Body Fluids and Its Circulation

A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What...

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?

Which two of the following changes (i \(-\) iv) usually tend to occur in the plain dwellers when they move to high altitudes (3, 500 m or more)?
(i)  Increase in red blood cell size
(ii)  Increase in red blood cell production
(iii)  Increas...

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

The haemoglobin content per 100 ml of blood of a normal healthy human adult is

Given below are four statements (i-iv) regarding human blood circulatory system.
(i)  Arteries are thick-walled and have narrow lumen as compared to veins.
(ii)  Angina is acute chest pain when the blood circulation to the brain is reduced....

Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the

Compared to blood our lymph has

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

There is no DNA in

Globulins contained in human blood plasma are primarily involved in

In humans, blood passes from the post caval to the diastolic right atrium of heart due to

The most active phagocytic white blood cells are

Which type of white blood cells are connected with the release of histamine and the natural anticoagulant heparin?

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?

Which one of the following has an open circulatory system?

You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes.
which of these you will not use for the purpose.

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of

In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be

Bundle of His is a network of

Which of the following statements is true for lymph?

Impulse of heart beat originates from

What is correct for blood group O?

Which statement is true for WBC?

In which point, pulmonary artery is different from pulmonary vein?

Differennce between pulmonary artery and pulmonary vein is that, the pulmonary artery has