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Small Intestine - Jones - GI Exam 2

Total questions: 38

Worksheet time: 30mins

Name
Class
Date
1.
Question Image

Match the following letters to their anatomical names

a)

F

1.

Stomach

b)

B

2.

Ascending colon

c)

I

3.

Appendix

d)

C

4.

Mesentery

e)

E

5.

Cecum

2.
Question Image

Match the following letters to their anatomical names

a)

H

1.

Ileum

b)

A

2.

Duodenum

c)

D

3.

Ileocecal junction

d)

G

4.

Jejunum

3.

Select all of the following letters that are divisions of the small intestin

a)

H

b)

A

c)

D

d)

G

e)

C

4.

Select all of the following functions of the small intestine

a)

Location for most chemical digestion

b)

Epithelial cells transport digested nutrients

c)

Movement of food down intestine and mixing

d)

Secretion of mucous, electrolytes, hormones and fluids

e)

Secretion of zymogens, Bicarbonate, and acid

5.

If fluid reabsorption in the small intestine isn't working what does it lead to (Two apply)

a)

Hypotension

b)
Diarrhea
c)

HTN

d)
Increased fluid absorption
e)

Constipation

6.

How much saliva do we secrete in a day

a)

1500 mL

b)

8000 mL

c)

2000 mL

d)

7000 mL

e)

800 mL

7.

All of the secretion (Ex: saliva, bile, stomach pancreas intestines etc) is how much in mL

a)

1500 mL

b)

8000 mL

c)

2000 mL

d)

7000 mL

e)

800 mL

8.

Where are brunner glands located?

a)

In the stomach

b)
In the liver
c)

In the duodenum

d)

In the large intestine

e)
In the small intestine
9.

What is the function of Brunner's glands

a)
To regulate the pH of the stomach
b)

To secrete mucus to protect the lining of the duodenum

c)
To absorb nutrients from the small intestine
d)
To produce digestive enzymes for breaking down food
e)
To store excess bile produced by the liver
10.

Select all of the following stimuli of Brunner's glands

a)

Distention

b)

Sympathetics

c)

Secretin

d)

Irritation

e)

Vagus activity

11.

Which of the following inhibitor of Brunner's glands

a)

Distention

b)

Sympathetics

c)

Secretin

d)

Irritation

e)

Vagus activity

12.

Match the following villi and crypt cells with their descriptions

a)

Cells involved in absorbing nutrients and water that have been digested

1.

Absorptive cells

b)

Mucous secreating

2.

Goblet cells

c)

S,I, and K cells that secrete their hormones into bloodstream

3.

Endocrine cells

d)

Defensive and apart of the immune system

4.

Paneth cells

e)

Secrete water and electrolytes

5.

Secretary cells

13.

Select all of the following cells found in the intestinal villi cells

a)

Absorptive cells

b)

Endocrine cells

c)

Mucous secreting cells

d)

Secretory cells

e)

Dividing stem cells

14.

Select all of the following cells found in the intestinal crypt cells

a)

Goblet cells

b)

Paneth Cells

c)

Mucous secreting cells

d)

Secretory cells

e)

Dividing stem cells

15.

Progression and differentiation of stem cells move up to the tip of the villi in 10-12 days before getting lopped off into the lumen and digested before fecal removal

a)

True

b)

False

16.
Question Image

Match the following Intestinal villi and crypt cells with their letter

a)

J

1.

Paneth cell

b)

B

2.

Absorptive cells

c)

H

3.

Venule

d)

I

4.

Arteriole and lymphatic vessel

e)

A

5.

Villi

17.
Question Image

Match the following Intestinal villi and crypt cells with their letter

a)

D

1.

Capillary network

b)

G

2.

Intestinal crypt

c)

C

3.

Brush border of microvilli

d)

F

4.

Lacteal

e)

E

5.

Goblet cell

18.

Reorder the following to show the cycle of stem cells starting from the lower region of the crypt

a)

Stem cells

b)

Secretory cells

c)

Absorptive cells

d)

Tip of the villus

e)

Sloughed off and digested

1)
2)
3)
4)
5)
19.

Which of the following are primary secretions of crypt cells (SATA)

a)

NaCl

b)

Water

c)

CCK

d)

Secretin

e)

Mucous

20.

