Which of the following statements is true?
A. Heartburn often results when the gastroesophageal sphincter fails to close properly.
B. Hydrochloric acid (HCl) begins the partial digestion of fats in the small intestine.
C. Cystic fibrosis is an infectious disease that causes the muscles that control swallowing to malfunction.
D. A thin layer of chyme protects the lining of the digestive tract from being broken down by enzymes.
Answer: A
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Carmen, age 34, has had hypertension since she was a teenager, as do many members of her immediate family. At a visit to the doctor one year ago after her twin brother had suffered an acute episode of hypertension requiring hospitalization, Carmen decided to seriously attempt to reduce her sodium and salt intakes. She has successfully mastered a low-sodium diet by: eliminating the use of a salt shaker; ordering fresh, no-salt-added foods in restaurants; avoiding salty condiments; avoiding ready-to-eat foods; and using herbs and salt-free seasonings. She has recently begun reading labels and following portions of the DASH diet. Her doctor tells her to expect a further reduction in her blood pressure if she can master the DASH diet. In order to follow the DASH Diet, Carmen should limit:
a) red meat b) fatty fish c) foods high in potassium d) lactose-containing beverages e) starchy vegetables
Most lipid digestion products are transported to the mucosal lining of the small intestine in spherical compounds called
A) chylomicrons. B) monoglycerides. C) high-density lipoproteins (HDLs). D) micelles.
The main objective of Healthy People 2020 is to help Americans ________.
A. increase intake of fruits, vegetables, and whole grains B. by promoting intake of minerals among those age 2 years and older C. attain high-quality, longer lives free from preventable death and disease D. lose weight and increase vegetable intake
To optimize glycogen replenishment after exercise, carbohydrate and insulin are needed
Indicate whether the statement is true or false