Often referred to as the "film" of the camera, the ________ lines the back of the eye and is composed of sensory tissue that converts light rays into impulses
A) pupil
B) iris
C) optic nerve
D) retina
D
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It is always safer to quote with proper citation than to paraphrase with proper citation
Indicate whether the statement is true or false
An awake but confused patient experiencing an allergic reaction begins to exhibit stridorous respirations. The EMT knows that the underlying condition responsible for this presentation is:
A) Constriction of the small airways B) Spasm of the lower airway C) Swelling to the upper airway D) Loss of the gag reflex
Skeletal muscle produces body movement as well as maintains ________
A) vasoconstriction B) posture C) vasodilation D) strength
The heart sends returned blood to the lungs, where oxygen is exhaled and carbon dioxide is inhaled.
Answer the following statement true (T) or false (F)