Regardng the Crypt cell secretion model, the NKCC transporter is what type of transport? (active, passive etc?)

a)

Active transport

b)

Passive transport

c)

Secondary tranporter

d)

Facilitated diffusion

21.

Regarding the crypt cell model, what is the function of the CFTR channel?

a)

Potassium channel to remove potassium from the cell

b)

Chloride channel that pumps Cl into the lumen

c)

Secondary transport allowing Na, K, and Cl into the cell

d)

Active transport requiring ATP to pump Na against it's concentration gradient

22.

Which of the following activate the CFTR Channel

a)

cAMP

b)

Ca2+

c)

DAG

d)

IP3

e)

ATP

23.

As a result of chloride being secreted into the lumen by the CFTR channel what occurs?

a)

The Na+ makes the lumen slightly negative which helps draw in Cl- that is attracted to the charge and is able to enter the lumen via paracellular (in-between) cells.

b)

The Cl- makes the lumen slightly negative which helps draw in Na+ that is attracted to the charge and is able to enter the lumen via paracellular (in-between) cells. 

c)

The Cl- makes the lumen slightly positive which helps draw in Na+ that is attracted to the charge and is able to enter the lumen via paracellular (in-between) cells.

d)

The Na+ makes the lumen slightly positive which helps draw in Cl- that is attracted to the charge and is able to enter the lumen via paracellular (in-between) cells.

24.

Select the pathologies that can affect crypt secretion model

a)

Cholera

b)

E. Coli

c)

Enterobacteria

d)

H. Pylori

25.

E. Coli leads to which of the following effects due to the over activation of the CFTR channel

a)

Diarrhea

b)

Constipation

c)

Bloting

d)

Edema

e)

Gas build up

26.

After the movement of NaCl in the small intestine water moves via facilitated diffusion

a)

True

b)

False

27.

Match the following secretions with the enteroendocrine cells of the duodenum

a)

Secrete CCK

1.

I cells

b)

Secrete Secretin

2.

S Cells

c)

Secrete GIP

3.

K cells

28.

Match the following enteroendocrine cells with their stimulus in the duodenum

a)

Fatty acids, peptides, and amino acids

1.

I cells

b)

Low pH

2.

S Cells

c)

Glucose, amino acids, and fats

3.

K cells

29.

Match the following enteroendocrine cells with their actions in the duodenum

a)

Stimulate digestion and motility which inhibits gastric emptying

1.

I cells

b)

Stimulates bicarbonate secretion from ducts. decrease gastric HCl secretion, decrease intestinal motility

2.

S Cells

c)

Stimulates insulin release and inhibits gastric HCl

3.

K cells

30.

Which of the following is the motility of contraction of smooth muscle behind and relaxation upstream pushes food bolus down. Repeats down the intestine propelling food bolus down.  

a)

Peristasis

b)

Segmentation

c)

Migrating myoelectric complex

d)

Retropulsion

31.

Which of the following moves chyme towards the colon and cleans out secretions during fasting

a)

Peristasis

b)

Segmentation

c)

Migrating myoelectric complex

d)

Retropulsion

32.

Which of the following stimulate peristalsis in the small intestine (SATA)

a)

CCK

b)

Gastrin

c)

Motilin

d)

Secretin

33.

Which of the following inhibit peristalsis in the small intestine

a)

CCK

b)

Gastrin

c)

Motilin

d)

Secretin

34.

In the small intestine, are there more or less contractile rings when eating?

a)

More

b)

Less

c)

Doesn't change

35.

How does the migrating myoelectric complex work

a)

About ever 90 minutes while eating sends a peristaltic wave

b)

About every 90 minutes during fasting sends a peristaltic wave

c)

About every 30 minutes during fasting sends a peristaltic wave

d)

About every 30 minutes during fasting sends a peristaltic wave

36.

Which of the following activate the migrating myoelectic complex

a)

CCK

b)

Motilin

c)

Secretin

d)

Gastrin

37.

Motilin is released from which cells

a)

I Cells

b)

S cells

c)

M cells

d)

K cells

38.

What will turn off motilin

a)

Fasting

b)

Gastrin

c)

CCK

d)

Secretin

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