What structure is avascular, external, and its function is to refract light rays?
a. iris
b. sclera
c. retina
d. cornea
d
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Which of the following is an important factor to ensure that the best quality CPR is being per-
formed? A. Interruption of compressions can be up to 30 seconds. B. Full recoil of the chest should occur with each compression. C. Push at a moderate rate with a depth of no more than 1 inch. D. Switch doing compressions only when absolutely necessary.
You arrive at work and note that the portable oxygen tanks in the ambulance are now yellow instead of green as during the previous shift. As a knowledgeable EMT you should:
A) remove the tank and retrieve a green cylinder. B) recognize the addition of more effective synthetic oxygen. C) determine that your service has switched to the new lightweight oxygen tanks. D) realize that a yellow color indicates new tanks that hold more oxygen.
The ____________________ mechanism is less effective with aging.
Fill in the blank(s) with the appropriate word(s).
Meniere's disease is a disorder of the eyes
Indicate whether the statement is true or false