To begin the blood clot formation cascade, the enzyme complex required is:

1. Thromboxane A2 2. Thrombin
3. Thrombokinase 4. Heparin

Subtopic:  Blood: Blood Clotting |
 84%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group:

1. A and O 2. AB, A, B and O
3. B and O 4. Only O
Subtopic:  Blood: Blood Group (A,B,O) | Blood: Blood Group |
 90%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


In the nodal tissue of the human heart, a conduction delay is seen in:

 
1. SA node 2. AV node
3. AV bundle 4. Purkinje fibers
Subtopic:  Rhythmic Excitation of Human Heart: Part 1 | Rhythmic Excitation of Human Heart: Part 2 |
 60%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

All vertebrates posses a:

1. muscular chambered heart 2. renal portal system
3. nucleated RBC 4. double circulation
Subtopic:  Human Heart: Gross Anatomy |
 85%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


To prevent eryhtroblastosis fetalis in future pregnancies:

1. Anti-Rh Immunoglobulins must be given to Rh –ve mothers at the time of each delivery
2. Anti-Rh Immunoglobulins must be given to new born at the time of each delivery
3. Rh Antigens must be given to new born at the time of each delivery
4. Anti Antigens must be given to Rh –ve mothers at the time of each delivery
Subtopic:  Blood: Blood Group (A,B,O) | Blood: Blood Group | Blood: Blood Clotting |
 85%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Another name for lymph would be:

 
1. Extra-cellular fluid 2. Tissue fluid
3. Plasma ultrafiltrate 4. Serous fluid
Subtopic:  Lymph |
 76%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

During ventricular contraction in a cardiac cycle:

1. the AV valves close earlier than the opening of semi lunar vales
2. the AV valves close earlier than the closure of semi lunar vales
3. the AV valves close later than the opening of semi lunar vales
4. the closure of AV valves and opening of semi lunar valves occur simultaneously
Subtopic:  Human Heart: Double Circulation |
 62%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The first heart sound is heard during:

1. beginning of ventricular systole
2. end of ventricular systole
3. atrial systole
4. ventricular ejection
Subtopic:  Human Heart: Cardiac Cycle |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Match the plasma proteins in Column I with their function in Column II and select the correct answer from the codes given:

Column I Column II
A. Albumins a. Hemostasis
B. Globulins b. Transport carriers and immunity
C. Fibrinogen c. Colloid osmotic pressure

Codes

A B C
1. a b c
2. a c b
3. b a c
4. c b a
Subtopic:  Blood: General Description & RBC |
 87%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Match each item in Column I with one in Column II and select the correct answer from the codes given:

COLUMN I COLUMN II
A. Mitral valve a. Allows blood flow from left atrium to left ventricle
B. Papillary muscles b. Does not allow back opening of AV valves during ventricular systole
C. AV node c. Ensure all chambers do not contract simultaneously
D. Fibrous band between atrial and ventricular muscle mass d. Ensures atria contract before ventricles

Codes

A B C D
1. a b c d
2. b a c d
3. b a d c
4. a b d c
Subtopic:  Human Heart: Gross Anatomy |
 56%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.