Human Physiolog...

Body fluid is classified into intracellular and extracellular fluids. Which of the following fluids is present in between the tissues?

The function of which of the following plasma proteins is to retain water in blood plasma?

a. Albumins
b. Fibrinogen
c. Prothrombin
d. Globulins

Which of the following granulocytes release heparin, serotonin and histamine and have usually three-lobed nucleus?

a. Basophils
b. Neutrophils
c. Eosinophils

Consider the following statements and choose the correct answer.

a. People having O blood group do not have A and B antigens on their red blood cells as their plasma has antibodies for both these antigens.
b. People having AB blood group have both antigens A and B on their red blood cells and their plasma has no antibodies for either of these antigens.

Blood is a mobile connective tissue and is the basis of life. Which of the following is/are the functions of blood?

During powerful ventricular contractions, which of the following prevent(s) the bicuspid and tricuspid valves from collapsing back into the atria?

In the human heart, which of the following receives the oxygenated blood from the lungs through two pairs of pulmonary veins?

There are successive stages of cardiac cycle. In which of the following stages do the ventricles begin to contract due to a wave of contractions stimulated by the AV node?

A normal ECG is composed of a P wave, a QRS wave and a T wave. Which of the following is a small upward wave that represents electrical excitation or the atrial depolarisation which leads to contraction of both the atria?

Lymphatic capillaries lie close to the blood capillaries. Which of the following statements about lymphatic capillaries is true?

Lymph is a colourless fluid and is a part of the tissue fluid. Which of the following is a characteristic of lymph?

There are three coats on the wall of an artery and a vein. Which of the following coats is/are mainly made up of elastic connective tissues and smooth muscle fibres and is/are thicker in an artery?

a. Tunica externa
b. Tunica media
c. Tunica interna

Which of the following arise(s) from the ascending aorta which supplies oxygenated blood to the heart muscle (myocardium)?

Spleen is soft, highly vascular and dark purple in colour and lies between the fundus of the stomach and the diaphragm. Which of the following is not a function of spleen?

Which of the following disorders of the circulatory system is a condition in which the heart muscle contracts very rapidly in an uncontrolled manner?