Your chest pain patient has a pulse of 48. Which pacemaker do you suspect is malfunctioning?

Your chest pain patient has a pulse of 48. Which pacemaker do you suspect is malfunctioning?
 
  A) Sinoatrial node
  B) Atrioventricular node
  C) Bundle of His
  D) Purkinje fibers

Question 2

Which of the following is TRUE to reduce the risk of carbon monoxide exposure from vehicle exhaust?
 
  A) Keep the heater or air conditioner on at all times.
  B) Keep ambulance windows open when weather permits.
  C) Cab windows should be kept open when idling.
  D) Attach a conversion device to convert CO to CO2.

Question 3

The normal, regular rate of electrical activity for the heart is set by the:
 
  A) sinoatrial node.
  B) atrioventricular node.
  C) bundle of His.
  D) Purkinje fibers.

Question 4

The safest seating position in the back of the ambulance is:
 
  A) the airway seat.
  B) on the crew bench.
  C) on the stretcher.
  D) all are equally safe.

Question 5

You have responded for a 65-year-old man with chest pain. You note that his blood pressure is 88/62 and his heart rate is 136. Which of the following should you suspect?
 
  A) Angina pectoris
  B) Pain and anxiety
  C) Cardiac tamponade
  D) Cardiogenic shock