21. Blood is flowing in pulmonary vein is
22. Diastole of ventricles is
23. The wave representing of ventricles diastole is
24. Heart is known as double pump (circulation) because of
A. the right chamber push blood into lungs
B. left chambers push blood into the entire body
C. Heart receives impure blood from the body
D. both (a) and (b)
Answer : Option D
25. Effect of Nicotine on blood circulation
A. it mixes with blood
B. it contracts the arterial wall
C. it decrease the blood pressure
D. it decrease the carrying of oxygen to lungs
Answer : Option C
26. It decreasing the carrying of oxygen of Haemoglobin
27. Number of leucocytes is 1 cubic mm
28. It shows pulmonary circulation
A. Left atrium (Oxygenated blood) - Lungs (deoxygenated blood ) - Right atrium
B. Left atrium (deoxygenated blood ) - Lungs (oxygenated blood ) - Right atrium
C. Left atrium (Oxygenated blood )- Lungs (deoxygenated blood )- Left atrium
D. Right atrium (deoxygenated blood) - Lungs (oxygenated blood) - Left atrium
Answer : Option D
29. Systolic pressure of heart
30. SA - Node is located at
A. Left upper corner of the left atrium
B. Left lower corner of the left atrium
C. Right upper corner of the right atrium
D. Right lower corner of the right atrium
Answer : Option C