Deck 16: The Spleen

Question 1

COMPLETION
Assign the correct echogenicity: anechoic (A); low level echoes (B); medium echoes (C); and high level echoes (D).
Left renal cortex ____

Answer 1

C
The normal renal cortex demonstrates a medium level echo pattern that generally is slightly hypoechoic to the spleen.

Question 2

Which artery is a branch of the splenic artery?

A) Left gastric artery
B) Short gastric artery
C) Right gastroepiploic artery
D) Inferior mesenteric artery

Answer 2

B
The short gastric artery arises from the splenic artery and supplies the superior portion of the greater curvature of the stomach.

Question 3

The splenic artery arises from the

A) superior mesenteric artery.
B) common hepatic artery.
C) celiac artery.
D) proper hepatic artery.

Answer 3

C
The splenic artery (SPA) is one of three vessels that arise from the celiac artery (CA) (the other two branches are the left gastric artery and the common hepatic artery). The diameter of the SPA as it arises from the CA has been estimated to be 5.6 mm.

Question 4

COMPLETION
Assign the correct echogenicity: anechoic (A); low level echoes (B); medium echoes (C); and high level echoes (D).
Spleen ____

Question 5

At the hilum, the splenic artery branches into

A) two to four lobular arteries.
B) four to six lobular arteries.
C) two to four lobar arteries.
D) four to six lobar arteries.

Question 6

COMPLETION
Assign the correct echogenicity: anechoic (A); low level echoes (B); medium echoes (C); and high level echoes (D).
Splenic artery lumen ____

Question 7

COMPLETION
Assign the correct echogenicity: anechoic (A); low level echoes (B); medium echoes (C); and high level echoes (D).
Liver ____

Question 8

The spleen is a retroperitoneal organ. ____

Question 9

The spleen has a hilar area, similar to the liver and the kidneys. ____

Question 10

The spleen is highly vascular. ____

Question 11

The average volume of the adult spleen is about

A) 50 ml.
B) 200 ml.
C) 400 ml.
D) 600 ml.

Question 12

The spleen is anterior to the diaphragm and stomach. ____

Question 13

The spleen takes damaged cells out of circulation. ____

Question 14

The spleen lies in the epigastrium. ____

Question 15

The longest axis of the spleen is along the eighth rib. ____

Question 16

The normal splenic index is approximately

A) 51 to 153 cm3.
B) 155 to 450 cm3.
C) 450 to 750 cm3.
D) 107 to 314 cm3.

Question 17

The primary component of the white pulp is

A) Malpighian corpuscles.
B) epithelial cells.
C) red and pink pulp.
D) splenic cords.

Question 18

The spleen is posterolateral to the pancreatic tail and part of the large intestine. ____

Question 19

In an adult, the spleen is composed primarily of red blood cells. ____

Question 20

The hilar area of the spleen is not covered by peritoneum. ____