Multiple Choice QuestionsWhich of the following layer of heart wall consists of cardiac muscles ?
Endocardium
Myocardium
Epicardium
All of these
If heart beats 75 beats/min. then what is time for cardiac cycle ?
0.5 sec
0.8 sec
1 sec
1.5 sec
Blood pressure increases and heart rate decreases in response to :
exercise
haemorrhage
exposure to high altitude
increased intracranial pressure
D.
increased intracranial pressure
Intracranial pressure (ICP) is a measurement of the pressure of brain tissue and the cerebrospinal fluid that cushions and surrounds the brain and spinal cord. It is used to monitor the health of the brain after an injury.
If intracranial pressure is rapidly increased, the cerebral blood flow is. The increase in intracranial pressure stimulates the vasomotor centre and increases systemic blood pressure. It means blood pressure increases and heart rate decreases.
'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 is the character of the bile juice?
It has trypsin
It has no enzyme
It has enterogasterone
It has tripophnomide
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