Identify the incorrectly matched pair:

1.	Plasma protein	–	6 to 8 %
2.	Formed elements	–	55% of the blood
3.	Hemoglobin	–	12 to 16 gm in 100 ml of blood
4.	Platelets	–	150000 to 350000 mm-3

When anti B antibodies are present in the plasma and A antigens on the surface of RBCs of a person, her blood group can be:

Inter-atrial septum in the human heart is:

The second heart sound [dub] is associated with simultaneous closure of:

The least common of WBCs in the human blood are:

The enzyme that activates fibrinogens in the blood is:

Which of the following recordings of blood pressure in a healthy person will be considered as normal?

The period of systole is represented on surface ECG as between:
1. Beginning of P wave and beginning of Q wave
2. End of S wave and beginning of T wave
3. Shortly after Q wave and end of the T wave
4. Two successive R waves

Identify the incorrectly matched pair:
1. Average duration of a cardiac cycle: 0.8 sec
2. Stroke volume of each ventricle: 120 ml
3. Highest normal systolic blood pressure: 140 mm Hg
4. Highest normal diastolic blood pressure: 90 mm Hg

A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group: