EMS Pharmacology & Drug Administration 3

Question 1

Which route of drug administration provides the FASTEST onset of action in EMS?

Accepted Answer

Intravenous (IV)

Answer

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

Question 2

A patient on warfarin presents with uncontrolled bleeding. Which reversal agent is most appropriate for EMS to consider?

Accepted Answer

Tranexamic acid

Answer

Tranexamic acid (TXA) inhibits fibrinolysis and is used in EMS for hemorrhage control, while definitive warfarin reversal agents are hospital-based.

Question 3

What is the correct pediatric dose of epinephrine 1:10,000 for cardiac arrest via IV/IO?

Accepted Answer

0.01 mg/kg

Answer

The pediatric cardiac arrest dose of epinephrine is 0.01 mg/kg of the 1:10,000 concentration IV/IO.

Question 4

Glucagon is indicated for hypoglycemia when IV access CANNOT be established because it:

Accepted Answer

Can be given intranasally or IM to stimulate hepatic glycogenolysis

Answer

Glucagon can be given IM or intranasally and stimulates the liver to convert glycogen to glucose, making it useful when IV access is unavailable.

Question 5

Which adverse effect is MOST associated with rapid IV administration of diphenhydramine (Benadryl)?

Accepted Answer

Sedation and hypotension

Answer

Rapid IV diphenhydramine can cause significant sedation and hypotension due to its anticholinergic and antihistamine effects.

(EMS) Emergency Medical Services Certified Practice Test