Which of the following is an example of how the cardiovascular system works to counteract the effects of osteoporosis?
A. Improve the absorption of calcium and vitamin D in the diet.
B. Reduce pain following injury.
C. Calcitonin is used to treat osteoporosis.
D. Increase exercise to increase muscle stress on bone.
E. Blood clotting starts repair process.
Answer: E
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Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A. Smooth muscle contracts more slowly but relaxes more rapidly. B. Smooth muscle contracts more rapidly but relaxes more slowly. C. Smooth muscle contracts and relaxes more slowly. D. Smooth muscle consumes more ATP to maintain a given level of muscle tension. E. Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction.
During the regeneration process of the skin after an injury, what is the combination of blood clot, fibroblasts, and an extensive capillary network called?
A) keloid B) granulation tissue C) scar tissue D) scab E) sebum
Answer the following statements true (T) or false (F)
1. The buffer system works because weak acids dissociate much less than do strong acids. 2. The end products of both aerobic and anaerobic catabolism of glucose can cause a drop in the blood pH. 3. Carbonic acid is a “fixed acid.” 4. Blood in the pulmonary artery has a higher pH than the blood in the pulmonary vein. 5. The kidneys can produce urine with a pH less than 5.
Which branch of the abdominal aorta supplies the stomach?
A. The celiac trunk B. Suprarenal C. The superior mesenteric D. The inferior mesenteric E. The inferior phrenic