____________________ are present on the surface of cells that identify the cell as either self or ...

____________________ are present on the surface of cells that identify the cell as either self or foreign and allow the body to attack and destroy non-self invaders.
 
  a. Antigens
  b. Antibodies
  c. Platelets
  d. Erythrocytes

Question 2

The MOST serious and immediate injury that results from electrical contact is:
 
  A) point of contact burns and exit wounds. B) disseminated intravascular coagulation.
  C) the development of cardiac arrhythmias. D) the internal damage to bone and muscle.

Question 3

Once an injection has been given to a patient, which of the following should NOT be done?
 
  a. Observe and document all findings on a patient.
  b. Immediately dispose of used sharps in proper containers.
  c. Treat all bodily fluids as potentially infection.
  d. Recap the needle to avoid accidentally being stuck.