Explain why carbohydrates are preferred over proteins and lipids as an energy source
A) Carbohydrates yield more energy than proteins and lipids.
B) Carbohydrates travel easier through the blood than proteins and lipids.
C) Carbohydrates can be stored and proteins and lipids cannot.
D) Proteins and lipids are rarer in food than carbohydrates.
E) Proteins and lipids are more important as structural components of cells and tissues.
Answer: E
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Intercalated disks are found in:
a. smooth muscle b. skeletal muscle c. cardiac muscle d. voluntary muscle
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A) Excess albumen transport protein production would decrease blood pressure.
B) Excess red cell production would cause a blood pressure increase.
C) An increase in cardiac output corresponds to a decrease in blood pressure, due to the increased delivery.
D) Systemic vasodilation would increase blood pressure, due to diversion of blood to essential areas.