Back to AI Flashcard MakerBiology /Biology NEET - XI: Chapter 16- Digestion and Absorption Part 3

Biology NEET - XI: Chapter 16- Digestion and Absorption Part 3

Biology46 CardsCreated 2 months ago

Fats are the most energy-dense macronutrients, providing 9.4 kilocalories per gram. They serve as a long-term energy reserve and are essential for absorbing fat-soluble vitamins.

What type of peptidases are trypsin and chymostrypsin

Endopeptidase

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Key Terms

Term
Definition

What type of peptidases are trypsin and chymostrypsin

Endopeptidase

What type of peptidase is aminopeptidase?

Exopeptidase

In the mouth and stomach starch is decomposed into

Maltose + isomaltose + limit dextrins

____% of proteins are digested in stomach

50%

What activates trypsinogen and chymotrypsinogen?

Enterokinase

Which enzyme digests proteoses and peptones?

Carboxypeptidase

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TermDefinition

What type of peptidases are trypsin and chymostrypsin

Endopeptidase

What type of peptidase is aminopeptidase?

Exopeptidase

In the mouth and stomach starch is decomposed into

Maltose + isomaltose + limit dextrins

____% of proteins are digested in stomach

50%

What activates trypsinogen and chymotrypsinogen?

Enterokinase

Which enzyme digests proteoses and peptones?

Carboxypeptidase

Fat digestion starts in

Stomach

What percentage of total fat globules are digested by panceratic lipase?

80%

What percentage of total fat globules are digested by intestinal lipase?

20%

What kind of transport is used to absorb glucose?

Secondary active transport

What kind of transport is used to absorb fructose?

Facilitated diffusion

What kind of transport is used to absorb amino acids?

Maximum by active transport, some by facilitated diffusion

What is chyle?

Milky white alkaline digested food of small intestine

Where is aspirin/paracetamol absorbed in GIT?

Gastric mucosa

Where are iron and calcium absorbed in GIT?

Duodenum

Corticosteroid drugs are absorobed in which part of GIT?

Colon

What is the role of gastrin?

Increase gastric secretions

Gastric inhibitory peptide is secreted by

Duodenum

Gastric inhibitory peptide targets

Stomach

Duocrinin is secreted by

Duodenum

Duocrinin targets

Duodenum

What is the function of duocrinin?

Stimulates brunner's gland to release succus entericus

Enterocrinin is secreted by

Small intestine

Enterocrinin targets

Small intestine

What is the function of enterocrinin?

Enterocrinin stimulates crypts of liberkuhn to secrete succus entericus.

Which was the first discovered hormone of humans?

Secretin

Secretin is secreted by

S-cells of duodenum

Secretin targets

Pancreas, liver and stomach

What is the function of secretin?

Increases secretion of bile, bicarbonate ions, decreases gastric motility

Cholicystokinin-pancreozymin is secreted by

Small intestine

CCK-PZ targets

Gall bladder and pancreas

What is the function of CCK-PZ

Cholicystokinin-pancreozymin increases enzyme secretions of pancreas and causes contractions of gall bladder.

Glottis is the opening of

Wind pipe

The oesophagus is a thin, long tube extending posteriorly through the neck, thorax and diphragm. True/false.

True

What is the shape of the duodenum?

C-shaped

The appendix hosts some symbiotic bacteria. True/false.

False, the caecum bears some symbiotic bacteria.

Hepatic cells in liver are arranged in form of

cords

Gall bladder is a thick muscular sac. True/false.

False. Gall bladder is a thin muscular sac.

Pancreas is located between the limbs of duodenum. True/false.

True

Which electrolytes are present in the oral cavity?

Na+, K+, Cl-, HCO3-

Bile contains cholesterol. True/false?

TRue

The final steps of digestion occur very close to which cells?

Mucosal epithelium cells

Small molecules like glucose and amino acids are absorbed by the process of

Facilitated diffusion

Absorption of alcohol takes place in

Stomach

Which is the most common ailment due to bacterial infection?

Inflammation of intestinal tract

In constipation, faeces is retained in

Colon