Question 1

The following statement about calcium absorption from small intestine are true except:

Accepted Answer

A) It occurs by active transport. 
B) It requires vit. D and parathormone. 
C) It occours by passive diffusion from upper small intestine. 
D) It is decreased by excess phosphate and oxalate in food. 
A) It occurs by active transport. 
B) It requires vit. D and parathormone. 
C) It occours by passive diffusion from upper small intestine. 
D) It is decreased by excess phosphate and oxalate in food. C

Question 2

The major site of absorption of VIT B12 is:

Accepted Answer

A) Duodenum. 
B) Jujenum. 
C) Colon. 
D) Ileum. 
A) Duodenum. 
B) Jujenum. 
C) Colon. 
D) Ileum. D

Question 3

Whole proteins may be absorped from small intestine by :

Accepted Answer

A) Pinocytsis. 
B) Na+dependant 2ry active transport. 
C) Facilitated diffusion. 
D) none 
A) Pinocytsis. 
B) Na+dependant 2ry active transport. 
C) Facilitated diffusion. 
D) none A

Question 4

Migration motor complex is characterized by the following except:

Accepted Answer

A) It starts in the stomach and spread to terminal ilium. 
B) Occurs every1-1.5h. 
C) It helps digestion of food 
D) It prevents duodeno-gastric reflux. 
A) It starts in the stomach and spread to terminal ilium. 
B) Occurs every1-1.5h. 
C) It helps digestion of food 
D) It prevents duodeno-gastric reflux.

Question 5

All of the followings are absorped by Na dependent 2ry active transport except:

Accepted Answer

A) Glucose and galactose. 
B) Amino acids. 
C) VitaminC 
D) VitaminB.12 
A) Glucose and galactose. 
B) Amino acids. 
C) VitaminC 
D) VitaminB.12

Question 6

Peristaltic rush are characterized by the following except:

Accepted Answer

A) They are strong peristaltic contraction. 
B) They occur normally. 
C) they occur when there is intense irritation or distention of the small intestine. 
D) They are intiated by reflexes involving the intrinsic and extrinsic nerves. 
A) They are strong peristaltic contraction. 
B) They occur normally. 
C) they occur when there is intense irritation or distention of the small intestine. 
D) They are intiated by reflexes involving the intrinsic and extrinsic nerves.

Question 7

VitaminC is absorped from small intestine by:

Accepted Answer

A) Passive diffusion. 
B) Na+ dependant 2ry active transport. 
C) 1ry active transport. 
D) none 
A) Passive diffusion. 
B) Na+ dependant 2ry active transport. 
C) 1ry active transport. 
D) none

Question 8

Vitamin D is absorped from small intestine as the absorption of :

Accepted Answer

A) Water soluble vitamins. 
B) Glycerol. 
C) Cholesterol. 
D) Short chain fatty acids 
A) Water soluble vitamins. 
B) Glycerol. 
C) Cholesterol. 
D) Short chain fatty acids

Question 9

Absorption of fat soluble vitamins require the following:

Accepted Answer

A) Bile. 
B) Bile and chymotrypsine. 
C) Bile and pancreatic amylase. 
D) None of the above. 
A) Bile. 
B) Bile and chymotrypsine. 
C) Bile and pancreatic amylase. 
D) None of the above.

Question 10

Pentose is absorped from small intestine by:

Accepted Answer

A) Simple diffusion. 
B) Facilitated diffusion. 
C) Na+ dependant 2ry active transport. 
D) none 
A) Simple diffusion. 
B) Facilitated diffusion. 
C) Na+ dependant 2ry active transport. 
D) none

Question 11

Peristaltic waves in the small intestine are characterized by the following statement except:

Accepted Answer

A) They occur in response to distention of the wall. 
B) Can be abolished by local application of coccaine 
C) They are controlled primarily by extrinsic innervation 
D) none 
A) They occur in response to distention of the wall. 
B) Can be abolished by local application of coccaine 
C) They are controlled primarily by extrinsic innervation 
D) none

Question 12

Choose a single incorrect answer about absorption from small intestine:

Accepted Answer

A) Gastric HCL help iron absorption 
B) K+ions are absorped passively. 
C) HCO3- ions are absorbed passively. 
D) none 
A) Gastric HCL help iron absorption 
B) K+ions are absorped passively. 
C) HCO3- ions are absorbed passively. 
D) none

Question 13

The following are true statement about iron absorption from small intestine except:

Accepted Answer

A) It is actively absorped from duodenum and jejunum. 
B) Its absorption is decreased by tannin. 
C) Its absorption is helped by vitamin C. 
D) It is transported from the brush borderas Fe+3 or heme. 
A) It is actively absorped from duodenum and jejunum. 
B) Its absorption is decreased by tannin. 
C) Its absorption is helped by vitamin C. 
D) It is transported from the brush borderas Fe+3 or heme.

