Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
The second heart sound during the cardiac cycle is produced by the:
Answer 4. Read page 285, XI NCERT
In a surface ECG the QRS complex represents:
Answer 3. Read page 286, XI NCERT.
A common symptom produced by myocardial ischemia is:
3. Read page 288, XI NCERT
A decrease in plasma albumin levels is likely to affect:
Answer 3. Read page 279, XI NCERT
An individual who is blood type AB negative
1. NCERT Page 280, Table 18.1
AB with respect to ABO system is universal recipient.
The first heart sound or the 'lubb' is produced:
(b) NCERT page 285. In the beginning of ventricular systole, the AV valves are simultaneously closed producing the first heart sound.
There is a possibility of exposure of the maternal blood [of Rh -ve mother] to small amounts of Rh +ve blood from the fetus during the:
Page 281, XI NCERT
Congestion of the lungs is one of the main symptoms in:
Page 288, XI NCERT
Choose the correct order for the steps of hemostasis:
Answer: 3
The right atria of the human heart receive:
Page 282, XI NCERT
The right atrium is one of the four chambers of the heart. It receives deoxygenated blood from the superior and the inferior vena cave whereas the left atrium receives oxygenated blood from the left and right pulmonary veins.
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