Brainscape's Knowledge GenomeTM

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


See full index

Organ Histo Final > Chapter 6- Small Intestines > Flashcards

Chapter 6- Small Intestines Flashcards

1
Q

What are the THREE general functions of the SI?

A

digestion
absorb nutrients
produce intestinal hormones (including DNES cells)

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

What are the THREE surface adaptations of the SI that increase surface area by a factor of 400 plus?

A

plicae circulares (valves of Kerckring)
villi
microvilli

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

Which surface adaptation of the SI are permanent folds affecting the mucosa and submucosa; found throughout the duodenum, jejunum and proximal ileum?

a. plicae circulares (valves of Kerckring)
b. villi
c. microvilli

A

plicae circulares (valves of Kerckring)

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

What cell type is the surface epithelium in the SI composed of?

A

simple columnar

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

Which surface epithelium type of the SI contains microvilli?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

surface absorptive cells

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

Which surface epithelium type of the SI functions to absorb water and nutrients?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

surface absorptive cells

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

Surface absorptive cells of the SI involve terminal digestion in _________ cells, produce enzymes and absorb monosaccharides and peptides

A

glycocalyx

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

Which surface epithelium type is fewest in the duodenum and most in the ilium?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

goblet cells

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

Which DNES cell of the SI produces SECRETIN; which stimulates pancreas secretion of bicarbonate from the pancreatic ducts?

a. type I
b. type K
c. type S

A

type S

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

Which DNES cell of the SI produces CHOLECYSTOKININ (CCK); which stimulates gallbladder contraction and pancreatic secretion of enzymes from serous acini?

a. type I
b. type K
c. type S

A

type I

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

Which DNES cell type of the SI produces GASTRIC INHIBITORY PEPTIDE (GIP); which inhibits HCI release?

a. type I
b. type K
c. type S

A

type K

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

Which surface epithelium type of the SI are found in crypts?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

regenerative cells

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

Which surface epithelium type of the SI are located in CRYPTS and produce LYSOZYMES?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

paneth cells

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

Which surface epithelium type of the SI are located in the ILIUM EPITHELIUM and function to PROMOTE HUMORAL IMMUNITY?

a. regenerative cells
b. goblet cells
c. DNES cells
d. surface absorptive cells
e. M (microfold) cells
f. paneth cells

A

M (microfold) cells

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

The LAMINA PROPRIA of the SI are found in the _______

A

villus core

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

LACTEALS and VASCULAR COMPONENTS (small BVs) of the SI are found in which layer?

A

lamina propria

17
Q

The __________ of the SI boarders the CRYPTS OF LIEBERKUHN (intestinal glands)

A

Lamina propria

18
Q

The DUODENUM, JEJUNUM, and ILEUM are all found in the _________ layer of the SI

A

submucosa

19
Q

The submucosa of the SI is composed of ___________

A

dense fibroelastic CT

20
Q

BRUNNER GLANDS which of the SI are found in

a. duodenum
b. jejunum
c. ileum

A

duodenum

21
Q

Brunner glands of the duodenum produce _________ which functions to neutralize chyme

A

alkaline mucus

22
Q

Peyers patches are located in the ___________

a. duodenum
b. jejunum
c. ileum

A

ileum

23
Q

The function of the submucosal (myenteric) plexus of the ileum is to _________

A

influence mucosa

24
Q

What is the function of the myenteric (auerbach) plexus of the muscularis externa in the ileum?

A

stimulates the ME for peristalsis

25
Q

__________ is found in all of the jejunum and ileum, and the last 1-2 cm’s of the duodenum

A

serosa

26
Q

________ is found in the vertical (descending) portion of the duodenum

A

adventitia

27
Q

__________ is found between the ileum and the cecum of the colon. It is a physiological and anatomical sphincter

A

ileocecal valve

Organ Histo Final (15 decks)

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