Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

BIO2402 > Digestive > Flashcards

Digestive Flashcards

1
Q

What are the macronutrients

A

carbs, proteins, fat

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

What are micronutrients

A

vitamins

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

What is the alimentary canal

A

the 30 ft tube that ingested material passes through: mouth, pharynx, stomach, LI, SI

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

What are some accessory structures

A

teeth, tongue,gallbladder,salivary glands, liver (not part of the tube)

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

What are the 6 digestive processes

A
  1. ingestion
  2. Propulsion
  3. Mechanical digestion
  4. Chemical digestion
  5. Absorption
  6. Defication
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is deglutition

A

swallowing

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

What is peristalis

A

series of wave-like muscle contractions that moves food to different processing stations in the digestive tract

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

What are the 4 layers of the small intestine

A
  1. Mucosa
  2. Submucosa
  3. Muscularis Externa
  4. Serosa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the 3 sublayers of the mucosa

A
  1. epithelium: Simple columnar, goblet cells, enteroendocrine cells that produce hormone
  2. lamina propria: loose CT w/ much nerves/cap/lymph
  3. Muscularis mucosae: thin layer of muscle. (not main muscle layer)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the function of the mucosa

A

secretion(mucus, enxymes, hormones) and absorption

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

What is the submucosa

A

layer of dense ct.

extensive vascualar system to transport absorbed materials

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

What is the muscularis externa

A

responsible for gut motility for peristalsis

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

What is the serosa

A

layer of loose (areolar) connective tissue

  • forms part of the peritoneum
  • above diaphragm, the lining is fibrous connective tissue called the ADVENTITIA
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the enteric nervous system

A

the system that regulates the motility, secretions and blood flow to the digestive system

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

What are the two networks that are a part of the parasympathetic nervous system (in the enteric nerv. sys.)

A
  1. Submucosal nerve plexus

2. Myenteric nerve plexus

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

What is the submucosal nerve plexus

A
  • in submucosa
  • sensory and motor
  • regulates glands and the smooth muscles in the mucosa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the myenteric nerve plexus

A
  • between layers of the muscularis externa

- controls peristalsis

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

What is the mesentery?

A

a double layer of peritoneum that extends from the peritoneum of the body wall to the dig. organs (path for nerves, lmyph and fat storage)

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

What is the lesser omentum

A

mesenteric tissue extending from the stomach up to the liver

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

what is the greater omentum

A

layer of fat hanging down from the stomach that covers intestines like an apron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How many deciduous (baby) are there

A

20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How many permanent teeth are there

A

32

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Incisors

A

sharp teeth used for cutting, to bite off a piece of food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Canines

A

more pointed teeth to puncture and shred food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
premolars (biscuspis) and molars
flat broad surfaces for grinding and chewing food
26
What does the pharynx do
connects the oral cavity to the esophagus
27
What does the esophagus do
connects the pharynx to the stomach
28
does digestion or absorption occur in the esophagus ?
heck no
29
How much can your stomach hold
4 liters(50ml when empty)
30
What are the 4 regions of the stomach
1. Cardiac region 2. Fundic region 3. Body 4. Pyloric region
31
What is the inner lining in the stomach that stretches as the stomach fills
rugae
32
cardiac region
small area where the esophagus goes into the stomach
33
fundic region
dome-shaped upper portion
34
body
bulk of the stomach
35
pyloric region
narrow pouch at the end
36
What does the chief cells do
-produce pepsin (a protease) and gastric lipase at the base of gastric glands
37
What do parietal cells do
secrete HCI giving the pH of 1.5-3.0 | -Secretes intrinic factor (needed for 12 absorpt)
38
What do mucous cells do
produce acidic mucous
39
what do enteronedocrine cells do
produces over 20 hormones inculding gastrin, serotonin, cholecystokinin CCK
40
What are the circular folds of the SI
plicae | -causes chyme to spiral
41
What are the major brush border enzymes
``` maltase sucrase lactase aminopeptidase dipeptidases ```
42
Where does the illeum enter the LI
ileocecal valce
43
What are the liver lobes separated by
the falciform ligament
44
What is the livers only digestive function
produce bile
45
review ducts
for real
46
What produces bile
liver
47
what secretes bile
gallbladder
48
What does the pancreas do
releases pancreatic juice into the duodenum
49
NaHCO3
buffers the chyme | -released in pancreatic juice
50
Digestive enzymes
-released in pancreatic juice
51
Secretin
released from duodenum * Stimulated release by acid* * bicarbonate-rich pancreatic juice*
52
Cholecystokinin (CCK)
* stimulated release by protein and fat* | * enzyme rich pancreatic juice*
53
Protease
Protein breaking enzyme
54
Amylase
Starch breaking enzyme
55
Lipase
Fat breaking enzyme
56
What is maltase made of
glucose + glucose
57
What is sucrase made of
glucose + fructose
58
What is lactase made of
glucose + glactose
59
carboxypeptidase, aminopeptidase, and dipeptidases
brush border enzymes that break down proteins
60
what are the things responsible for fat digestion
lingual lipase, gastic lipase, and PANCREATIC LIPASE
61
what happens when lipid is broken down
TWO fatty acids and one monoglyceride

BIO2402 (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions