A chemical substance that is released into the blood by a gland ...

[justinmsk]

A chemical substance that is released into the blood by a gland and that controls or affects processes in other glands or body systems is a(n):
 
  A) enzyme.
  B) hormone.
  C) leukotriene.
  D) neurotransmitter.

Question 2

Which of the following statements made by an EMT shows he correctly understands capillary refill?
 
  A) Capillary refill is a reliable sign of perfusion in adults, but not as reliable in infants and children.
  B) Red flushed skin in the adult is a normal finding when assessing capillary refill.
  C) A capillary refill of 4 or more seconds in any age patient indicates that he or she is well oxygenated.
  D) For a capillary refill test to be normal for a child, it must be assessed at room temperature and be less than 2 seconds.

[brittiany.barnes]

Answer to Question 1

B

Answer to Question 2

D