________________________ is a naturally occurring hormone released by the posterior pituitary gland. ...

________________________ is a naturally occurring hormone released by the posterior pituitary gland.
 
  a. Oxytocin
  b. Thyroxine
  c. Adrenalin
  d. Norepinephrine

Question 2

One reason females tend to fall as the pregnancy progresses is:
 
  A) relative hypovolemia causing syncope. B) tachycardia that decreases cardiac output.
  C) the alteration in center of gravity. D) an increased incidence of abruptio placenta.

Question 3

Which block often has a tendency to progress to a complete heart block, and requires intensive patient monitoring?
 
  a. Third degree
  b. Mobitz II
  c. Mobitz I
  d. First degree

Question 4

Which of the following factors does NOT determine severity of an electrical injury?
 
  A) Path of the current through the body B) The development of atrial arrhythmias
  C) Duration of contact with the source D) Type and amount of current (AC/DC)