Find out the false statement about blood ?

1.	Special connective tissue	2.	Fluid matrix
3.	Fibre free matrix	4.	No formed elements

How much percentage of water present in plasma?

How much volume of blood each ventricle pumps out approximately during a cardiac cycle ?

1. 70 mL

2. 70 mL $\times$ 72 

3. 70 mL $\times$ 0.8

4. 70 mL $\times$2

During ventricular diastole, which of the following event take place earliest?

1. Closure of semilunar valve

2. Opening of cuspid valve

3. 'Lub' sound appears

4. Both 1 and 3

Which system of blood vessels is present in our body exclusively for the circulation of blood to and from the cardiac musculature?

P wave and QRS complex in ECG respectively represent:-

1. Atrial repolarization and Ventricular depolarization

2. Ventricular depolarization and Atrial repolarization

3. Atrial depolarization and Ventricular depolarization

4. Atrial depolarization and Ventricular repolarization

Read the following statements:-

How many statements are correct?

1. 2
2. 3
3. 4
4. 1

Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?

1. QRS complex indicates atrial contraction

2. QRS complex indicates ventricular contraction 

3. Time between S and T represents atrial systole

4. P-wave indicates the beginning of ventricular contraction

Which blood cell can secrete and transport heparin, histamin and serotonin?

Complete stoppage of heart beat is termed as