b. Embolus C. Thrombus d. Platelet plug 10. Erythropoietin (EPO) causes a. Incre
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b. Embolus C. Thrombus d. Platelet plug 10. Erythropoietin (EPO) causes a. Increase in red blood cells b. Decrease in red blood cells c. Increase in white blood cells d. Increase in platelets 11. The h eart pumps about liters of blood a day: a. 1,000 b. 1,200 c. 3,000 d. 7,000_ 12. The pulmonary circuit: a. Sends oxygen poor blood to the heart b. Sends oxygen poor blood to cells c. Sends oxygen poor blood to lungs d. Brings oxygen rich blood from cells 13. When ventricular walls contract; Mitral valve opens & tricuspid valve closes b. a. Tricuspid valve opens & mitral valve closes c. d. Mitral and tricuspid valves close Mitral and tricuspid valves open 14. Impulses from vagus nerve to the heart a. b. c. d. Are sympathetic & decrease heart rate Are parasympathetic & increase heart rate Are parasympathetic & decrease heart rate Are sympathetic & increase heart rate 15. Which of following is not a branch of the aorta? Right coronary artery Pulmonary artery Left subclavian artery Left coronary artery a. b. c. d. 16. A sphygmomanometer measures: a. Clotting time b. Blood pressure c. Brain function d. Cardiac volume 17. In an EKG pattern, the P wave is caused by: a. b. c. Repolarization of ventricular nerves Repolarization of atrial nerves Depolarization of atrial nervesExplanation / Answer
10-) Erythropoetin is a hormone produced by kidney. It promotes the formation of red blood cells. Erythropoetin test is performed to detect medical conditions including anemia. hence option (a) increase in red blood cells.
11-) Heart pumps about 7000 litres of blood in a day. option (d). An adult human heart beats around 70 times a minute and pumps around 5 to 7 litres of blood in a minute, hence in a day around 7ooo to 72oo litres.
12-) The pulmonary circuit brings deoxygenated or oxygen poor blood to the lungs for gas exchange and changing blood to oxygen rich one and then to heart. Option (c) sends oxygen poor blood to the lungs.
13-) When ventricular walls contract (c) Mitral (bicuspid) and tricuspid valve closes.
14-) Impulses from the vagus nerve to the heart are (b) parasympathetic and decreases heart rate. Vagus is the 10th cranial nerve having so many nervous system functions.
15-) Which of the following is not branch of aorta (b) Pulmonary artery. Aorta supplies oxygenated blood from heart to rst of body through various arteries, while pulmonary artery carries deoxygenated blood from the heart to lungs for gaseous exchange.
16-) A Sphygmomanometer is an instrument used to measure (b) blood pressure. It is also known by the names as Blood pressure meter , or blood pressure monitor or gauge.
17-) In an EKG pattern the P wave is caused by (c) Depolarization of atrial nerves.
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