#1
Which blood cell is responsible for carrying oxygen to the body tissues?
Red blood cell
ExplanationRed blood cells contain hemoglobin which binds to oxygen.
#2
What is the primary function of white blood cells in the body?
Fighting infections
ExplanationWhite blood cells protect the body by combating pathogens.
#3
What does the term 'Hematology' refer to in the medical field?
Study of blood
ExplanationHematology focuses on the study of blood and blood-related disorders.
#4
Which blood cell is responsible for the immune response and defense against infections?
White blood cell
ExplanationWhite blood cells actively combat pathogens to protect the body from infection.
#5
Which blood type is considered the 'universal recipient'?
AB
ExplanationType AB individuals can receive transfusions from any blood type.
#6
Which medical procedure is used to examine the inside of blood vessels?
Angiography
ExplanationAngiography involves imaging blood vessels using contrast material.
#7
What is the normal range of platelet count in a healthy adult?
150,000 to 450,000 per microliter
ExplanationPlatelets within this range maintain proper clotting function.
#8
What is the lifespan of a red blood cell in the human body?
120 days
ExplanationRed blood cells live for about 120 days before being removed by the spleen.
#9
Which component of blood is responsible for initiating the clotting process?
Platelets
ExplanationPlatelets aggregate at injury sites to form blood clots.
#10
In the ABO blood typing system, which antibodies does blood type A have in the plasma?
Anti-A antibodies
ExplanationBlood type A individuals possess antibodies against the B antigen.
#11
Which blood type is known as the 'universal donor'?
O
ExplanationType O blood can be transfused to recipients of any blood type.
#12
Which blood disorder is characterized by a deficiency of red blood cells or hemoglobin?
Anemia
ExplanationAnemia results in decreased oxygen-carrying capacity of the blood.
#13
What is the process of separating blood components using a machine called?
Apheresis
ExplanationApheresis selectively removes specific blood components for therapeutic purposes.
#14
What is the function of a bone marrow transplant in medical treatment?
To cure leukemia
ExplanationBone marrow transplant replaces diseased marrow with healthy stem cells to treat leukemia.
#15
Which blood component plays a crucial role in maintaining blood pressure and volume?
Plasma
ExplanationPlasma comprises water, electrolytes, and proteins essential for fluid balance and circulation.