QuestionSBA
QuestionChoice
This is incorrect. Na+/K+ ATPase is responsible for maintaining electrochemical gradients that allow monosaccharide absorption but does not directly transport monosaccharides.
10026009
e
Na+/K+ ATPase
QuestionChoice
This is incorrect, GLUT-5 is responsible for the absorption of fructose from the lumen of the digestive tract into epithelial cells.
10026006
b
GLUT-5
QuestionChoice
This is correct. GLUT-2 is the protein responsible for transporting monosaccharides from the epithelial cells of the digestive tract into the interstitial space.
10026005
a
GLUT-2
QuestionChoice
This is incorrect. Aquaporin-1 (AQP-1) is a water channel found in the kidney.
10026008
d
AQP1
QuestionChoice
This is incorrect, SGLT-1 is responsible for the absorption of glucose and galactose from the lumen of the digestive tract into epithelial cells
10026007
c
SGLT-1
Concept
Chapter
2693
5872
Carbohydrate absorption
Topic
149
Gastro-intestinal physiology
17599
A 30 year old male presents to his General Practitioner with a 10-week history of diarrhoea, 4kg weight loss and frequent episodes of loose, foul-smelling stools. The diarrhoea is worse after he has just eaten a meal containing lots of carbohydrates. He reports feeling weak and fatigued despite maintaining a regular diet. Stool samples have shown high levels of unabsorbed sugars.

Which of the following transport proteins is responsible for the absorption of monosaccharides from the enterocyte into the interstitial space?
a