Question 14

The absorptive surface area of small intestineis over:

Accepted Answer

A) 2.8m 
B) 250m2 
C) 7m 
D) 50m2 
A) 2.8m 
B) 250m2 
C) 7m 
D) 50m2

Question 15

Fructose is absorped from small intestine by :

Accepted Answer

A) Simple diffusion. 
B) Facilitated diffusion. 
C) Na+ dependent 2ry active transport. 
D) none 
A) Simple diffusion. 
B) Facilitated diffusion. 
C) Na+ dependent 2ry active transport. 
D) none

Question 16

The following are true statement about fat absorption from small intestine except:

Accepted Answer

A) It is helped by bile salts. 
B) Glycerol and short chain FAs are absorped passively. 
C) Deficiency of fat absorption leads to poor absorption of VIT.B complex. 
D) Chylomicrons are extruded into Lacteal laterals by exocytosis. 
A) It is helped by bile salts. 
B) Glycerol and short chain FAs are absorped passively. 
C) Deficiency of fat absorption leads to poor absorption of VIT.B complex. 
D) Chylomicrons are extruded into Lacteal laterals by exocytosis.

Question 17

Absorption of Na ions from small intestine occur by the following except:

Accepted Answer

A) Special Na channel. 
B) Cotransported with Cl. 
C) Cotrannsported with glucose and amino acids. 
D) None of the above. 
A) Special Na channel. 
B) Cotransported with Cl. 
C) Cotrannsported with glucose and amino acids. 
D) None of the above.

Question 18

Peristaltic contractions of small intestine are characterized by all of the followings except:

Accepted Answer

A) They are myogenic 
B) They are due to local axon reflex 
C) They are stimulated by gastro-enteric reflex 
D) none 
A) They are myogenic 
B) They are due to local axon reflex 
C) They are stimulated by gastro-enteric reflex 
D) none

Question 19

Absorption of Cl- ions from small intestine occur by the following ways except:

Accepted Answer

A) 2ry active transport. 
B) 1 ry active transport. 
C) Passive diffusionparacellularly. 
D) none 
A) 2ry active transport. 
B) 1 ry active transport. 
C) Passive diffusionparacellularly. 
D) none

Question 20

The following are true statement about absorption from small intestine except:

Accepted Answer

A) Hexose are absorped faster than pentose. 
B) D amino acids are absorped better than L amino acids. 
C) Glucose is absorped faster than fructose. 
D) none 
A) Hexose are absorped faster than pentose. 
B) D amino acids are absorped better than L amino acids. 
C) Glucose is absorped faster than fructose. 
D) none

The following statement about calcium absorption from small intestine are true except:

The major site of absorption of VIT B12 is:

Whole proteins may be absorped from small intestine by :

Migration motor complex is characterized by the following except:

All of the followings are absorped by Na dependent 2ry active transport except:

Peristaltic rush are characterized by the following except:

VitaminC is absorped from small intestine by:

Vitamin D is absorped from small intestine as the absorption of :

Absorption of fat soluble vitamins require the following:

Pentose is absorped from small intestine by:

Peristaltic waves in the small intestine are characterized by the following statement except:

Choose a single incorrect answer about absorption from small intestine:

The following are true statement about iron absorption from small intestine except:

The absorptive surface area of small intestineis over:

Fructose is absorped from small intestine by :

The following are true statement about fat absorption from small intestine except:

Absorption of Na ions from small intestine occur by the following except:

Peristaltic contractions of small intestine are characterized by all of the followings except:

Absorption of Cl- ions from small intestine occur by the following ways except:

The following are true statement about absorption from small intestine except:

Gastrointestinal Hormones and Functions

Digestive Physiology

Gastric Secretion and Functioning of the Stomach

Gastric Secretion and Vomiting

Pancreatic and Liver Secretions and Functions

Digestive System: Bile Secretion, Gallbladder Functions, and Succus Entericus Absorption

Digestive System Motility and Secretion

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Exam 7: Absorption and Motility in the Small Intestine

The following statement about calcium absorption from small intestine are true except:

The major site of absorption of VIT B12 is:

Whole proteins may be absorped from small intestine by :

Migration motor complex is characterized by the following except:

All of the followings are absorped by Na dependent 2ry active transport except:

Peristaltic rush are characterized by the following except:

VitaminC is absorped from small intestine by:

Vitamin D is absorped from small intestine as the absorption of :

Absorption of fat soluble vitamins require the following:

Pentose is absorped from small intestine by:

Peristaltic waves in the small intestine are characterized by the following statement except:

Choose a single incorrect answer about absorption from small intestine:

The following are true statement about iron absorption from small intestine except:

The absorptive surface area of small intestineis over:

Fructose is absorped from small intestine by :

The following are true statement about fat absorption from small intestine except:

Absorption of Na ions from small intestine occur by the following except:

Peristaltic contractions of small intestine are characterized by all of the followings except:

Absorption of Cl- ions from small intestine occur by the following ways except:

The following are true statement about absorption from small intestine except:

Gastrointestinal Hormones and Functions

Digestive Physiology

Gastric Secretion and Functioning of the Stomach

Gastric Secretion and Vomiting

Pancreatic and Liver Secretions and Functions

Digestive System: Bile Secretion, Gallbladder Functions, and Succus Entericus Absorption

Digestive System Motility and Secretion

Filters