physiology

Question 1

Lungs of a preterm infant have areas of atelectasis (pulmonary collapse). The main cause is:

Answer 1

1. Surfactant deficiency/
2. Surfactant excess
3. Diminished force of surface tension of lungs
4. Underdeveloped inspiration muscles
5. Increased viscous resistance

This is made out of phospholipids this line the walls of the alveoli. This prevents them from sticking together thus colapsing

Question 2

Secretion of which gastrointestinal hormones is primerily decreased in patient with removed duodenum?

Answer 2

1. Gastrin
2. Histamine
3. Gastrin and histamine
4. Neurotensin
5. Cholecystokinin and secretin/

The duodenum secretes Cholecystokinin this helps gall bladder contraction
, gastrointestinal mobility, pancreatic juice secretion

secretine enables pancreatic juice secretion

function of gall bladder (Your gallbladder is part of your digestive system. Its main function is to store bile. Bile helps your digestive system break down fats.)