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Set 8 5 Digestion And Absorption Of The Macronutrients

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Question 1

(Multiple Choice)

Free
Uptake of dipeptides across the brush border membrane

A) Does not occur
B) Occurs through a secondary active transport mechanism by using a H+ cotransporter
C) Uses a facilitated diffusion mechanism
D) Requires multiple carrier types to recognize the diversity of dipeptide forms
E) Occurs only in the ileum

Answer

Question 2

(Multiple Choice)

Free
The greatest increase in surface area for absorption is due to

A) Folds of Kerckring
B) Villus
C) Central lacteal
D) Microvilli
E) Basolateral mem brane

Answer

Question 3

(Multiple Choice)

Free
In the intestine, fructose is

A) A product of sucrose digestion
B) Actively transported across the brush border membrane
C) Taken up by active transport mechanism
D) Transported across the brush border by a Na+-cotransport mechanism
E) Both A and C are correct

Answer