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.
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Blood transfusion.
Receptors in the autonomic nervous system: (a) Sympathetic pathway: Ach is released at the ganglia ...
The molecular structures of isooctane (left) and octane (right) dictate the differing chemical and ...
Toxins and Chemical Agents Can Contaminate Foods
Energy requirements of an uncatalyzed versus an enzymatically catalyzed chemical reaction