The major stimulus for the secretion of HCl during the cephalic phase of gastric regulation is ________.
A. release of histamine by ECL cells
B. vagal stimulation of chief cells
C. the hypothalamus
D. vagal stimulation of parietal cells
Answer: A
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All of the following are correct steps in focusing on a specimen under the microscope EXCEPT which statement?
A) When you are ready to change magnification, do not move the adjustment knobs before changing the objective lens. B) Once the image is clear, use the fine adjustment knob to focus on small details. C) Start with a high-power objective lens when focusing. D) If two images are visible, slowly move the body tubes closer together until you see, with both eyes open, a single circular field of view.
The digestion of complex carbohydrates into monosaccharides is an example of ________.
A. absorption B. catabolism C. anabolism D. synthesis
Distention of the stomach causes thirst to
A. increase. B. decrease.
The sella turcica is part of the ________ bone and houses the ________ gland
A) ethmoid; thymus B) sphenoid; pituitary C) ethmoid; pituitary D) sphenoid; thymuss