What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?
A. conjunctiva
B. choroid
C. retina
D. sclera
E. pupil
D
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If a lever has a fulcrum at one end, has a tendon exerting an effort 5 cm distal to the fulcrum, and acts against a resistance another 6 cm distal to the effort, what is its mechanical advantage?
A. 0.45 B. 0.54 C. 0.83 D. 2.2 E. 11.0
Paired, lateral triangular extensions of the spinal pia mater that extend to the dura to suspend and anchor the spinal cord are known as _________ ligaments
Fill in the blank with correct word.
The eye structure that transmits and refracts incoming light is the
A. ciliary body. B. conjunctiva. C. cornea. D. pupil. E. iris.
Energy for contraction of myocardial cells comes primarily from
A. aerobic respiration in the mitochondria. B. anaerobic respiration in the cytosol. C. glycolysis in the cytosol. D. ATP that is stored while the heart is not contracting. E. creatine phosphate.