Emergency Services Emergency Medical Services (EMS) 3

Question 1

Which medication is the first-line treatment for anaphylaxis in the prehospital setting?

Accepted Answer

Epinephrine

Answer

Epinephrine is the definitive first-line treatment for anaphylaxis because it reverses bronchospasm, vasodilation, and urticaria.

Question 2

What is the correct adult dosage of epinephrine in an auto-injector (EpiPen) for anaphylaxis?

Accepted Answer

0.3 mg

Answer

The standard adult EpiPen delivers 0.3 mg of epinephrine 1:1000 intramuscularly.

Question 3

What does OPQRST stand for in patient pain assessment?

Accepted Answer

Onset, Provocation, Quality, Radiation, Severity, Time

Answer

OPQRST helps EMS providers systematically assess a patient's chief complaint, especially pain.

Question 4

Which of the following is a contraindication to applying a tourniquet?

Accepted Answer

Injury involving the torso or neck

Answer

Tourniquets are only effective and safe for limb bleeding; they cannot be applied to the torso or neck.

Question 5

What is the recommended chest compression depth for an adult during CPR?

Accepted Answer

2–2.4 inches

Answer

Current AHA guidelines specify a chest compression depth of at least 2 inches but no more than 2.4 inches for adult CPR.

Emergency Services Practice Test