GI Digestive System Anatomy 2

Question 1

Which layer of the GI tract wall contains blood vessels, lymphatics, and the submucosal (Meissner's) plexus?

Accepted Answer

Submucosa

Answer

Mucosa

Answer

Muscularis externa

Answer

Serosa

Question 2

The myenteric (Auerbach's) plexus is located between which two layers of the GI tract?

Accepted Answer

Circular and longitudinal muscle layers

Answer

Mucosa and submucosa

Answer

Submucosa and circular muscle

Answer

Longitudinal muscle and serosa

Question 3

Which structure connects the stomach to the liver and contains the hepatic artery, portal vein, and bile duct?

Accepted Answer

Hepatoduodenal ligament

Answer

Falciform ligament

Answer

Gastrohepatic ligament

Answer

Coronary ligament

Question 4

The hepatic flexure of the colon is located in which abdominal quadrant?

Accepted Answer

Right upper quadrant

Answer

Left upper quadrant

Answer

Left lower quadrant

Answer

Right lower quadrant

Question 5

Which portion of the duodenum is retroperitoneal and crosses the vertebral column?

Accepted Answer

Third (horizontal) part

Answer

First (superior) part

Answer

Second (descending) part

Answer

Fourth (ascending) part

Question 6

Which cells in the gastric mucosa secrete intrinsic factor and hydrochloric acid?

Accepted Answer

Parietal (oxyntic) cells

Answer

Chief cells

Answer

G cells

Answer

Mucous neck cells

Question 7

The splenic flexure of the colon receives its blood supply primarily from which artery?

Accepted Answer

Left colic artery

Answer

Superior mesenteric artery

Answer

Inferior mesenteric artery

Answer

Middle colic artery