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Author Question: What can be directly absorbed from the GI tract into the bloodstream? (Select all that apply.) a. ... (Read 61 times)

anshika

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on: Jul 24, 2018
What can be directly absorbed from the GI tract into the bloodstream? (Select all that apply.)
 
  a. Glucose
  b. Sucrose
  c. Fructose
  d. Galactose
  e. Lactose
  f. Maltose

Question 2

A patient is being discharged on psyllium (Metamucil). Which explanation(s) by the nurse would be accurate regarding fiber intake? (Select all that apply.)
 
  a. It adds bulk to fecal content.
  b. It enhances gastric emptying.
  c. It decreases blood cholesterol concentration.
  d. It decreases postprandial blood glucose concentration.
  e. It stimulates the appetite.


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Edwyer

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: A, C, D
Monosaccharides, such as glucose (also known as dextrose), fructose, and galactose, are the only sugars that can be absorbed directly from the gastrointestinal tract into the blood. Disaccharides, such as sucrose (common table sugar), lactose, and maltose, are the most common sugars in foods but must be metabolized to monosaccharides before being absorbed into the bloodstream.

Answer to Question 2

ANS: A, C, D
Functional fibers such as psyllium add bulk to fecal contents. Fibers can reduce the absorption of dietary fat and cholesterol as well as enterohepatic recirculation of cholesterol and bile acids. This may reduce blood cholesterol concentration. In addition, functional fibers delay gastric emptying, which reduces postprandial blood concentration, potentially preventing excessive insulin secretion and insulin sensitivity. Fibers delay gastric emptying. Functional fibers assist with weight control because they provide a sense of fullness and satiety.


anshika

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Reply 2 on: Jul 24, 2018
Wow, this really help

ashely1112

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Reply 3 on: Yesterday
Excellent

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