Which hormone promotes the flow of bile and of pancreatic juice containing enzymes?
a. enterogastrone
b. gastrin
c. cholecystokinin
d. secretin
Answer: c. cholecystokinin
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Which of the following transport processes moves substances through cells using endocytosis on one side of a cell and exocytosis on the opposite side of the cell?
a) phagocytosis b) secondary active transport c) transcytosis d) osmosis e) simple diffusion
The primary motor cortex
a. is located in the parietal lobes b. in the left cerebral hemisphere controls skeletal muscles on the right side of the body c. is the only region of the brain involved with motor control d. receives motor input from the spinal cord e. exhibits all of the above
Unmyelinated axons within nerves may have which of these associated with them?
A) Schwann cells B) nodes of Ranvier C) oligodendrocytes D) both B and C
What structure of a sarcomere contains proteins that connect and stabilize thin filaments?
A) Z line B) H band C) I band D) A band