Blood glucose concentration rises after a meal and stimulates the pancreas to release the hormone insulin
Insulin travels in the blood and stimulates the uptake of glucose by body cells from the bloodstream, thus reducing blood glucose concentration. This is an example of ________.
A) set point adjustment
B) dynamic equilibrium
C) integration control
D) negative feedback
E) positive feedback
D
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What are the first vessels to branch off of the base of the ascending aorta and penetrate the myocardium of the heart wall?
A) None of the listed responses is correct. B) anterior interventricular artery C) cardiac veins D) coronary arteries
The respiratory rate times the tidal volume corrected for dead space is the
A) alveolar ventilation rate. B) vital capacity. C) respiratory minute volume. D) external respiration rate. E) pulmonary ventilation rate.
During the excitement phase of the female sexual response, the uterus shifts to a more ________ position.
A. anteverted B. erect
Which cells are nonfunctional in normal daylight?
A. Cones B. Bipolar cells C. Amacrine cells D. Mitral cells E. Rods