1. Sphygmomanometer is an instrument used to record   Blood pressure   Respiratory rate   Heart rate   Electrical activity of heart   Hint Half-n-half Clue   2. Pulse rate in a healthy adult man is _______ beats / minute. (at rest)   62-66   72-78   86-90   90-94   Half-n-half Clue   3. Contraction of ventricles is known as diastole.   True   False   4. Identify the blood vessel 'A' in this diagram.     Carotid artery   Pulmonary artery   Inferior vena cava   Aorta   Half-n-half Clue   5. Due to presence of _______ , back flow of blood is prevented in veins.   Valves   Septa   Thick walls   Arteries   Half-n-half Clue   6. Identify the blood vessel 'D' in this diagram.   Superior vena cava   Inferior vena cava   Pulmonary Trunk   Aorta   Half-n-half Clue   7. This statement is not true :   Veins return blood from the various parts of the body to the heart.   All veins carry deoxygenated blood.   Veins contain valves.   Veins are thin-walled.   Hint