_____ impairs absorption of thiamin from the digestive tract and hastens its excretion in the urine
1.Milk
2.Alcohol
3.Salt
4.Spinach
5.Whole wheat
2
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Which of the following best describes the normal pH of the stomach?
a. Very acidic b. Slightly acidic c. Neutral d. Slightly alkaline
Which of the following statements is NOT true regarding theories of aging?
a. Free radical damage is known to promote chronic conditions including heart disease, cataracts, and some cancers. b. Scientists postulate that if they could shorten the telomeres of chromosomes more slowly than happens naturally, cell senescence could be delayed. c. Protein cross-links form because of exposure to high glucose levels, resulting in adverse changes in tissue and organ function. d. Cells from long-lived species (such as humans) have higher Hayflick limits than cells from shorter-lived species (such as mice or rats).
According to USDA food-consumption data, children's soft-drink consumption increases with age while milk consumption decreases
a. True b. False Indicate whether the statement is true or false
As food moves through the digestive tract it spends the most time in the: a. esophagus because of the slow movement of peristalsis on chewed food. b. stomach because of the extensive breakdown of carbohydrates and fats. c. small intestine because of the time it takes to absorb through the villi
d. large intestine because of the need to partially digest fiber and absorb water. e. large intestine because of the extra villi on colon cells.