The brain chemical neuropeptide Y is known to specifically enhance the craving for ____
a. fat
b. salt
c. protein
d. carbohydrate
e. water
ANS: D
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A behavioral component of our lives over which we may or may not have control (such as diet and exercise) is termed a __________
Fill in the blank(s) with correct word
Unsaturated fatty acids tend to be liquid at room temperature, while saturated fatty acids are usually solid at room temperature. The explanation for this difference is that
A. saturated fatty acids have a rigid structure that allows them to pack densely, making them solid at room temperature. B. unsaturated fatty acids are usually short-chain fatty acids and therefore are usually oils. C. double bonds are stabilized at room temperature, resulting in oil formation. D. double bonds are destabilized at room temperature, resulting in more random movement of fatty acids in oils.
All of the following are true of stage 3 liver disease EXCEPT
A. it is also known as cirrhosis. B. it can occur after only a few days of heavy drinking. C. liver cells die and scar tissue forms. D. the liver becomes unable to filter toxins and waste products.
Oxygen saturation measures the amount of oxygen carried by the:
a. red blood cells b. bronchioles c. alveoli d. capillaries e. glomerulus