Erythroblastosis fetalis can be prevented during a second pregnancy in a Rh negative mother who is likely to carry a Rh positive fetus by:
1. | Administering anti – Rh antibodies to the mother just before the delivery of the second child |
2. | Administering Rh antigen to the mother just after the delivery of the first child |
3. | Administering Rh antigen to the mother just before the delivery of the second child |
4. | Administering anti – Rh antibodies to the mother just after the delivery of the first child |
When the heart beats, the familiar lub-dup
sound occurs as the valves of the heart _____.
1. open
2. close
3. expand
4. contract
During a cardiac cycle:
1. About 70 ml of blood is pumped by the two ventricles
2. The left atrium and the left ventricle contract simultaneously
3. More blood is pumped into the systemic than in pulmonary circulation
4. The atria contract prior to the ventricles
Which of the following statements is not correct about
ECG?
1. P wave represents atrial depolarisation.
2. QRS wave initiates ventricular contraction.
3. The end of T wave marks the end of ventricular
systole.
4. Q wave marks the beginning of atrial systole.
Hemolytic disease of the newborn (HDN) may occur in the feotus of a second pregnancy if:
1. The mother is and the baby is
2. The mother is and the baby is
3. The mother is and the baby is
4. The mother is and the baby is
Which of the following sequences best represents the pathway of an action potential through the Heart's conduction system?
(i) Sino-atrial (SA) node
(ii) Purkinje fibres
(iii) Bundle of His
(iv) Atrio-ventricular (AV) node
(v) Right and left bundle branches
1. (i),(iv),(iii),(ii),(v)
2. (iv), (i),(iii),(v),(ii)
3. (iii),(iv),(i),(ii),(v)
4. (i),(iv),(iii),(v),(ii)
Select the option having all the correct characteristics:
Structure | Percentage | Function | |
1. | 0.3-0.5 | Phagocytic | |
2. | 0.5-1.0 | Secrete histamine | |
3. | 30-40 | Defense against parasites | |
4. | 30-40 | Allergic reactions |
Match the vessels in Column-I with appropriate organs in Column-II:
Column-I |
Column-II |
||
(A) |
Hepatic portal vein |
(p) |
Heart’s blood system |
(B) |
Pulmonary trunk |
(q) |
Returns blood to the heart from lower limbs |
(C) |
Coronary circulation |
(r) |
Carries blood to the liver |
(D) |
Inferior vena cava |
(s) |
Leads to lungs |
1. (A)(r), (B)(s),(C)(p),(D)(q)
2. (A)(r),(B)(q),(C)(s),(D)(p)
3. (A)(s),(B)(p),(C)(r),(D)(q)
4. (A)(s),(B)(q),(C)(p),(D)(r)
Thrombokinase performs a specific function in human body
Choose the correct option
1. Thrombin Prothrombin
2. Fibrinogen Fibrin
3. Fibrin Fibrinogen
4. Prothrombin Thrombin
T-wave in electrocardiogram represents
1. The return of ventricles from excited to normal state.
2. Depolarisation of ventricles from normal to excited state.
3. Onset of atrial systole.
4. Onset of atrial diastole.