gastrointestinal system

Question 1

what does the gastrointestinal tract include?

Answer 1

head, neck, thorax, abdomen, and pelvis

Question 2

accessory digestive organs

Answer 2

teeth
tongue
salivary glands
liver
gall bladder
biliary tree
pancreas

Question 3

components of the small intestine

Answer 3

duodenum
jejunum
ileum

Question 4

components of the large intestine

Answer 4

caecum
ascending colon
hepatic flexure
transverse colun
splenic flexure
descending colon
sigmoid colon

Question 5

order of digestive organs food goes through from mouth to anus

Answer 5

mouth
pharynx
oesophagus
stomach
small intesting
large intestine / colon
appendix
rectum
anus

Question 6

the primitive gut tube is divided into what three regions

Answer 6

foregut
midgut
hindgut

Question 7

where does the foregut span?

Answer 7

extends from lower part of osesophagus to 2nd part of the duodenum

Question 8

where does the midgut span?

Answer 8

extends from the 2nd part of the duodenum to the distal third of the transverse colon

Question 9

where does the hindgut span?

Answer 9

extends from distal third of the transverse colon to the upper third of the anal canal

Question 10

what is the artery that the foregut receives?

Answer 10

coeliac trunk

Question 11

what is the artery that the midgut receives?

Answer 11

superior mesenteric artery

Question 12

what is the artery that the hindgut receives?

Answer 12

inferior mesenteric artery

Question 13

the splenic and superior mesenteric veins join to form the ______

Answer 13

portal vein

Question 14

the portal vein drains into the _____ taking the nutrients absorbed from the ______

Answer 14

liver
GIT

Question 15

venous blood from the _____ drains into the ________

Answer 15

liver
inferior vena cava

Question 16

lymphatic drainage of the digestive system from digestive organs to left subclavian / brachiocephalic vein

Answer 16

digestive organs
local lymph nodes
regional lymph nodes
intestinal trunk
cysterna chyli
thoracic duct
left subclavian / brachiocephalic vein

Question 17

lymph from foregut organs goes to the

Answer 17

coeliac nodes

Question 18

lymph from midgut organs go to

Answer 18

superior mesenteric nodes

Question 19

lymph from hindgut organs go to

Answer 19

inferior mesenteric nodes

Question 20

what NS is the digestive system innervated by?

Answer 20

ANS

Question 21

the PNS _____ digestive function

Answer 21

increases

Question 22

the SNS ____ digestive function

Answer 22

slows down

Question 23

(in PNS innervation) the foregut and midgut organs are supplied by _____ nerve

Answer 23

vagus

Question 24

(in PNS innervation) hindgut organs are supplied by the _____

Answer 24

pelvic splanchnic nerves

Question 25

(in PNS innervation) nerve cell bodies of ______ganglionic neurones located in the walls of the GIT in the ______ plexus

Answer 25

post myenteric

Question 26

(in SNS innervation) ____ganglionic fibres from _____ nerves

Answer 26

pre splanchic

Question 27

(in SNS innervation) synpases are in ______ ganglion

Answer 27

prevertebral

Question 28

(in SNS innervation) ____ganglionic neurone goes to _____ organ

Answer 28

post effector

Question 29

what splanchnic nerve synapses the foregut and in what ganglion?

Answer 29

greater splanchnic nerve to the coeliac ganglion

Question 30

what splanchnic nerve synapses the midgut and in what ganglion?

Answer 30

lesser splanchnic nerve in the superior mesenteric ganglion

Question 31

what splanchnic nerve synapses the hindgut and in what ganglion?

Answer 31

lumbar splanchnic nerve in the inferior mesenteric ganglion

Question 32

from what levels does the foregut arise?

Answer 32

T5-T9

Question 33

from what levels does the midgut arise?

Answer 33

T10-T11

Question 34

from what levels does the hindgut arise?

Answer 34

L1-L2

Question 35

what are the two types of sensory information transmitted from the digestive system?

Answer 35

reflex afferents (e.g. stretch) pain afferents

Question 36

reflex afferents are transmitted to ____ in ______ pathways - via the ____ nerve

Answer 36

CNS parasympathetic vagus

Question 37

pain afferents are transmitted to the ____ in ________ pathways in ____, _____, and _____ splanchnic nerves

Answer 37

CNS sympathetic greater, lesser, and lumbar

Question 37

pain from the foregut is carried by the ______ splanchnic nerve to spinal cord segments _______ - ______

Answer 37

greater T5-T9

Question 38

pain from the foregut is therefore perceived in the ______ region

Answer 38

epigastric

Question 39

pain from the midgut is carried by the ______ splanchnic nerve to the spinal cord segments __ - ____

Answer 39

lesser T10 T11

Question 40

pain from the midgut is perceived in the _____ region

Answer 40

umbilical

Question 41

pain from the hindgut is carried by the ______ splanchnic nerve to spinal cord segments __ - ___

Answer 41

L1 and L2

Question 42

pain from the hindgut is perceived in the ______ region

Answer 42

hypogastric