THE SPLEEN DMS 114

Assign the correct echogenicity: anechoic (A); low level echoes (B); medium echoes (C); and high level echoes (D). 1. Spleen ____ 2. Left renal cortex ____ 3. Liver ____ 4. Splenic artery lumen ____

1. C 2. C 3. C 4. A

The normal splenic index is approximately?

107 to 314 cm^3

The average volume of the adult spleen is about?

200 ml

The splenic artery arises from the?

Celiac Artery

All of the following are functions of the spleen except: A. production of plasma cells. B. production of lymphocytes. C. destruction of red blood cells. D. destruction of white blood cells

Destruction of red blood cells.

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

FALSE

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

FALSE

TRUE/FALSE The spleen is a retroperitoneal organ. ____

FALSE

TRUE/FALSE The spleen is anterior to the diaphragm and stomach. ____

FALSE

TRUE/FALSE The spleen lies in the epigastrium. ____

FALSE

The normal sonographic appearance of the splenic parenchyma is:

Homogeneous and similar to the liver.

The primary component of the white pulp is?

Malpighian corpuscles

When accessory spleens are present, they are usually located:

Near the hilum of the spleen.

The splenic vein courses along the posterior border of the:

Pancreas

The spleen is variable in size and is considered to be all of the following except: A. tetrahedral. B. pentagonal. C. triangular. D. orange segment

Pentagonal

The best patient position to evaluate the spleen is:

Right decubitus

Which artery is a branch of the splenic artery?

Short gastric Artery

Lymph nodes emerge from the splenic hilum and course along the:

Splenic Artery

The spleen has two components joined at the hilum; they are the ______________ and ______________ components.

Superomedial; inferolateral

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

TRUE

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

TRUE

TRUE/FALSE The spleen is highly vascular. ____

TRUE

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

TRUE

TRUE/FALSE The spleen takes damaged cells out of circulation. ____

TRUE

Which one of the following statements describes the correct anatomic location of structures adjacent to the spleen? A. The diaphragm is anterior, lateral, and inferior to the spleen. B. The fundus of the stomach and lesser sac are medial and posterior to the splenic hilum. C. The left kidney lies inferior and medial to the spleen. D. The right adrenal and kidney lie superior to the spleen.

The left kidney lies inferior and medial to the spleen.

Which one of the following statements about the spleen is false? A. The spleen lies inferior to the diaphragm. B. The normal adult spleen measures approximately 7 cm in width. C. The spleen is located within the retroperitoneum. D. The spleen lies posterior to the hypochondrium.

The spleen is located within the retroperitoneum.

The major function of the spleen is:

To filter the peripheral blood.

At the hilum, the splenic artery branches into?

Two to four lobar arteries

A spleen that has migrated from its normal location is termed a(n):

Wandering spleen