#1
Which blood cell is responsible for oxygen transport?
Red blood cell
ExplanationCarries oxygen to tissues and organs.
#2
Which organ is responsible for the production of red blood cells?
Bone marrow
ExplanationSite of red blood cell synthesis.
#3
What is the primary function of white blood cells in the body?
Immune defense
ExplanationFight against pathogens and infections.
#4
Which component of blood is responsible for maintaining water balance in the body?
Plasma
ExplanationRegulates fluid levels and electrolyte balance.
#5
What is the function of the sinoatrial (SA) node in the heart?
Conduction of electrical impulses
ExplanationInitiates heart's rhythmic contractions.
#6
What is the medical term for the process of blood clotting?
Hemostasis
ExplanationStopping bleeding by forming clots.
#7
Which blood type is considered the universal donor?
O
ExplanationCompatible with all other blood types.
#8
What is the function of the lymphatic system in relation to blood?
Immune defense and fluid balance
ExplanationProtects against infections and regulates fluid levels.
#9
Which blood component is essential for blood clotting?
Platelets
ExplanationInitiates clotting to stop bleeding.
#10
In which part of the body does the process of erythropoiesis occur?
Bone marrow
ExplanationFormation of red blood cells.
#11
What is the anatomical name for the upper arm bone?
Humerus
ExplanationLong bone in the upper arm.
#12
In the context of blood pressure, what does 'systolic' refer to?
Pressure during heart contraction
ExplanationMaximum pressure exerted on artery walls.
#13
What is the medical term for a low red blood cell count?
Anemia
ExplanationResults in fatigue and weakness.
#14
Which blood vessel carries oxygenated blood away from the heart?
Artery
ExplanationTransports oxygen-rich blood to tissues.
#15
Which blood type is considered the universal recipient?
AB
ExplanationCan receive blood from any other blood type.