Question 1

Intestinal motility help absorption from small intestine by all the following except:

Accepted Answer

A) Increase blood and O2 supply. 
B) Increase lymph flow. 
C) Increase osmotic pressure. 
D) Increase contact of food with mucosa. 
A) Increase blood and O2 supply. 
B) Increase lymph flow. 
C) Increase osmotic pressure. 
D) Increase contact of food with mucosa. C

Question 2

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. D

Question 3

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. A

Question 4

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 5

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 6

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 7

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 8

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 9

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 10

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 11

The transport of glucose across intestinal mucosa is directly dependent Upon the following except:

Accepted Answer

A) Na concentration in intestinal lumen. 
B) Plasma insulin. 
C) Inhibitors of energy metabolism. 
D) none 
A) Na concentration in intestinal lumen. 
B) Plasma insulin. 
C) Inhibitors of energy metabolism. 
D) none

Question 12

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 13

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 14

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 15

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.

Question 16

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 17

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 18

The amount of water excreted in stool is about:

Accepted Answer

A) 100mld 
B) 0.5Ld 
C) 0.4Ld 
D) none 
A) 100mld 
B) 0.5Ld 
C) 0.4Ld 
D) none

Question 19

The following reflexes inhibit small intestine motility except:

Accepted Answer

A) Peritoneo-intestinal 
B) Reno-intestinal 
C) Gastro-ileal. 
D) Somato-intestinal. 
A) Peritoneo-intestinal 
B) Reno-intestinal 
C) Gastro-ileal. 
D) Somato-intestinal.

Question 20

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

Intestinal motility help absorption from small intestine by all the following except:

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

Absorption of fat soluble vitamins require the following:

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

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

The absorptive surface area of small intestineis over:

Pentose is absorped from small intestine by:

VitaminC is absorped from small intestine by:

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

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

The transport of glucose across intestinal mucosa is directly dependent Upon the following except:

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

Migration motor complex is characterized by the following except:

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

The major site of absorption of VIT B12 is:

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

Peristaltic rush are characterized by the following except:

The amount of water excreted in stool is about:

The following reflexes inhibit small intestine motility except:

Whole proteins may be absorped from small intestine by :

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

Intestinal motility help absorption from small intestine by all the following except:

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

Absorption of fat soluble vitamins require the following:

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

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

The absorptive surface area of small intestineis over:

Pentose is absorped from small intestine by:

VitaminC is absorped from small intestine by:

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

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

The transport of glucose across intestinal mucosa is directly dependent Upon the following except:

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

Migration motor complex is characterized by the following except:

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

The major site of absorption of VIT B12 is:

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

Peristaltic rush are characterized by the following except:

The amount of water excreted in stool is about:

The following reflexes inhibit small intestine motility except:

Whole proteins may be absorped from small intestine by :

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