When a person rises quickly from a sitting position, all of the following reactions will occur except
A) the carotid baroreceptors become less active.
B) venous return is decreased.
C) reflex vasoconstriction of peripheral blood vessels occurs.
D) heart rate is reflexively elevated.
E) cardiac output will decrease.
E
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Which of the following statements is true about learning?
A) It refers to the retention and retrieval of stored information. B) It occurs only in vertebrates. C) It normally represents a permanent change. D) It occurs as the result of nervous system plasticity.
An advantage to having reticular connective tissue present in lymph nodes would be that:
A. the loose organization of reticular connective tissue provides niches for macrophages and lymphocytes. B. lymph filters through the nodes and is exposed to lymphocytes and macrophages. C. lymphocytes cycle to various areas of the body and back to lymph nodes. D. all of the above take place.
Which of the following is the outermost layer of the GI tract that lines the abdominopelvic cavity?
A) mucosa B) submucosa C) visceral peritoneum D) muscularis externa E) parietal peritoneum
The figure illustrates the joints and bones of the rib cage. What does "E" represent?
A. costochondral joint B. sternum C. manubrium D. sternal symphyses E. sternocostal synchrondrosis