CMT Emergency Response and First Aid

Question 1

When performing CPR on an adult, what is the recommended compression-to-ventilation ratio?

Accepted Answer

30:2

Answer

Current AHA guidelines recommend a 30:2 compression-to-ventilation ratio for adult CPR.

Question 2

What is the first step when discovering an unresponsive patient?

Accepted Answer

Ensure scene safety and call for help

Answer

Scene safety and activating emergency response (calling for help/911) are the first priorities before patient assessment.

Question 3

For an adult in cardiac arrest, chest compressions should be performed at a depth of:

Accepted Answer

At least 2 inches (5 cm)

Answer

AHA guidelines specify compressions of at least 2 inches (5 cm) but not more than 2.4 inches for adults.

Question 4

Which universal sign indicates that a conscious patient is choking?

Accepted Answer

Clutching the throat with both hands

Answer

The universal choking sign is clutching the throat with one or both hands.

Question 5

The Heimlich maneuver delivers abdominal thrusts to relieve choking by:

Accepted Answer

Forcing air upward from the lungs to dislodge the obstruction

Answer

Abdominal thrusts increase intrathoracic pressure, forcing residual air upward to expel the foreign body.

(CMT) Certified Medical Technician Practice Test