digestion flashcards exam qs

You may prefer our related Brainscape-certified flashcards:
1
Q

Describe the processes involved in the absorption and transport of
digested lipid molecules from the ileum into lymph vessels.

A
  • micelles contain bile salts, fatty acids and monoglycerides
  • release fatty acids and monoglycerides when come into contact with epithelial cells
  • absorbed by diffusion
  • recombine in endoplasmic reticulum to form triglycerides
  • move out of epithelial cell into lymph vessels by exocytosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe the role of micelles in the absorption of fats into the cells lining
the ileum.

A
  • micelles include bile salts and fatty acids
  • release fatty acids when come into contact with epithelial cells
  • absorbed by diffusion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is peristalsis ?

A

Smooth muscle contraction occurs in the oesophagus to help the food bolus travel down to the stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What enzymes are found in pancreatic juices released into duodenum ?

A

Lipase, amylase, exo and endopetidases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What membrane bound enzymes are found in duodenum ?

A

Maltase, sucrase and lactase
Matase- broken down into alpha glucose
Sucrase - broken down into glucose and fructose
Lactase- broken down into glucose and galactose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the difference between endothelial and epithelial cells ?

A

Endothelial - on the inside of the body
Epithelial - on the outside of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly