[RECALLS] - 3rd PHYSIOLOGY EVALS CHAPTERS 41,42 (39 ITEMS) By: Dr. Miyake and Dr. Nobleza

Question 1

Amylase is found in the ff EXCEPT:

Answer 1

stomach

• mouth-salivary amylase
• pancreas:pancreatic amylase
• duodenum: agihanan daw ug enzyme

Question 2

Somatostatin

Answer 2

D cell in antrum

Question 3

GIP

Answer 3

K cells in duodenum

Question 4

D cells in the corpus of stomach are triggered by:

Answer 4

neural and hormonal mechanisms

ANTRAL D CELLS: low intraluminal PH

Question 5

Basal luminal ph:

Answer 5

4-6

Question 6

Initiate protein digestion by hydrolyzing specific peptide linkages:

Answer 6

Chief cells

Question 7

Inhibit both gastrin release and parietal cell acid secretion:

Answer 7

Somatostatin

Question 8

Emptying of solids is regulated by:

Answer 8

antral smooth muscles

liquids: proximal part

Question 9

The key step in gastric acid secretion:

Answer 9

Extrusion of H ion in exchange for K ion.

Question 10

The following are the function of secretin except:

Answer 10

Inhibition of Gastrin release in the copus

1.inhibition
of antral gastrin release 
2. Stimulation of somatostatin release 
3.direct down-regulation of parietal; cell H ion
secretory process

Question 11

What phase accounts for the largest gastrin release:

Answer 11

gastric phase (50%-60% total gastric acid secretion)

Question 12

The chief cells and mucous cells secrete pepsinogens:

Answer 12

TRUE

Question 13

Regulates the movement of contents of the common bile duct into the duodenum:

Answer 13

Sphincter of Oddi

Question 14

The following are true, except:

Answer 14

The ENS cannot operate without the CNS.

(ENS is a complete reflex circuit and can operate totally within GI tract without participation of either spinal cord or cephalic brain)

Question 15

The following are true regarding Galt:

Answer 15

All of the above

1. permit immunologic tolerance
2. consists of both organized aggregates of lymphoid tissue
3. diffuse populations of immune cells

Question 16

Absorptagogues:

Answer 16

Glucocorticoids

Question 17

Enterochromaffin-like Cells release:

Answer 17

Histamine

Question 18

When you feel anger and fear why is there slow digestion?

Answer 18

Sympathetic fibers also supply the postganglionic part of digestion

Question 19

During Chronic Gastritis when Parietal cells are damaged what function is impaired:

Answer 19

All of the above

Gastric, blood, digestion function: Parietal cells produce IF and HCl

Question 20

What is the bulk of secretion during basal state:

Answer 20

Sodium rich

Question 21

Function of colon:

Answer 21

Fecal formation

Question 22

Mixing in the small intestine:

Answer 22

Segmental contractions

DEGLUTITION
SWALLOWING
MASTICATION
CHEWING;

PROPULSION
WAVE LIKE MOVEMENT
MASS PERISTALSIS
colon

Question 23

If the nerves are damaged what layer is damaged:

Answer 23

submucosa

Question 24

Direct and indirectly stimulates gastric acid secretion except:

Answer 24

Histamine

Question 25

Parasympathetic effect on GIT except :

Answer 25

NO EXCEPTIONS

(Choices are Increased pepsinogen secretion,
Increased Acid Secretion, Increased mucus secretion)

Question 26

Peristalsis

Answer 26

Auerbach plexus (Myenteric)

Question 27

Lower esophageal sphincter is a _______ muscle that prevents reflux of gastric contents to _______.

Answer 27

Smooth

Esophagus

Question 28

Sympathetic fibers act on the INTERNAL SPHINCTER then the muscle of the external sphincter is acted
upon by….. :

Answer 28

Inhibit defecation

Question 29

Prevent reflux of food from stomach going to esophagus:

Answer 29

Upper Esophageal Sphincter

Question 30

True or False: Distention of esophagus is primary peristalsis.

Answer 30

False (Secondary dapat)