Where would you expect to find CNS damage in a person who displays inability to control eye movements, facial expressions, tongue position, and some of the superficial neck and upper back muscles?
A) corticospinal tracts
B) corticobulbar tracts
C) vestibulospinal tracts
D) rubrospinal tracts
E) None of the answers are correct.
B) corticobulbar tracts
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Which of the following is true regarding the production of intestinal juice?
A) Most of the fluid is actively transported into the lumen. B) The pancreas is the source for most of the intestinal juice. C) Intestinal juice is produced following activation by motilin. D) Local reflexes and parasympathetic stimulation increase the production of intestinal juice. E) The cephalic phase of gastric secretion produces intestinal juice.
Which of the following statements is incorrect or false?
A) Class I MHC molecules are built into the plasma membranes of all body cells. B) Class II MHC molecules appear only on the surface of antigen-presenting cells, thymic cells, and T cells that have been activated by exposure to antigens. C) Haptens lack immunogenicity unless attached to protein carriers. D) MHC proteins are the cell's identity markers.
The Roman numeral V indicates the ________ nerve
A) trigeminal B) trochlear C) abduces D) oculomotor E) vestibulocochlear
The piriformis muscle inserts on the greater trochanter of the femur
Indicate whether this statement is true or false.