What effect do catecholamines have on metabolic rate?
a. Increase metabolic rate
b. No effect on metabolic rate
c. Depends on the type of catecholamine
d. Decrease metabolic rate
Answer: a. Increase metabolic rate
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Which of the following statements best describes mean arterial pressure (MAP)?
A. It represents the amount of end diastolic volume that is ejected from the heart by contraction of the left ventricle. B. It represents the force exerted by the blood on the walls of blood vessels during the contraction of the ventricles. C. It represents the resistance against which the ventricles must contract in order to eject blood into systemic circulation. D. It represents the depolarization of the AV node that is carried into the ventricles by the atrioventricular bundle. E. It represents the volume of blood ejected with each contraction of the left ventricle.
What is the life expectancy of black males and females in the United States?
a. 72 (males), 78 years (females) b. 78 (males), 85 years (females) c. 81 (males), 86 years (females) d. 85 (males), 89 years (females) e. 90 (males), 93 years (females)
Pregnant women should be encouraged to have an adequate carbohydrate intake because carbohydrates:
Which of the following frozen desserts feels harder and colder on the tongue than regular ice cream because they contain more sugar and less fat?
A. low-fat ice cream B. sherbet C. water ice D. frozen desserts prepared with monosaccharides E. All of these are correct.