Under normal circumstances, both divisions of the autonomic nervous system are active simultaneously.
Answer the following statement true (T) or false (F)
True
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Michael is 26 years old. He becomes dehydrated after a long run if he has not drunk enough. His infant son Sean, however, becomes dehydrated fairly frequently. This difference in susceptibility to dehydration is because
A. the infant thirst mechanism is underdeveloped. B. adults drink more liquid. C. infants grow rapidly. D. infant kidneys are less able to conserve water.
Following an optimal inspiration, the amount of air that can be forced from the lungs in a single exhalation is called the:
A) functional reserve capacity. B) expiratory reserve volume. C) residual expiratory volume. D) fraction of inspired oxygen.
Colon cancer is the #3 cancer killer. Whether you are a man or a woman, current guidelines urge you to have a colonoscopy screening when you reach age 50 because
A) colon cancer is the #3 cancer killer, behind breast and lung cancer for women, so you could die if you don't get screened. B) colon cancer is the #3 cancer killer, behind prostate and lung cancer for men, so you could die if you don't get screened. C) colon cancer is treatable with surgery if caught in time with a colonoscopy, but you could die if you don't get screened. D) early colon cancer often has no symptoms, which is why screening is so important, so you could die if you don't get screened. E) all of the answers are correct, and you could die if you don't have a screening colonoscopy when you reach age 50.
________ is a growth factor that stimulates both the production of megakaryocytes in the bone marrow and the subsequent formation of platelets.
Fill in the blank(s) with the appropriate word(s).