What type of fracture causes a crack in the bone?
A. Hairline
B. Compression
C. Depressed
D. Greenstick
Answer: A
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Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. How do you suppose these drugs work?
A. They prevent calcium from entering the sarcoplasmic reticulum of smooth muscle. B. They stimulate the calcium pump in smooth muscle, thus removing calcium from the calmodulin. C. They prevent calcium from exiting the sarcoplasmic reticulum in skeletal muscle. D. They prevent calcium from entering cardiac muscle, thus slowing down the heart rate. E. They prevent calcium from entering smooth muscle, thus allowing the muscle to relax.
. What conditions would warrant removal of the spleen (splenectomy) or removal of the tonsils (tonsillectomy), and what prognosis or complications (if any) might result from these procedures?
What will be an ideal response?
How do the muscles of the mandible, tongue, and pharynx work together in chewing and swallowing food?
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. The large intestine assists in the regulation of sodium in the body. 2. The water-pushing forces in the capillary are highest at the venous end of the capillary. 3. In newborns, water may account for as much as 80% of the total body weight. 4. One reason the amount of water per pound increases in the elderly is that the muscle mass decreases and body fat increases. 5. With slight variation, the amount of extracellular fluid equals the amount of intracellular fluid.