Anatomy of Digestive System 2

Question 1

Internal surface of Jejunum and Ileum:

_____ - large folds in the MUCOSAL layer to increase absorptive surface area.

Answer 1

Plica

Question 2

Internal surface of Jejunum and Ileum:
_____ – finger- like projections that are covered with columnar epithelium (containing microvilli) and goblet cells (for mucous secretion).

Answer 2

Villi

Question 3

Internal surface of Jejunum and Ileum:
Inside the each villus are the blood vessels and a
_____ (lymphatic capillary for absorption of
chylomicrons).

Answer 3

lacteal

Question 4

_____ are fats that have been absorbed and
combined with protein to make them soluble. They are
too large to enter blood capillaries and must enter the
lacteal and then from lymphatics go to the blood.

Answer 4

Chylomicrons

Question 5

_____ _____ - partial invagination of the

ileum into the cecum, producing two folds (frenula) that cover the passage of the ileum to the cecum.

Answer 5

Ileocecal Valve

Question 6

Appendix- a diverticulum attached to the
cecum with an _____ arterial branch
providing blood from the _____ artery.

Answer 6

appendicular; ileocolic

Question 7

Sensory (pain) fibers from appendix follow the sympathetics along the ___ spinal level.

Answer 7

T10

Question 8

Appendicitis: Pain is first located in _____ then to _____ _____ _____.

Answer 8

Umbilicus; Lower right quadrant

Question 9

Ascending Colon is a _____ structure.

Answer 9

Retroperitoneal

Question 10

Ascending Colon arterial supply is the _____ a. and MAINLY the _____ _____ arteries.

Answer 10

ileocolic; right colic

Question 11

Transverse Colon is a _____ structure

Answer 11

Intraperitoneal

Question 12

Transverse Colon arterial supply is MAINLY _____ _____ artery with the
_____ and _____ colics vascularizing the edges.

Answer 12

middle colic; right and left

Question 13

Descending Colon is a _____ structure.

Answer 13

Retroperitoneal

Question 14

Descending Colon arterial supply is MAINLY the _____ colic artery
from _____ _____artery.

Answer 14

left; inferior mesenteric

Question 15

Sigmoid Colon Arterial supply is the lower part of the _____ colic and MAINLY _____ arteries.

Answer 15

left; sigmoid

Question 16

Rectum arterial supply is the _____ rectal artery which is the terminal branch of the _____ _____ artery.

Answer 16

superior; inferior mesenteric

Question 17

Pancreas is a _____ organ that lies posterior to the stomach,
between the duodenum and the spleen.

Answer 17

Retroperitoneal

Question 18

The main/ major ______ duct begins at the tail of the pancreas and runs through the parenchyma (functional tissue) to the head where it exits and meets with the bile duct.

Answer 18

pancreatic

Question 19

Pancreatic and bile ducts meet as they form a short stalk called the _____ _____ _ _____ where they empty into the _____ portion of the duodenum.

Answer 19

hepatopancreatic ampulla of Vater; descending

Question 20

The Sphincter of _____ controls the flow of bile and pancreatic fluids into the duodenum.

Answer 20

Oddi