Abdomen Board Exam: Ch. 6 - Spleen

The splenic artery originates at the: a. superior mesenteric artery b. inferior phrenic artery c. celiac trunk d gastroduodenal artery

celiac trunk

The spleen removes irregular cells from the bloodstream through a process called: a. pitting b. culling c. crimping d. amassing

culling

All of the following are functions of the spleen EXCEPT: a. storage of iron b. defense against disease c. blood reservoir d. destruction of phagocytic cells

destruction of phagocytic cells

What is the most common sonographic appearance of a splenic hemangioma? a. echogenic b. hypoechoic c. anechoic d. complex

echogenic

The process of making red blood cells is termed: a. erythropoiesis b. leukopoiesis c. histopoiesis d. enemia

erythropoiesis

A 32-year- old female patient presents to the sonography department for an abdominal sonogram. An evaluation of the spleen reveals a 1 cm, rounded, echogenic mass that does not produce acoustic shadowing. What is the most likely diagnosis? a. pheochromocytoma b. lipoma c. splenic metastasis d. hemangioma

hemangioma

A 15-year-old male patient presents to the sonography department with a history of left sided trauma 5 years earlier. He currently has no LUQ discomfort. The sonographic findings of the spleen include a mass that contains calcification producing distinct posterior shadowing. What is the most likely diagnosis? a. splenic hemangioma b. splenic hamartoma c. splenic lymphangioma d. splenic hematoma

hematoma

A complex cyst that results from parasitic infestation of the spleen by a tapeworm is the: a. bacterial endocarditic cyst b. choledochal cyst c. hydatid cyst d. candidiasis

hydatid cyst

The spleen is a/an: a. intraperitoneal organ b. retroperitoneal organ

intraperitoneal

Which of the following is a benign lesion that is a congenital malformation of the lymphatic system: a. lymphangioma b. hemangioma c. angiosarcoma d. myeloma

lymphangioma

Small echogenic foci scattered throughout the spleen most likely represent: a. multiple benign hemangioma b. multiple benign hematomas c. multiple benign granulomas d. multiple lymphoma

multiple benign granulomas

A 35-year-old male patient presents to the sonography department for an abdominal sonogram with a history of abdominal pain and histoplasmosis. What are you more likely to identify within the spleen? a. multiple histomas b. multiple hemangiomas c. multiple metastatic lesions d. multiple granulomas

multiple granulomas

All of the following can be associated with splenomegaly EXCEPT: a. trauma b. hemolytic abnormalities c. mononucleosis d. pancreatitis

pancreatitis

What is the splenic process of cleaning red blood cells of unwanted material? a. pitting b. plucking c. culling d. coring

pitting

The most common cause of splenomegaly is: a. hepatitis b. portal hypertension c. lymphoma d. trauma

portal hypertension

The splenic vein marks the: a. posterior aspect of the pancreatic body and tail b. anterior aspect of the pancreatic body and tail c. medial surface of the pancreatic body and tail d. lateral surface of the pancreatic body and tail

posterior border of the pancreatic body and tail

The type of tissue within the spleen that is responsible for its phagocytic function is the: a. red pulp b. white pulp c. culling pulp d. pitting pulp

red pulp

Multiple, small echogenic foci scattered throughout the spleen in a patient with a history of toxoplasmosis most likely represent: a. sarcoidosis b. leukopoiesis c. lymphangiomas d. hemangiomas

sarcoidosis

What systemic disease results in the development of granulomas within the spleen and throughout the body: a. granulomatosis b. sarcoidosis c. sickle cell anemia d. Beckwith-Weidemann syndrome

sarcoidosis

Which of the following is a congenital anomaly in which the spleen is divided into two portions by a band of tissue? a. splenic infarct b. splenic cleft c. splenosis d. splenic impertecta

splenic cleft

A 14-year-old male patient presents to the sonography department after falling from his bicycle. An abdominal sonogram reveals a complex-appearing mass within the spleen. This most likely represents: a. splenic hemangioma b. splenic granuloma c. splenic hematoma d. splenic infarct

