1.	Identify the blood vessel ‘A’ in this diagram.
	Aorta   Pulmonary artery   Inferior vena cava   Carotid artery
2.	Contraction of ventricles is known as diastole.
	True   False
3.	Which of these is not true regarding hemoglobin?
	It carries oxygen.   It is found in RBCs.   Its deficiency leads to anemia.   Percentage of hemoglobin in a healthy young man is 10 – 12 gm%.
4.	Identify the blood vessel ‘D’ in this diagram.
	Pulmonary Trunk   Superior vena cava   Aorta   Inferior vena cava
5.	Which of these does not cause an increase in pulse rate?
	Exercise   Anxiety   Fever   Sleep
Hint Dica