GORD

Question 1

What is GORD?

Answer 1

Gastro-oesophageal reflux disease

Question 2

Function:
Mouth
Tongue
Saliva
Palate
Tonsils
Teeth
Oesophagus

Answer 2

Early digestion – mouth
Taste – tongue
Saliva – enzymes, antibacterial, pH control, taste, lubrication
Palate – press against to aid digestion
Tonsils – immunity, lymph
Teeth – digestion
Oesophagus = passage

Question 3

What is oesophagus made of?
What supplied by?

Answer 3

Upper 1/3- skeletal muscle
- superior laryngeal and recurrent laryngeal nerve
Lower 2/3- smooth muscle
- enteric nervous system

Question 4

What process moves food?

Answer 4

Peristaltic waves

Question 5

What is at entrance to stomach?

Answer 5

Cardiac sphincter- control entry into cardia

Question 6

State cause GORD?

Answer 6

Poor oesophageal motility
Cardiac sphincter wakened- less pressure fluid move

Question 7

What is common cause of stomach ulcer?

Answer 7

Helicobacter pylori- damage protective mucous layer
H. pylori multiply in the mucus layer of the stomach lining
Secrete enzyme called urease converts urea to ammonia
Ammonia protects bacteria from stomach acid

Question 8

Function mucous cell?

Answer 8

Produce HC03-
Protective lining and buffer against HCl

Question 9

Outline acid production? (equation)

Answer 9

CO2 + H2O ↔ H2CO3 ↔ HCO3- + H+

Question 10

Answer 10

Question 11

Function CCK?

Answer 11

Stimulate gallbladder contract and release stored bile into intestine
Stimulate secretion pancreatic juice

Question 12

What releases CCK?

Answer 12

I cells- upper SI in response fat and protein

Question 13

Answer 13