Body Fluids and Circulation

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?

1. Iron compounds
2. Thiamine
3. Folic acid and cobalamin
4. Riboflavin

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 will you not use for the purpose?

1. Test tube containing calcium bicarbonate
2. Chilled test tube
3. Test tube containing heparin
4. Test tube containing sodium oxalate.

Systemic heart refers to

1. the heart that contracts under stimulation from nervous system
2. left auricle and left ventricle in higher vertebrates
3. entire heart in lower vertebrates
4. the two ventricles together in humans.

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

1. atrioventricular bundle
2. Purkinje system
3. sino-atrial node
4. atrioventricular node.

Bundle of His is a network of

1. muscle fibres distributed throughout the heart walls
2. muscle fibres found only in the ventricle wall
3. nerve fibres distributed in ventricles
4. nerve fibres found throughout the heart.

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

1. B
2. O
3. AB
4. A.

Impulse of heart beat originates from

1. SA node
2. AV node
3. vagus nerve
4. cardiac nerve

Which of the following statements is true for lymph?

1. WBC + serum
2. Blood - RBCs and some proteins
3. RBCs + WBCs + plasma
4. RBCs + proteins + platelets

Continuous bleeding from an injured part of body is due to deficiency of

1. vitamin A
2. vitamin B
3. vitamin K
4. vitamin E.

What is correct for blood group O?

1. No antigens but both a and b antibodies are present
2. A antigen and b antibody present
3. Antigen and antibody both absent
4. A and B antigens and a, b antibodies present