"Critical period":
A. is the transition between the awake and sleep states
B. is the transition between short-term and long-term memory
C. is when the development of normal neural connections requires sensory experience
D. can be demonstrated when neural connections are modified by amputations
E. occurs only in mature individuals
ANS: C
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The structure associated with pheromonal reception is
a. the nasal organ b. the olfactory mucosa c. papillae d. taste buds e. vomeronasal organ
What is the function of lymphatic vessels?
A) The function of lymphatic vessels is to transport blood throughout peripheral tissues of the body. B) The function of lymphatic vessels is to provide a site for lymphocyte maturation. C) The function of lymphatic vessels is to transport lymph from peripheral tissues to the venous system. D) The function of lymphatic vessels is to detect pathogens before they reach the vital organs of the trunk and to help filter the lymph. E) The function of lymphatic vessels is to produce hormones that help the development of functional T cells.
In adults, yellow marrow is located ________.
in the medullary cavity of long bones primarily in flat bones in the central canals of osteons in the epiphyseal plates of long bones
If a red blood cell is placed in a hypotonic solution,
A. the cell will shrink. B. only permeable substances will leave; but concentrations in the cell do not change. C. the cell will swell and may eventually burst. D. the cell will remain the same size and shape.