1. Identify the blood vessel 'D' in this diagram.   Aorta   Superior vena cava   Inferior vena cava   Pulmonary Trunk   Hint Half-n-half Clue   2. Which of these does not cause an increase in pulse rate?   Fever   Sleep   Anxiety   Exercise   Hint       3. Sphygmomanometer is an instrument used to record   Respiratory rate   Blood pressure   Electrical activity of heart   Heart rate   Half-n-half Clue   4. This statement is true regarding platelets :   Platelets contain single nucleus.   Platelets contain many nuclei.   Platelets do not contain nucleus.   Platelets contain an ill-defined nucleus.   Hint       5. Bleeding time is prolonged in hemophilia.   True   False   6. Pulse rate in a healthy adult man is _______ beats / minute. (at rest)   62-66   72-78   86-90   90-94   Half-n-half Clue   7. This statement is not true :   Valves are present between auricles and ventricles to prevent backflow of blood.   Left side of the heart contains oxygenated blood.   Right ventricle pumps blood to various parts of the body.   Pulmonary veins carry oxygenated blood.   Hint