What best describes the directional term proximal?
A) toward the head
B) toward the front
C) closer to the point of origin
Answer: C) closer to the point of origin
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Which of these would increase the tension generated in a skeletal muscle?
A. Stretching the muscle to very long lengths B. Switching off fast-glycolytic motor units and activating an equal number of slow-oxidative motor units C. Increasing the frequency of firing in alpha motor neurons innervating the muscle D. Resting the muscle for several weeks E. Increasing the amplitude of action potentials in the alpha motor neurons that innervate the muscle
The functional units of DNA that contain the instructions for making one or more proteins are
A) chromosomes. B) genes. C) ribosomes. D) codons. E) RNA.
The ________ vein ascends along the radial side of the forearm
A) cephalic B) basilic C) brachial D) median cubital E) ulnar
Which of the hormones below is responsible for facultative water reabsorption?
A) thyroxine B) atrial natriuretic peptide C) ADH D) aldosterone