The contraction of gall bladder is due to :
gastrin
secretin
enterogasterone
cholecystokinin
D.
cholecystokinin
Cholecystokinin is secreted by the duodenal epithelium. Stimulus for its secretion is the presence of fats in duodenum. Cholecystokinin stimulates gall bladder to release bile.
Blood pressure increases and heart rate decreases in response to :
exercise
haemorrhage
exposure to high altitude
increased intracranial pressure
'P' wave of ECG occurs before the:
onset of ventricular ejection
end of atrial contraction
begining of atrial contraction
none of the above
Which of the following layer of heart wall consists of cardiac muscles ?
Endocardium
Myocardium
Epicardium
All of these
Which of the following is the character of the bile juice?
It has trypsin
It has no enzyme
It has enterogasterone
It has tripophnomide