Which blood cell can secrete and transport heparin, histamin and serotonin?

1. Acidophil

2. Basophil

3. Neutrophil

4. Monocyte

Subtopic:  Blood: White Blood Cells |
 92%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 the beginning of ventricular contraction

Subtopic:  ECG & Coronary Artery Disease |
 93%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Read the following statements:-

(1) Lymph is devoid of RBC
(2) Exchange of nutrients, gasses etc, between blood and the tissue cell always occur through the lymph
(3) Tissue fluid is also called as lymph.
(4) Lymph is a colourless fluid containing all types of WBCs which are responsible for the immune response of the body.

How many statements are correct?

1. 2

2. 3

3. 4

4. 1

Subtopic:  Lymph |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Find out the false statement about blood ?

1. Special connective tissue

2. Fluid matrix

3. Fibre free matrix

4. No formed elements 

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 84%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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How much percentage of water present in plasma?

1. 6-8%

2. 90-92%

3. 8-10%

4. 55%

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 90%
From NCERT
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How much volume of blood each ventricle pumps out approximately during a cardiac cycle ?

1. 70 mL

2. 70 mL × 72 

3. 70 mL × 0.8

4. 70 mL ×2

 

Subtopic:  Human Heart: Cardiac Cycle |
 56%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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During ventricular diastole, which of the following event take place earliest?

1. Closure of semilunar valve

2. Opening of cuspid valve

3. 'Lub' sound appears

4. Both 1 and 3

Subtopic:  Human Heart: Cardiac Cycle |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which system of blood vessels is present in our body exclusively for the circulation of blood to and from the cardiac musculature?

1. Portal system 

2. Shunting

3. Coronary system

4. Double circulation 

Subtopic:  Human Heart: Double Circulation |
 67%
From NCERT
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P wave and QRS complex in ECG respectively represent:-

1. Atrial repolarization and Ventricular depolarization

2. Ventricular depolarization and Atrial repolarization

3. Atrial depolarization and Ventricular depolarization

4. Atrial depolarization and Ventricular repolarization

Subtopic:  ECG & Coronary Artery Disease |
 89%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Find the odd statement

1. SA node generates the maximum number of action potential per minute so it sets the pace of the activities of the heart

2. About 70ml of blood in pumped out by each ventricle during a cardiac cycle is stroke volume

3. Heart is autoexcitable, its function can be moderated by neural and hormonal mechanisms

4. Systemic heart includes the right ventricles and left atrium

Subtopic:  Human Heart: Double Circulation |
 75%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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