Each of the following muscles acts to extend the thigh and flex the leg, EXCEPT:
A) semitendinosus. B) vastus lateralis.
C) semimembranosus. D) biceps femoris.
Answer: B
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Each receptor has a characteristic sensitivity, such as a touch receptor that is very sensitive to pressure but relatively insensitive to chemical stimuli. This trait is called ________.
Fill in the blank(s) with the appropriate word(s).
If a substance has a molecular weight greater than 10,000 daltons and it appears in the urine, one can conclude that this substance is:
A. filtered, secreted and reabsorbed B. not filtered or secreted C. not filtered, but is secreted. D. filtered and reabsorbed
The anterior horns of the spinal cord contain mainly
A) sensory nuclei. B) somatic motor nuclei. C) autonomic motor nuclei. D) nerve tracts. E) sympathetic nuclei.
During swallowing, all of the following occur except
A) solids are prevented from entering the respiratory tract. B) the larynx is elevated. C) the epiglottis folds over the glottis. D) the uvula rises to block the oropharynx. E) liquids are prevented from entering the respiratory tract.