Which of the following is not a method of gradation of skeletal muscle contraction?
a. twitch summation
b. motor unit recruitment
c. stimulating variable portions of each motor unit
d. varying the number of motor units stimulated
e. varying the frequency at which a motor unit is stimulated
C
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The sense of proprioception passes along the ________ pathway
A) rubriocerebellar B) corticospinal C) spinocerebellar D) decussation pathways E) ganglion
Which of the following characterizes Type I but not Type II diabetes mellitus?
a. hyperglycemia. b. lack of insulin. c. polyuria and polydipsia. d. can usually be successfully managed by dietary control and weight reduction without the necessity of insulin injections. e. hypoglycemia.
Constriction of the efferent arteriole by angiotensin II lowers blood pressure in the ________________ capillaries and enhances the reabsorption of sodium and water.
Fill in the blank(s) with the appropriate word(s).
The hypoglossal canal is a feature of which bone?
A. Sphenoid B. Temporal C. Occipital D. Mandible E. 1st cervical vertebra