Blood pressure in the mammalian aorta is maximum during
1. systole of the left atrium
2. diastole of the right ventricle
3. systole ot the left ventricle
4. diastole of the right atrium
Which one of the following is correct?
1. Plasma = Blood - Lymphocytes
2. Serum = Blood + Fibrinogen
3. Lymph = Plasma + RBC + WBC
4. Blood = Plasma + RBC + WBC + Platelets
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.
How do parasympathetic neural signals affect the working of the heart?
1. Reduce both heart rate and cardiac output
2. heart rate is increased without affecting the cardiac output
3. Both heart rate and cardiac output increase
4. Heart rate decreases but cardiac output increases
The diagram given here is the standard ECG of a normal person. the P-wave represents
1. contraction of both the atria
2. initiation of the ventricular contraction
3. beginning of the systole
4. end of systole
Arteries are best defined as the vessels which
1. carry blood away from the heart to different organs
2. break up into capillaries which reunite to form a vein
3. carry blood from one visceral organ to another visceral organ
4. supply oxygenated blood to the different organs
Which one of the following statements is correct regarding blood pressure?
1. 100/55 mmHg is considered an ideal blood pressure
2. 105/50 mmHg makes one very active
3. 190/110 mmHg may harm vital organs like brain and kidney
4. 130/90 mmHg is considered high and requires treatment
A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid cetificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
(1) Type AB
(2) Type O
(3) Type A
(4) Type B
'Bundle of His' is a part of which one of the following organs in humans?
Examination of blood of a person suspected of having anaemia, shows large, immature,
nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the
following, is likely to alleviate his symptoms?
2. Folic acid and cobalamine
4. Iron compounds