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Flashcards in NBS Physiology- Gastrointestinal Deck (22)
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1
Q
Starch digestion starts in the \_\_\_\_\_\_\_\_.
A. Large intestine
B. Stomach
C. Small intestine
D. Mouth
A

D

Mouth

2
Q
What enzyme starts starch digestion in the mouth?
A. Pancreactic lipase
B. Ptyalin
C. Intrinsic Factor
D. Pepsinogen
A

B

Ptyalin

3
Q
What is another name for Ptyalin?
A. HCL
B. Peptidase
C. Salivary Amylase
D. Lipase
A

C

Salivary amylase

4
Q

What is the main function of the esophagus?
A. Bolus Formation
B. Digestion
C. Bolus Transport

A

C

Transport

5
Q
What is the function of bicarbonate in the duodenum?
A. Water transporter
B. Reabsorb B12
C. Decrease pH
D. Increase pH
A

C

Dec. pH

6
Q
How long is the duodenum?
A. 20-25 ft
B. 6-10 ft
C. 10-15 ft
D. 10-12 inches
A

D

10-12 inches

7
Q
What is initially digested by the stomach?
A. Protein
B. Starch
C. Carbohydrates
D. Fatty Acids
A

A

Protein

8
Q
Chief cells of the stomach release?
A. HCL
B. Pepsinogen
C. Gastrin
D. Intrinsic factor
A

B

Pepsinogen

9
Q
G cells of the stomach release?
A. HCL
B. Pepsinogen
C. Gastrin
D. Intrinsic factor
A

C
Gastrin

G=G

10
Q
Parietal cells aka oxyntic cells release which of the following? Pick all that apply
A. Gastrin
B. Pancreatic lipase
C. Intrinsic factor
D. HCL
A

C and D

11
Q
What structures in the stomach help to increase surface area?
A. Paneth cells
B. Rugae
C. Columns of Morgagni
D. Pili
A

B

Rugae

12
Q
Which part of the Small Intestine is associated with the sphincter of Oddi?
A. jejunum
B. Ileum
C. Duodenum
D. All of the above
A

C

Duodenum

13
Q

What is the longest part of the small intestine?
A. Jejunum
B. Ileum
C. Duodenum

A

B
ileum
10-15 ft

WTF is that

14
Q
Which enzyme is associated with the duodenum of the small intestine?
A. Pepsinogen
B. Pancreatic Lipase
C. Intrinsic Factor
D. Insulin
A

B

Pancreatic Lipase

15
Q

T/F: Amylase found in the jejunum of the small intestine

A

False

Amylase= Duodenum

16
Q
What is the transit time through the small intestine?
A. 10-12 hours
B. 1 day
C. 2-4 hours
D. 3-4 days
A

C

2-4 hours

17
Q
Which of the following secrete alkaline muscus within the duodenum to help increase the pH?
A. Hepatocytes
B. Peyer patches
C. Paneth cells
D. Brunner cells
A

D

Brunner cells

18
Q
Most food digestion is complete by this point?
A. Esophagus
B. Jejunum
C. Duodenum
D. Stomach
A

B

Jejunum

19
Q
Disacharride digestion starts at?
A. Mouth
B. Jejunum
C. Duodenum
D. Ileum
A

B

Jejunum

20
Q

Carboxy-peptidase fromt he pancreas is active in which part of the small intestine?

A

Jejunum

21
Q
Where is fat and starch digestion occurring primarily?
A. Mouth
B. Jejunum
C. Duodenum
D. Ileum
A

C

Duodenum

22
Q
The major resorption of water in the small intestin occurs where?
A. Mouth
B. Jejunum
C. Duodenum
D. Ileum
A

C

Jejunum