✔️✔️✔️24 - Stomach & Intestines 🟢

LECTURE 24 POWERPOINT INFORMATION

LECTURE 24 POWERPOINT INFORMATION

false

T/F - The digestive tract = GI tract

serous, muscular, submucous, & mucous coats

What are the tunics/coats of the GIT?

longitudinal; circular

The muscular coat of the GIT tract consists of _____ and _____ layers

pylorus

Enlarged smooth mm. that regulate the passage of content from the stomach to the small intestine

antrum & pyloric canal

The pyloric part of the stomach includes what parts/sections?

vomit

Involuntary forceful expulsion of content from stomach to the exterior through the mouth

internal

If the content gets in the esophagus and not the exterior, it is known as an _____ vomit

right

The pyloric part and pylorus are located on the [right/left]

left; left hypochondrium

The fundus is located to the [right/left], at the level of the _____

caudal; left

The greater curvature of the stomach points [cranial/caudal] and to the [right/left]

cranial; right

Lesser curvature of the stomach points [cranial/caudal] and to the [right/left]

greater omentum

What courses from the dorsal body wall to greater curvature of stomach?

spleen

What does the superficial leaf of the greater omentum contain?

left limb of the pancreas

What does the deep leaf of the greater omentum contain?

omental (epiploic) foramen

What is the entrance to the omental bursa?

CrDF: Cranial duodenal flexure

DeD: Descending part

CaDF: Caudal duodenal flexure

AsD: Ascending part

DJF: Duodenojejunal flexure

What are the parts of the duodenum?

major duodenal papilla

Openings of bile duct and pancreatic duct

minor duodenal papilla

Opening of accessory pancreatic duct

antimesenteric ileal artery & ileocecal fold

What defines the ileum/serves as its landmark(s)?

cecum, colon, & rectum

What are the parts of the large intestine?

cecocolic orifice

Opening between the cecum and the ascending colon

ileocecal fold

Plica of peritoneum between the cecum and the ileum

Ascending colon

Right colic flexure

Transverse colon

Left colic

Descending colon

What are the parts of the colon?

mesentery

The following are known as _____ (as a group):

-Mesoduodenum

-Mesojejunum

-Mesoileum

-Mesocolon

-Mesorectum

anal triangle, ischiatic tuberosity, & urogenital triangle

What are the parts of the perineum?

somatic

The external anal sphincter is controlled by the _____ nervous system

autonomic

The internal anal sphincter is controlled by the _____ nervous system

columnar zone

Transitional tissue between mucosa and skin associated with the anus

rectum

The internal and external anal sphincter are part of the [rectum/anus]

anus

The cutaneous zone, anocutaneous line, columnar zone, and anal sac opening are part of the [rectum/anus]

LECTURE 24 PRACTICE QUESTIONS

LECTURE 24 PRACTICE QUESTIONS

B. Stomach

Which structure is the first to encounter ingesta after the esophagus?

A. Duodenum

B. Stomach

C. Ileum

D. Cecum

A. Caudal

The cranial duodenal flexure is located in which direction relative to the stomach?

A. Caudal

B. Cranial

C. Right

D. Left

B. Duodenum

Which segment of the intestine connects directly to the stomach?

A. Ileum

B. Duodenum

C. Cecum

D. Ascending colon

B. Caudal

After passing the cranial duodenal flexure, ingesta moves in which direction in the descending duodenum?

A. Left

B. Caudal

C. Cranial

D. Dorsal

A. Right colic flexure

Where does the ascending colon transition to the transverse colon?

A. Right colic flexure

B. Left colic flexure

C. Cranial flexure

D. Caudal flexure

B. Transverse and descending colon

The left colic flexure is located between which segments?

A. Cecum and transverse colon

B. Transverse and descending colon

C. Ascending and transverse colon

D. Descending colon and rectum

C. Left caudal

In what quadrant is the descending colon located?

A. Right cranial

B. Right caudal

C. Left caudal

D. Left cranial

B. Falciform ligament

Which peritoneal attachment secures the liver to the diaphragm and abdominal wall?

A. Greater omentum

B. Falciform ligament

C. Mesoduodenum

D. Lesser omentum

A. Mesoduodenum

The duodenum is attached to the dorsal body wall by which structure?

A. Mesoduodenum

B. Mesoileum

C. Mesocolon

D. Falciform ligament

C. Descending colon

Which organ is not in the right cranial quadrant?

A. Liver

B. Stomach

C. Descending colon

D. Right kidney

A. Fundus

Which portion of the stomach is most cranial?

A. Fundus

B. Pylorus

C. Antrum

D. Body

A. Bile and pancreatic ducts

Which ducts open into the descending duodenum?

A. Bile and pancreatic ducts

B. Hepatic and splenic ducts

C. Pancreatic and cystic ducts

D. Hepatic and gastric ducts

B. To regulate the passage of ingesta to the duodenum

What is the function of the pyloric canal in the stomach?

A. To store ingesta

B. To regulate the passage of ingesta to the duodenum

C. To produce gastric enzymes

D. To prevent reflux

B. Umbilical

The jejunum primarily occupies which region of the abdominal cavity?

A. Right cranial

B. Umbilical

C. Left cranial

D. Pubic

B. Ileum

Which is the distal segment of the small intestine before reaching the large intestine?

A. Jejunum

B. Ileum

C. Duodenum

D. Ascending colon

A. Ascending colon

Which part of the large intestine lies between the cecum and the transverse colon?

A. Ascending colon

B. Descending colon

C. Rectum

D. Ileum

B. Anus

The anal sacs are located within which structure?

A. Perineum

B. Anus

C. Rectum

D. Ileum

D. Pubic

What region is caudal and medial to the right and left inguinal regions?

A. Umbilical

B. Hypochondriac

C. Left flank

D. Pubic

B. Ileocolic orifice

Which segment connects the ileum to the cecum?

A. Mesocolon

B. Ileocolic orifice

C. Pyloric canal

D. Cardia

B. Covers and protects abdominal organs

What is the primary function of the greater omentum?

A. Connects the liver to the diaphragm

B. Covers and protects abdominal organs

C. Connects the ileum to the cecum

D. Supplies blood to the intestines

LECTURE 24 IMAGES

LECTURE 24 IMAGES

muscous coat

A

submucous coat

B

muscular coat

C

serous coat

D

pylorus

A

lesser curvature

B

pyloric part

C

body

D

cardia

E

fundus

F

greater curvature

G

pyloric part

A

pyloric canal

B

pylorus

C

pyloric antrum

D

lesser curvature

E/F

body

G

cardia

H

fundus

I

greater curvature

J/K

stomach

A

esophagus

B

lumbar portions or crus

C

esophageal hiatus

D

fundus

A

esophagus

B

stomach

C

liver

D

body

E

liver

A

fundus

B

stomach

C

pyloric antrum

D

pylorus

A

pyloric portion

B

liver

C

fundus

D

fundus

E

body

F

spleen

G

greater curvature

H

liver

A

diaphragm

B

fundus of stomach

C

pyloric part

A

pylorus

B

fundus

C