Which of the following statements is correct for the deposition of fat in the human body?
A. When body fat is lost, fat cells become empty and disintegrate
B. Hypertrophy is an increase in the number of fat cells
C. Individuals without a genetic predisposition to become obese will not develop this health problem
D. Existing fat cells have a maximal size potential, which when exceeded may stimulate the formation of new fat cells
Answer: D
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You experience vomiting, intestinal cramps, and bloody diarrhea a day after eating a hamburger at a friend's outdoor barbecue. What type of illness should you suspect?
a. stomach flu b. hepatitis c. E. coli infection d. gastroenteritis e. Clostridium botulinum intoxication
A form of food sterilization that replaces the oxygen in a container of food with inert gas is called
A. aseptic packaging. B. high-pressure processing. C. pasteurization. D. modified atmospheric packaging.
Which of the following is a function of sphincter muscles?
a. Control peristalsis b. Grind large food particles c. Secrete digestive juices into the GI tract d. Control the passage of food through the GI tract
After consuming a slice a pizza, carbohydrate digestion will begin in the mouth, and then continue in the small intestine. Why does carbohydrate digestion cease in the stomach??
A) ?Salivary carbohydrases do not function in an acidic environment. B) ?Gastric juices digest fats only, not carbohydrates or protein. C) ?Salivary carbohydrases are activated from zymogens only in the intestine. D) ?Carbohydrates are digested only by mastication, not by enzymatic hydrolysis.