Erythrocytes in humans are destroyed mainly in:

 
1. liver and spleen 2. heart and lungs
3. bone marrow 4. kidney

Subtopic:  Blood: General Description & RBC |
 95%
From NCERT
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The most common WBC under normal physiological conditions are:

1. Neutrophils 2. Macrophages
3. Monocytes 4. Lymphocytes
Subtopic:  Blood: White Blood Cells |
 84%
From NCERT
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Which of the following is the largest WBC?
1. neutrophils
2. monocytes
3. macrophages
4. lymphocytes

Subtopic:  Blood: White Blood Cells |
 54%
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In a normal ECG, The T wave represents:

1. ventricular depolarization 2. atrial repolarization
3. ventricular repolarization 4. atrial depolarization
Subtopic:  ECG & Coronary Artery Disease |
 81%
From NCERT
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A resting heart rate of fewer than 60 beats per minute is:
1. tachycardia
2. bradycardia
3. flutter
4. fibrillation

Subtopic:  Atherosclerosis, Hypertension & Ventricular Fibrillation |
 67%
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In blood, the component that is neither a blood cell, nor a clotting factor would be called:
1. plasma
2. lymph
3. serum
4. puss

Subtopic:  Blood: General Description & RBC |
 70%
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What is true for RBCs of mammals when compared to RBCs of other vertebrates?
1. They undergo erythropoiesis
2. They are capable of phagocytosis
3. They secrete antibodies
4. They are multinucleate

Subtopic:  Blood: General Description & RBC |
 62%
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The normal pacemaker of the human heart is the remnant [derivative] of:
1. chordate tendinae
2. bundle of His
3. conus arteriosus
4. sinus venosus

Subtopic:  Human Heart: Gross Anatomy |
 55%
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The chamber with the thickest musculature in the human heart would be:

1. the right atrium 2. the left atrium
3. the left ventricle 4. the right ventricle
Subtopic:  Human Heart: Gross Anatomy |
 83%
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The correct path of circulation of the blood in the human heart is represented by:

1. left atrium, left ventricle, lungs, right atrium, right ventricle, body
2. right atrium, right ventricle, lungs, left atrium, left ventricle, body
3. left atrium, left ventricle, right atrium, right ventricle, lungs, body
4. right atrium, lungs, right ventricle, left atrium, body, left ventricle
Subtopic:  Human Heart: Double Circulation |
 84%
From NCERT
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