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Chapter 29. Spleen

Which of the following is true about the spleen?

A. The red pulp of the spleen is normally a significant contributor to red blood cell hematopoiesis.

B. The spleen’s venous drainage is evenly divided between the splenic vein and direct branches of the left renal vein.

C. The outer capsule of the spleen is a continuous sheet of smooth muscle.

D. The gastrosplenic ligament carries the short gastric vessels.

E. Normally, 80% of the platelet cell mass is sequestered in the spleen.

The correct answer is D. The gastrosplenic ligament carries the short gastric vessels.

Indications for splenectomy can include

A. Vascular disease

B. Splenomegaly associated with infection

C. Hereditary spherocytosis

D. Both A and C

E. A, B, and C

The correct answer is D. Both A and C

Postsplenectomy sepsis

A. Only occurs within 1 year of operation

B. Is at greatest risk in young children

C. Is associated with residual accessory splenules

D. Is more often lethal in adults than children

E. Is more common after splenectomy for trauma than for other indications

The correct answer is B. Is at greatest risk in young children

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