splenic hematoma

Where is the most common location of an accessory spleen? a. superior to the spleen b. medial to the diaphragm and left kidney c. splenic hilum d. anterior to the pancreatic body

splenic hilum

A 48-yea-old male patient with a history of severe, sudden onset of LUQ pain without trauma presents to the sonography department for a sonogram of the spleen. You visualize a wedge-shaped, hypoechoic area within the spleen. This most likely represents a: a. splenic infarct b. splenic hematoma c. splenic hemangioma d. splenic metastasis

splenic infarct

An area within the spleen that has become necrotic because of a lack of oxygen is referred to as: a. splenic hemangioma b. splenic hematoma c. splenic infarct d. granuloma

splenic infarct

A patient with a wandering spleen would have an increased risk for: a. splenic infection b. splenosis c. splenic carcinoma d. splenic torsion

splenic torsion

A 26-year-old patient with a long-standing history of multiple sickle cell crises and subsequent splenic infarctions presents to the sonography department for an abdominal sonogram. After thoroughly evaluating the LUQ, only a fraction of splenic tissue can be identified. This describes the process of: a. splenomegaly b. asplenia c. splenosis d. autosplenectomy

splenomegaly

A sickle cell crisis will often lead to: a. splenic metastasis b. sarcoidosis c. splenomegaly d. wandering spleen

splenomegaly

Diffuse involvement of lymphoma or leukemia of the spleen will often lead to: a. splenomegaly b. splenic atrophy c. Epstein-Barr infection d. splenic torsion

splenomegaly

Which of the following describe the implantation of ectopic splenic tissue possibly secondary to splenic rupture? a. splenosis b. polysplenia c. asplenia d. wandering spleen

splenosis

The splenic artery marks the: a. posterior aspect of the pancreatic body and tail b. superior aspect of the pancreatic body and tail c. medial surface of the pancreatic body and tail d. lateral aspecvt of the pancreatic body and tail

superior border of the pancreatic body and tail

The splenic vein joins with what structure posterior to the pancreatic neck to form the portal vein? a. inferior mesenteric artery b. superior mesenteric vein c. cephalic vein d. main hepatic vein

superior mesenteric vein

All of the following are true of the spleen except: a. it is the largest structure of the reticuloendothelial system b. the primary objective of the spleen is to filter the peripheral blood c. the spleen has a convex inferior margin and a concave superior border d. the spleen is considered the largest lymphatic organ

the spleen has a convex inferior margin and a concave superior border

The splenic hamartoma may be discovered more often in individuals with a history of: a. HIV b. splenic carcinoma c. tuberous sclerosis d. Meckel-Gruber syndrome

tuberous sclerosis

The type of tissue within the spleen that is responsible for its lymphatic function is the: a. red pulp b. white pulp c. culling segment d. sitting segment

white pulp

Which of the following children would least likely suffer from sickle cell anemia? a. African-American b. Caucasian c. Middle Eastern d. Mediterranean

Caucasian

In a patient with suspected lymphoma, the presence of Reed-Sternberg cells indicates: a. Hodgkin lymphoma b. non-Hodgkin c. metastatic liver disease d. splenic infarction

Hodgkin lymphoma

Epstein-Barr infection is best described as: a. a herpesvirus that can lead to infectious mononucleosis b. a herpesvirus that is often associated with splenic granulomatous disease c. an infection that results in sickle cell anemia in children d. an infection within a splenic hematoma following blunt trauma

a herpesvirus that can lead to infectious mononucleosis

A 25-year-old female patient presents to the sonography department for a complete abdominal sonogram. She complains of RLQ pain and nausea. The right upper abdomen appears normal. A small mass is noted in the area of the splenic hilum. The mass appears isoechoic to the spleen. What does this most likely represent? a. pancreatic cystadenocarcinoma b. splenic hemangioma c. accessory spleen d. neuroblastoma

accessory spleen

A rare malignant tumor of the spleen that consists of blood vessels is a/n: a. lymphoma b. angiosarcoma c. hemangioma d. granuloma

angiosarcoma

From the list below, what is the most likely clinical finding of a patient who has a splenic hemangioma? a. fever b. decreased hematocrit c. elevated white blood cells d. asymptomatic

asymptomatic