Which of the following causes an immediate increase in the rates of glandular secretion and peristaltic activity in all segments of the small intestine?
a. gastroileal reflex
b. the presence of intestinal juice
c. enterogastric reflex
d. gastroenteric reflex
Ans: d. gastroenteric reflex
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Motor pathways are formed from a series of connections. Which is not part of the series?
A. Motor neurons B. Hypothalamus C. Cerebellum D. Descending projection tracts E. Cerebral nuclei
Why does a skeletal muscle fiber have more than one nucleus?
A) During development, the plasmalemmas of newly formed muscle fibers disintegrate, making many muscle cells into one. B) During development, groups of embryonic cells fuse together to form a single muscle fiber. C) During development, the nucleus of each myoblast replicates several times. D) During muscular activity, parts of each muscle fiber break down, and the remaining parts, including their nuclei, fuse into new combination fibers. E) All of the answers are correct.
What's the storage form of excess circulating amino acids not immediately needed?
a. protein b. polypeptides c. triglycerides d. glycogen e. enzymes
Reflexes
A. are integrated in the spinal cord, but not the brain. B. are voluntary conscious responses to a stimulus. C. are not homeostatic. D. are homeostatic. E. are integrated in the brain, but not the spinal cord.