The upper motor neurons that control skeletal muscles begin with a neurosoma in the ________.
A. motor association cortex of the cerebrum
B. anterior horn of the spinal cord
C. precentral gyrus of the cerebrum
D. posterior horn of the spinal cord
E. postcentral gyrus of the cerebrum
Answer: C
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Which of the following is NOT a cardinal sign of diabetes mellitus?
A) polycythemia B) polyuria C) polydipsia D) polyphagia
The addition of stimuli arriving in rapid succession to produce an action potential is called ________.
Fill in the blank(s) with the appropriate word(s).
Arteries are sometimes called the ________ vessels of the cardiovascular system because they have strong-resilient tissue structure.
A. resistance B. compliance C. hydrodynamic D. fenestrated E. capacitance
Which of the following statements is true?
A. Most filtrate (99%) is eliminated as urine. B. Normal filtrate contains a large amount of protein. C. Reabsorption of water in the filtrate may be hormonally controlled. D. Sodium ions are secreted into the filtrate of the proximal convoluted tubule. E. Hormones play a minor role in fluid homeostasis.