Based on the motor homunculus, which of the following body regions has the fewest number of motor units involved?
A) tongue
B) face
C) hands
D) back trunk
D
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The portion of the sternum first seen on CT axial images arranged in a descending order is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Athletes usually experience muscle fatigue less quickly than nonathletes because they
A. convert glucose to lactic acid. B. make more efficient use of ATP. C. produce less lactic acid. D. tolerate high concentrations of carbon dioxide.
Loss of equilibrium and motor coordination would most likely be related to a lesion in which structure?
A. Limbic system B. Pons C. Pituitary gland D. Medulla oblongata E. Cerebellum
The meninges include
A) two layers of transverse collagen fibers. B) pia mater, dura mater, and venous sinuses from the outside inward. C) different layers for the brain and the spinal cord. D) pia mater, arachnoid mater, and dura mater from the inside outward. E) None of the answers are correct.