1.	Identify the blood vessel ‘A’ in this diagram.
	Aorta   Pulmonary artery   Inferior vena cava   Carotid artery
2.	Bleeding time is prolonged in hemophilia.
	False   True
3.	Which of these is not true regarding hemoglobin?
	Percentage of hemoglobin in a healthy young man is 10 – 12 gm%.   It is found in RBCs.   It carries oxygen.   Its deficiency leads to anemia.
4.	Which blood vessels carry blood from heart to various parts of the body?
	Capillaries   Veins   All of these   Arteries
5.	Due to presence of ______ , back flow of blood is prevented in veins.
	All of these   Thick walls   Septa   Valves