PTCE Medications 3

Question 1

A patient is prescribed warfarin. Which vitamin antagonizes warfarin's anticoagulant effect?

Accepted Answer

Vitamin K

Answer

Warfarin works by inhibiting Vitamin K-dependent clotting factor synthesis, so Vitamin K reduces its effect.

Question 2

What is the mechanism of action of beta-blockers such as metoprolol?

Accepted Answer

Block beta-adrenergic receptors

Answer

Beta-blockers competitively block beta-adrenergic receptors, reducing heart rate and blood pressure.

Question 3

Which medication is a first-line treatment for anaphylaxis?

Accepted Answer

Epinephrine

Answer

Epinephrine (adrenaline) is the first-line emergency treatment for anaphylaxis due to its rapid bronchodilatory and vasopressor effects.

Question 4

Fluoxetine (Prozac) belongs to which antidepressant class?

Accepted Answer

SSRI

Answer

Fluoxetine is a selective serotonin reuptake inhibitor (SSRI), the most widely prescribed antidepressant class.

Question 5

Which of the following medications requires a black box warning for increased suicidality in pediatric patients?

Accepted Answer

Sertraline

Answer

Antidepressants including sertraline carry an FDA black box warning for increased suicidal ideation in children, adolescents, and young adults.

(PTCE) Pharmacy Technician Certification Exam Practice Test