Pressure in the filled ventricle at the end of diastole is called:

Pressure in the filled ventricle at the end of diastole is called:
 
  A) afterload.
  B) preload.
  C) cardiac output.
  D) stroke volume.

Question 2

While gathering a history from a 65-year-old man, you note that he takes a beta blocker. You know this is a cardiac medication which will:
 
  A) cause smooth muscle in the heart to contract.
  B) block the beta receptors of the parasympathetic nervous system
  C) interrupt the signals to the vagus nerve.
  D) reduce the rate and force of cardiac contractions.

Question 3

You are caring for a 64-year-old woman with chest pain and shortness of breath. She is alert and oriented with an open airway. Her breathing is adequate and you have provided her with oxygen via nonrebreather at 15 lpm. She has a normal pulse and her skin is warm and dry. Which of the following should you do next?
 
  A) Obtain her heart rate and blood pressure.
  B) Prepare for immediate transport.
  C) Inquire about history of heart problems.
  D) Hook up the automatic external defibrillator.