There is a possibility of exposure of the maternal blood [of Rh -ve mother] to small amounts of Rh +ve blood from the fetus during the:
1. First trimester of any pregnancy
2. Third trimester of the second pregnancy only
3. Delivery of the child
4. There is no such possibility
Congestion of the lungs is one of the main symptoms in:
1. Hypotension
2. Coronary artery disease
3. Angina
4. Heart failure
The right atria of the human heart receive:
1. Oxygenated blood
2. Deoxygenated blood
3. Arterial blood
4. Venous blood
The following is the diagrammatic representation of standard ECG. Identify the correct statement :
1. | P is caused by atrial repolarization. |
2. | Q, when present, always shows myocardial ischemia. |
3. | QRS complex is due to time taken by impulse from SA node to AV node. |
4. | T is caused by ventricular repolarization. |
In the given section of the human heart which part ensures that atria contact prior to the ventricles ?
1. A
2. B
3. C
4. D
The hepatic portal vein drains blood to liver from
(1) heart
(2) stomach
(3) kidneys
(4) intestine
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
(1) Erythrocytes
(2) Leucocytes
(3) Neutrophils
(4) Thrombocytes
Serum differs from blood in
(1) lacking globulins
(2) lacking albumins
(3) lacking clotting factors
(4) lacking antibodies
Doctors use a stethoscope to hear the sounds produced during each cardiac cycle. The
second sound is heard when
1. AV valves open up
2. Ventricular walls vibrate due to gushing in of blood from atria
3. Semilunar valves close down after the blood flows into vessels from ventricles
4. AV node receives the signal from SA node
Person with blood group AB is considered as universal recipient because he has
1. Both A and B antigens on RBC but no antibodies in the plasma
2. Both A and B antibodies in the plasma
3. No antigen on RBC and antibody in the plasma
4. Both A and B antigens in the plasma but no antibodies.