The EMT shows she understands the concept of the mammalian diving reflex by stating:
A) "It is a protective mechanism that occurs when the spinal column is compressed as would occur in a diving accident."
B) "It occurs in warm water and serves to increase blood flow to the vital organs."
C) "It may provide benefit to the patient by diverting oxygen-rich blood to the brain and heart."
D) "It occurs in cold water and increases the activity of the vital organs, thus protecting them."
C
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The fifth dose of diphtheria vaccine is given to children between the ages of ________
a. 2 and 4 b. 4 and 6 c. 6 and 8 d. 8 and 10
Organophosphates cause adverse effects through which of the following mechanisms?
A) Inhibiting acetylcholinesterase B) Inhibiting atropine C) Inhibiting acetylcholine D) Blocking nicotinic and muscarinic receptors
Angulated knee dislocations can be immobilized with:
A) a bipolar traction splint. B) two medium rigid splints. C) a swathe. D) a unipolar splint.
When the telescope is introduced into the body, the temperature difference creates _______ on the telescope lens
A. clearness C. cracks B. crystals D. fogging