Spleen

Question 1

The spleen is part of which system?

Answer 1

Reticuloendothelial system

Question 2

The main function of the spleen is to

Answer 2

filter peripheral blood
(peripheral = limbs)
-red pulp filters the blood

Question 3

The spleen plays an important role in

Answer 3

defense against disease

Question 4

The spleen is often affected by

Answer 4

systemic disease processes

Question 5

The spleen lies in the

Answer 5

left hypochondrium

Question 6

The lower pole extends forward as far as the

Answer 6

midaxillary line

Question 7

The spleen is a ____peritoneal organ

Answer 7

intra

Question 8

splenorenal ligament

Answer 8

Spleen to the stomach & L. kidney

contact w/ the posterior peritoneal wall

Question 9

In contact with the _____ peritoneal wall

Answer 9

posterior

Question 10

Ligaments of the spleen

Answer 10

1. gastrosplenic
2. splenorenal
3. splenocolic
4. splenophrenic

Question 11

Reticuloendothelial system comprises of what organs and structures?

Answer 11

kidney, spleen, lymph nodes, bone marrow, connective tissue and blood

Question 12

The spleen is covered by

Answer 12

protective capsule - Peritoneum
except for hilum

Question 13

What are the tissue called inside of the lobules

Answer 13

pulp (white and red)

Question 14

a portion of the splenic capsule is adherent to?

Answer 14

the fused dorsal mesentery, anterior to the upper pole of the L. Kidney (bare area)

Question 15

Gastrosplenic ligament

Answer 15

spleen to stomach

2 layers of dorsal mesentery that separates the lesser sac posteriorly from the greater sac anteriorly

Question 16

Splenocolic ligament

Answer 16

peritoneal ligament connecting the splenic capsule to transverse colon

component of the greater omentum

Question 17

Splenophrenic ligament

Answer 17

spleen to diaphragm

fold of the peritoneum

Question 18

Mass in left upper quadrant may displace the spleen:

Answer 18

inferiorly

Question 19

Subclavian abscess, splenic cyst, left pleural effusion will displace the spleen:

Answer 19

caudal displacement

Question 20

volume loss in left lung, left lobe pneumonia, paralysis of the left hemidiaphragm or large intraabdominal mass will displace the spleen:

Answer 20

cephalic displacement

Question 21

wandering spleen

Answer 21

spleen that has migrated from its normal location in the LUQ

20 - 40 yr olds

Question 22

Splenic agenesis

Answer 22

the complete absence of the spleen

Question 23

polysplenia

Answer 23

multiple small accessory spleens rather than a single, full-sized, normal spleen

Question 24

accessory spleen

Answer 24

small nodule of splenic tissue found apart from the main body of the spleen

result of the fusion of separate splenic masses

Question 25

visceral heterotaxy

Answer 25

wrong spot anomalous placement or transportation of viscera or parts horizontal liver, malrotation of the gut, interruption of the inferior vena cava

Question 26

bilateral right-sidedness

Answer 26

no spleen (asplenia) two morphologic right lungs midline location of liver reversed position of AO and IVC anomalous pulmonary venous return horseshoe kidneys

Question 27

bilateral left-sidedness

Answer 27

2 spleens (patients don't survive) two morphologic left lungs left sided azygos biliary atresia no GB gastrointestinal malrotation cardiovascular abnormalitites

Question 28

situs solitus

Answer 28

normal arrangement of asymmetric body parts

Question 29

situs inversus

Answer 29

mirror image condition

Question 30

situs ambiguous

Answer 30

anatomy that falls in between situs solitus and situs inversus

Question 31

hematopoiesis

Answer 31

process of creating a wide variety of blood and bone marrow cells (erythrocytes, platelets, granulocytes, lymphocytes, monocytes) First few fetal months - spleen is hematopoietic by the close of the 5th fetal month, function has moved permanently in to the bone marrow

Question 32

The spleen lies between the

Answer 32

left hemidiaphragm and stomach

Question 33

contact with the spleen posteriorly

Answer 33

diaphragm, left pleura, left lung, ribs

Question 34

what lies inferior and medial to the spleen

Answer 34

left kidney

Question 35

medial surface of the spleen

Answer 35

stomach makes it hard to image the spleen bc stomach filled with gas and fluid

Question 36

Displacement of the spleen: SUPERIORLY

Answer 36

mass in L. kidney paralysis of diaphragm

Question 37

Displacement of the spleen: ANTERIORLY

Answer 37

mass in retroperitoneal cavity

Question 38

Displacement of the spleen: LATERALLY

Answer 38

stomach pancreas anything midline upper pole of L. kidney

Question 39

Displacement of the spleen: INFERIORLY

Answer 39

pleural left side mass - diaphragm subclavicalar abscess

Question 40

Displacement of the spleen: POSTERIORLY

Answer 40

stomach abdominal wall

Question 41

Displacement of the spleen: MEDIALLY

Answer 41

rib issues hematoma lateral to spleen

Question 42

white pulp

Answer 42

part of the immune system produces white blood cells WBC make antibodies - fight infection encapsulates bacteria

Question 43

red pulp

Answer 43

pitting & culling majority of spleen - 80% made up of cords - macrophages removal phagocytosis sequestration storage

Question 44

White pulp consists of

Answer 44

malpighian corpuscles - small nodular masses of lymphoid tissue attached to small arterial branches

Question 45

laboratory data

Answer 45

hematocrit bacteremia leukocytosis leukopenia thrombocytopenia

Question 46

hematocrit

Answer 46

percentage of RBC's per volume of blood abnormally low reading indicate internal bleeding or hemorrhage

Question 47

leukocytosis

Answer 47

increase in WBC's usually bc of infection after surgery, malignancies, leukemia

Question 48

thrombocytopenia

Answer 48

abnormal decrease in platelets internal hemorrhage

Question 49

bacteremia

Answer 49

presence of bacteria within the body possible sepsis w/ typical symptoms of fever + chills

Question 50

leukopenia

Answer 50

abnormal decrease in WB corpuscles may be secondary to certain medications for bone marrow disorder