Practice free Body Fluids and Circulation (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
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.
In mammals, which blood vessel would normally carry largest amount of urea?
(b) Urea is synthesized in liver. So, maximum amount of urea is present in hepatic vein and minimum in renal vein
Blood pressure in the pulmonary artery is
(b) Blood pressure in different blood vessels:
Artery>Arteriole>Capillary>Venule>Vein (vena cava)
The pulmonary arteries have thicker smooth muscle and connective tissue than the pulmonary veins to accommodate the higher pressure and speed of blood.
Doctors use a stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
(c) In healthy adults, there are two normal heart sounds often described as lubb and dup. These are the first heart sound and second heart sound produced by the closing of the AV valves and semilunar valves respectively.
Blood pressure in the mammalian aorta is maximum during
(c)
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