice Test

(CDC) Certified Dental Ceramist Practice Test

CDC Pharmacology & Drug Administration 3