Lymphatics and Autonomics of the Abdomen

Question 1

What drains into celiac nodes?

Answer 1

Gastric nodes

Gastro-omental nodes

Pancreaticosplenic nodes

Hepatic nodes

Pyloric nodes

Question 2

Cystic nodes drain into

Answer 2

Hepatic nodes

Question 3

Bare area of the liver drains into

Answer 3

Inferior phrenic nodes

Question 4

Pancreaticoduodenal nodes drain into

Answer 4

Pyloric nodes

Question 5

Describe pathway of drainage into superior mesenteric nodes

Answer 5

Juxtaintestinal nodes –> mesenteric nodes –> superior central nodes –> SM nodes

Question 6

What drains into superior central nodes?

Answer 6

Ileocolic nodes

Right colic nodes

Middle colic nodes

Question 7

Paracolic nodes drain into

Answer 7

Right and middle colic nodes

Question 8

Appendicular nodes drain into

Answer 8

ileocolic nodes

Question 9

Describe drainage into inferior mesenteric nodes

Answer 9

Paracolic nodes drain into Left colic or sigmoidal nodes which then drain into the IM node

Question 10

Describe drainage from the lower limbs/pelvis

Answer 10

Superficial inguinal –> deep inguinal –> external iliac –> common iliac –> lateral aortic

Question 11

Greater splanchinic nerves carry preganglionic sympathetics from

Answer 11

T5-T9

Question 12

Lesser splanchinic nerves carry preganglionic sympathetics from

Answer 12

T10-T11

Question 13

Greater and lesser splanchinic nerves contribute to ___ plexuses (3)

Answer 13

Celiac

Superior mesenteric

Aorticorenal

Question 14

Least splanchinic nerve carries preganglionic sympathetics from ___ and contributes to ___ plexus

Answer 14

From T12

Contributes to aorticorenal plexus

Question 15

Lumbar splanchnic nerves carry preganglionic sympathethics from

Answer 15

L1-L5

Question 16

Lumbar splanchinic nerves contribute to ___ plexues

Answer 16

inferior mesternic

superior hypogastic

Question 17

Hypogastic nerves carry ___ into plevis and form __ plexus

Answer 17

Carry preganglionic sympathetics

Form the majority of the inferior hypogastric plexus

Question 18

General functions of sympathethic vs parasympathetic postganglionic fibers

Answer 18

Sympathetic: dilation of blood vessels, increase sweat, close sphincters

Parasympathethic do the opposite

Question 19

Difference between cardiopulmonary splanchnic nerve vs. abdominopelvic splanchnic nerves

Answer 19

Postganglionic fibers in cardiopulmonary splanchnic

Preganglionic fibers in abdominopelvic

Question 20

Least thoracic splanchinic nerves carry preganglionic sympathethics from

Answer 20

T12

Question 21

Vagus nerve carries

Answer 21

perganglionic parasympathethics

Question 22

Function of preganglionic parasympatehthics from the vagus nerve

Answer 22

Decreases heart rate

Decreases contractile force

Constriction of coronary artreries

Consrict bronchioles

Increase peristalsis

Question 23

Function of postganglionic sympathethics from pulmonary splanchnic nerves

Answer 23

Dilate bronchioles

Inhibit glandular ssecretion