The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is
1. 2. 3. 4. |
SA Node SA Node SA Node SA Node |
AV Node Purkinje fiber AV Node Purkinje fiber |
Purkinje fiber AV Node AV Bundle AV Bundle |
AV Bundle AV Bundle Purkinje fiber AV Node |
Agranulocytes responsible for the immune response of the body are:
1. basophils
2. neutrophils
3. eosinophils
4. lymphocytes
The second heart sound (dubb) is associated with the closure of
1. tricuspid valve
2. semilunar valve
3. bicuspid valve
4. tricuspid and bicuspid valve
Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?
1. QRS complex indicates atrial contraction.
2. QRS complex indicates ventricular contraction.
3. Time between S and T represents atrial systole.
4. P-wave indicates beginning of ventricular contraction.
Which of the following statements is incorrect?
1. | A person of ‘O’ blood group has anti ‘A’ and anti ‘B’ antibodies in his blood plasma. |
2. | A person of ‘B’ blood group can’t donate blood to a person of ‘A’ blood group. |
3. | Blood group is designated on the basis of the presence of antibodies in the blood plasma. |
4. | A person of AB blood group is universal recipient. |
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 mL ?
1. 360
2. 3600
3. 7200
4. 5000
Match the following columns.
Column I | Column II | ||
A. | Lymphatic system | 1. | Carries oxygenated blood |
B. | Pulmonary vein | 2. | Immune response |
C. | Thrombocytes | 3. | To drain back the tissue fluid to the circulatory system |
D. | Lymphocytes | 4. | Coagulation of blood |
Codes
A | B | C | D | |
1. | 2 | 1 | 3 | 4 |
2. | 3 | 1 | 4 | 2 |
3. | 3 | 1 | 2 | 4 |
4. | 2 | 1 | 3 | 4 |
Read the following statements and choose the correct option.
I: | Atria receive blood from all parts of the body which subsequently flows to ventricles. |
II: | Action potential generated at sino-atrial node passes from atria to ventricles. |
1. Action mentioned is statement I is dependent on action mentioned in Statement II
2. Action mentioned in statement II is dependent on action mentioned in Statement I
3. Action mentioned in statement I and II are independent of each other.
4. Action mentioned in statement I and II are synchronous.
Which one of the following blood cells is involved in antibody production.
1. B-lymphocytes
2. T-lymphocytes
3. RBC
4. neutrophils
Which of the following type of cells lack a nucleus?
1. Lymphocyte
2. Neutrophils
3. Eosinophils
4. Erythrocytes