Lactose intolerance is caused by

A) an insufficient production of the enzyme lactase.
B) too much milk and dairy products in the diet.
C) increased production of the enzyme lactose.
D) exposure to pasteurized milk when young.


A

Nutritional Science

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Answer the following statement true (T) or false (F)

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Almost all (99%) of the calcium in the body is used to

a. provide energy for cells. b. provide rigidity for the bones and teeth. c. regulate the transmission of nerve impulses. d. maintain the blood level of calcium within very narrow limits. e. maintain muscle health and function.

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How will this sports drink help an individual who takes a 45-minute walk?

The glucose in the beverage will replace the glucose that has been depleted. The cholesterol in the beverage will replace the cholesterol that has been depleted. Water in the beverage will replace the fluid that has been lost as sweat during the walk. Iron will enhance the production of insulin. Vitamin C will aid recovery from postexercise fatigue.

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What hormone stimulates contraction of the uterus during childbirth and promotes ejection of milk from mammary glands during breastfeeding?

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