Block 3 lecture 1 chewing, swallowing, churning

Question 1

the gut is divided into 3 parts?

Answer 1

forgut, midgut and hind gut

Question 2

what makes up the roof of the mouth?

Answer 2

hard and soft pallate

Question 3

what muscle is the floor of the mouth?

Answer 3

mylohoid muscle

Question 4

what are the three pairs of salivary glands?

Answer 4

parotid, sublingual, submandibular

Question 5

which is the biggest gland?

Answer 5

parotid

Question 6

where does parotid gland open?

Answer 6

runs along masseter and opens near second upper molar

Question 7

where is the sublingual gland found?

Answer 7

under the tongue

Question 8

what are the four muscles of mastication?

Answer 8

temporalis, masseter, lateral pterrygoid, medial pterygoid

Question 9

what is the anterior fold running from the uvular?

Answer 9

palatoglossal fold

Question 10

what is the posterior fold running from the uvula called?

Answer 10

palatopharyngeal fold

Question 11

what is the space between the folds at the back of the mouth called?

Answer 11

tonsila fossa

Question 12

which tonsils does the tonsila fossa contain?

Answer 12

palatine tonsils

Question 13

at which cervical vertebrea does the pharynx end?

Answer 13

C6

Question 14

which cervical vertebrea does the oesophagus extend?

Answer 14

C6-C10

Question 15

how long is the oesophagus (cm)?

Answer 15

25cm

Question 16

what type of muscle is the upper oesophageal sphincter made out of?

Answer 16

circular skeletal muscle

Question 17

what happens to the upper oesophageal sphincter during swallowing?

Answer 17

relaxes

Question 18

what is the lower oesophageal sphincter made up of and what is it reinforced by?

Answer 18

smooth muscle, it is reinforced by the right diaphragmatic arus because it is weak and this prevents gastro oesophagus reflux

Question 19

what are the three anatomical constrictions of the oesophagus?

Answer 19

pharyngo oesophageal junction, tracheal bifurcation, gastro oesophageal junction

Question 20

what is the epithelial layer of the stomach?

Answer 20

simple columnar

Question 21

what is the arterial supply to the stomach?

Answer 21

coeliac trunk

Question 22

what are the fold in the stomach called and why do we have them?

Answer 22

rugea because the epithelium cant stretch

Question 23

in relation to the duodenum where is the pancreas found?

Answer 23

the pancreas is found in the curvature of the duodenum

Question 24

by what vessel and where does the duodenum recieve the common bile duct and the pancreatic duct?

Answer 24

hepatopancreatic ampulla and major duodenal papilla