Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Nutrition > Digestion and Absorption > Flashcards

Digestion and Absorption Flashcards

1
Q

Is the digestive process voluntary or involuntary?

A

Involuntary

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

What are the components of the digestive system?

A 
Salivary glands.
Duodenum
Jejenum
Pharynx.
Esophagus.
Stomach.
Small Intestine.
Large Intestine.
Rectum.
Accessory digestive organs: liver, gallbladder, pancreas
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 4 hormones that regulate digestion?

A
  1. Gastrin
  2. GIP
  3. CCK
  4. Secretin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the origin, stimulus and action of: gastrin?

A

Origin- Stomach and Duodenum
Stimulus- Food in the stomach
Action- Stimulate flow of stomach enzymes

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

What is the origin, stimulus and action of: GIP

A

Origin- Duodenum and Jejunum
Stimulus- Lipids and Proteins
Action- Stomach acid and Enzymes (Slows emptying)

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

What is the origin, stimulus and action of: CCK

A

Origin: Duodenum and Jejunum
Stimulus- Lipids and proteins
Action- Contraction of gallbladder, Produces pancreatic juice and slows gastric emptying

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the origin, stimulus and action of: Secretin

A

Origin- Duodenum and Jejunum
Stimulus- Acid chyme and Peptones
Action- Pancreatic fluid and Slows gastric emptying

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 2 transport of nutrients process?

A

Passive and Active

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is passive transport?

A

Transport through the plasma membrane without enery requirement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is active transport?

A

Through the plasma membrane which requires metabolic energy to power exchange of materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the function of the mouth In the digestive system?

A

Mixes food with saliva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the function of Salivary glands In the digestive system?

A

Secrete saliva containing enzymes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the function of the esophagus In the digestive system?

A

Passes food to the stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of cardiac sphincter In the digestive system?

A

Passage from esophagus to stomach

Prevents back-flow from the stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the function of the stomach In the digestive system?

A

Adds acid, enzymes and fluid

Mixes and grinds food to a liquid mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the function of the pancreas In the digestive system?

A

Makes enzymes to digest food and bicarbonate to neutralize stomach acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the function of the pancreatic duct In the digestive system?

A

Conducts pancreatic juice into the small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the function of Pyloric sphincter In the digestive system?

A

Passge from stomach to small intestine

Prevents back-flow from small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the function of liver In the digestive system?

A

Makes bile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the function of large intestine In the digestive system?

A

Reabsorbs water and minerals

Passes undigested waste to rectum

21
Q

What is the function of gallbladder In the digestive system?

A

Stores bile until needed

22
Q

What is the function of bile duct In the digestive system?

A

Conducts bile into small intestine

23
Q

What is the function of the rectum In the digestive system?

A

Stores waste until elimination

24
Q

What is the function of the ileocecal valve In the digestive system?

A

Passage from small to large intestine

Prevents back-flow from large intestine

25
Q

What is simple diffusion?

A

Substance moves from high to low concentration area until even

26
Q

What is facilitated diffusion?

A

Selective binding of molecule to carrier protein lipid insoluble molecules to a lipid soluble carrier molecule

27
Q

What is osmosis?

A

Moves water through selectively permeable membrane because of difference in water concentration on sides of membrane

28
Q

What is filtration?

A

Water + it solutes flow passively from high to low hydro-static presser area

29
Q

What are 4 hormones that regulate digestion?

A

Gastrin
Secretin
Cholecystokinin
Gastric inhibitory peptide

30
Q

Where is gastrins origin?

A

Dudodenum

31
Q

Where is GIP origin?

A

Duodenum and Jejunum

32
Q

Where is CCK origin?

A

Duodenum and jejunum

33
Q

Where is secretin orinin?

A

Duodenum and Jejunum

34
Q

What organ secretes saliva?

A

Salivary glands

35
Q

What organ secretes gastric juices?

A

Gastric glands from the stomach

36
Q

What 2 organs secrete bile?

A

Liver and Gallbladder

37
Q

What do the intestinal glands secrete?

A

Intestinal juice

38
Q

What are the components of the GI Tract?

A

Esophagus, Gallbladder, Liver, Stomach, Pancreas, Small intestine, Large intestine, Rectum and Anus

39
Q

What does the esophagus connect to the stomach?

A

The pharynx

40
Q

What is peristalsis?

A

Smooth muscle contractions

41
Q

What are sphincters?

A

Valves that respond to stimuli to increase pressure

42
Q

What chemical substance does the stomach mix with contents?

A

Chyme

43
Q

What do parietal cells secrete?

A

Hydrochloric acids

44
Q

How long does the stomach take to empty?

A

1-4 hours

45
Q

Where does most digestion occur?

A

In the small intestine

46
Q

How does vitamin absorbtion occur?

A

By passive process of diffusion in the jejunum

47
Q

What are fat soluble vitamins absorbed with?

A

Dietary lipids

48
Q

How is most water absorbed into the large intestine?

A

Osmosis

49
Q

How much water does the intestinal tract absorbed?

A

9L

Nutrition (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions