Q.1
The phrase "graveyard of RBC" is used for
  • Liver
  • Spleen
  • Bone marrow
  • Heart
Q.2
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one donor friend at once offers his blood. What was the blood group of the donor?
  • Blood Group B
  • Blood group AB
  • Blood group O
  • Blood group A
Q.3
Which one of the following organ are often called as "graveyard" of RBC
  • Gall bladder
  • Kidney
  • Liver
  • Spleen
Q.4
Blood pressure in mammalian Aorta is maximum during.
  • Systole of the left ventricle
  • Diastole of the right atrium
  • Systole of the left atrium
  • Diastole of the right ventricle
Q.5
In mammals, which blood vessel would normally carry the largest amount of urea?
  • Hepatic vein
  • Hepatic portal vein
  • Renal vein
  • Dorsal aorta
Q.6
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
  • Erythrocyte
  • Leucocyte
  • Neutrophils
  • Thrombocytes
Q.7
Adult human RBCs are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature?They do not need to reproduceThey are somatic cellsThey do not metaboliseAll their internal space is available for oxygen transport.
  • Only 1
  • 1, 3 & 4
  • 2 & 3
  • only 4
Q.8
Doctors use stethoscopes to hear the sound produced during each cardiac cycle. The second sound is heard when
  • AV nodes receives signal from SA node
  • All valves open up
  • Ventricular walls vibrate due to gushing in of blood from atria
  • Semilunar valves close down after blood flows into vessels from ventricles
Q.9
The neural center that regulates cardiac activity through ANS is located in:
  • Cerebrum
  • Hypothalamus
  • Pons
  • Medulla
Q.10
Lymph (tissue fluid) is composed of
  • Plasma
  • Large proteins
  • Formed elements
  • All of them
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