The control center of a homeostatic mechanism
A. is a change in the external environment.
B. brings about change to the internal environment.
C. integrates sensory input and signals for change as needed.
D. detects a change in a variable that is being regulated.
Answer: C
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A young child has been diagnosed with a recessive hereditary disease that results in destruction of the lateral geniculate body. The result of this would be
A) inability to change the focus with your lens. B) excessive light bouncing around within the posterior portion of the eyeball. C) total blindness. D) no production of rhodopsin. E) partial loss of vision.
One of the metabolic functions of the liver is transamination, which is conversion of
A. NH2 to urea. B. one amino acid form to another. C. amino acid into carbohydrate. D. acetyl CoA to a ketone body.
The loss of excitatory stimulation of skeletal muscles by higher brain centers is called ______ paralysis
Fill in the blank(s) with correct word
The three major subdivisions of extracellular fluid found in the body are
A) blood, plasma, and lymph. B) blood, interstitial fluid, and cytosol. C) blood, lymph, and cytosol. D) plasma, lymph, and interstitial fluid. E) plasma, interstitial fluid, and cytosol.