What is the percentage of proteins in plasma?

1.	10%	2.	7%
3.	25%	4.	92%

The colloid osmotic pressure in the human blood is largely due to:

Antibodies are mostly:
1. alpha globulin
2. beta globulin
3. albumin
4. gamma globulin

Identify a procoagulant amongst the following:
1. heparin
2. antithrombin
3. vitamin K
4. t-PA

The risk of the fetus developing hemolytic disease of the new born is present in:
1. any Rh+ fetus
2. second Rh- fetus of Rh+ mother
3. second Rh+ fetus of Rh- mother
4. Rh- mother

The volume of blood being pumped by the heart, in particular by the left or right ventricle, per unit time is called as:

QRS complexes on the ECG tracings show that:
1. The atria are depolarizing.
2. The ventricles are depolarizing.
3. The ventricles are repolarizing.
4. The heart is at rest.

The aortic semilunar valve prevents blood from returning to the _____.

In the nodal tissue of the human heart the last to get activated is/are:
1. SA node
2. AV node
3. AV bundle
4. Purkinje fibers

The central cardiac control region is in the _____ of the brain.