What are the major roles of the villi and microvilli in the small intestine?
a. The microvilli absorb nutrients into the lymphatic system
b. The microvilli trap nutrients so the villi cells can absorb them.
c. The villi block toxins from absorption into the blood.
d. The villi complete the breakdown of foods into nutrients.
e. The microvilli facilitate digestion of a greater percentage of deficient nutrients.
b
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Which best describes an advantage of a percutaneous endoscopic gastrostomy (PEG) tube?
a. The tube can be inserted at the bedside b. The tube is used for short-term feedings c. It allows for bolus feedings d. There is little risk of infection e. The tube can be used for IV fluids
What term best describes a failure of the body's cells to respond to secretion of insulin?
a. Central obesity b. Insulin resistance c. Thyroid insufficiency d. Hypothalamic impedance
Which individual could safely consume raw seafood?
a. Sam, a painter who has liver disease b. Sasha, a homemaker who has diabetes c. Mark, a salesman with HIV infection d. Ted, an accountant with occasional back pain e. Xavier, a 2-year-old healthy toddler