Tag: gastrointestinal tract and liver

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Questions Related to gastrointestinal tract and liver

Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Gastro-intestinal hormone that stimulates insulin secretion is

  1. Gastrin

  2. Secretin

  3. GIP

  4. CCK
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

GIP (Gastric Inhibitory Peptide or Glucose-dependent Insulinotropic Polypeptide) stimulates insulin secretion in response to glucose.

Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Secretion of hormone cholecystokinin is for 

  1. Controlling blood pressure

  2. Inducing peristalsis

  3. Bile functions

  4. Release of insulin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cholecystokinin (CCK) stimulates the contraction of the gallbladder to release bile into the duodenum.

Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Secretion of gastric juice is stopped by

  1. Gastrin

  2. Secretin

  3. Enterogastrone

  4. Cholecystokinin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
A. Gastrin is secreted in stomach by the parietal cells and stimulates the secretion of gastric juices from the gastric glands.
B. Secretin is secreted in duodenum and stimulates the secretion of pancreatic juice but inhibits the secretion of gastric juices.
C. Enterogastrone is secreted from the duodenal mucosa and decreases the secretion of gastric juices.
D. Cholecystokinin is secreted from the duodenum and causes contraction of gall bladder and secretion of pancreatic juice into duodenum.
So, the correct answer is 'Enterogastrone'.
Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Which hormone stimulates the gastric glands to release the gastric secretion? 

  1. Enterogastrone

  2. Gastrin

  3. Pancreozymin

  4. Cholecystokinin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
A. Enterogastrone is secreted from the duodenal mucosa and decreases the secretion of gastric juices.
B. Gastrin is secreted in stomach by the parietal cells and stimulates the secretion of gastric juices from the gastric glands.
C. Pancreozymin is the former name of cholecystokinin hormone that stimulates the contraction of gall bladder and release of pancreatic juices into duodenum.
D. Cholecystokinin is secreted from the duodenum and causes contraction of gall bladder and secretion of pancreatic juice into duodenum.
So, the correct answer is 'Gastrin'.
Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Hormone involved in discharge of pancreatic secretions is

  1. Gastrin

  2. Cholecystokinin

  3. Secretin

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
A. Gastrin is secreted in stomach by the parietal cells and stimulates the secretion of gastric juices from the gastric glands.
B. Cholecystokinin is secreted from the duodenum and causes contraction of gall bladder and secretion of pancreatic juice into duodenum.
C. Secretin is secreted in duodenum and stimulates the secretion of pancreatic juice but inhibits the secretion of gastric juices.
Hence, both cholecystokinin and secretin are involved in discharge of pancreatic secretions. So both options B and C are correct. 
So, the correct answer is 'Both B and C'.
Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Enteroendocrine glands are present in 

  1. Stomach

  2. Intestine

  3. Oesophagus

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Enteroendocrine glands are the endocrine glands present in gastrointestinal tract. Endocrine glands secrete their products directly into the blood stream. For example, cholecystokinin is secreted from duodenum (part of small intestine) and stimulates the contraction of gall bladder to release bile juice and also stimulates secretion of pancreatic juice. An example of hormone secreted from enteroendocrine gland in stomach is gastrin which stimulates secretion of gastric juice.
Hence, both options A and B are correct.
So, the correct answer is 'Both A and B'.
Multiple choice zoology endocrine system and chemical co-ordination gastrointestinal tract and liver hormones of heart, kidney, liver and gastrointestinal tract coordination in human beings- chemical control

Cholecystokinin and secretin are secreted by

  1. Stomach

  2. Liver

  3. Duodenum

  4. Ileum
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • Cholecystokinin is secreted from the duodenum and causes contraction of gall bladder and secretion of pancreatic juice into duodenum.
  • Secretin is secreted from duodenum and stimulates the secretion of pancreatic juice but inhibits the secretion of gastric juices.
So, the correct answer is 'Duodenum'.