#1
Which blood vessel carries oxygenated blood away from the heart?
Artery
ExplanationArteries carry oxygenated blood away from the heart.
#2
What is the primary function of the lymphatic system?
Fighting infections
ExplanationThe primary function of the lymphatic system is fighting infections.
#3
What is the term for the liquid part of blood?
Plasma
ExplanationPlasma is the liquid part of blood.
#4
Which of the following is NOT a component of the lymphatic system?
Liver
ExplanationThe liver is not a component of the lymphatic system.
#5
Which of the following is a major artery that carries oxygen-rich blood from the heart to the rest of the body?
Aorta
ExplanationThe aorta is a major artery that carries oxygen-rich blood from the heart to the rest of the body.
#6
What is the term for the process by which blood cells are formed?
Hematopoiesis
ExplanationHematopoiesis is the process by which blood cells are formed.
#7
Which chamber of the heart pumps oxygenated blood to the body?
Left ventricle
ExplanationThe left ventricle pumps oxygenated blood to the body.
#8
What is the main component of blood responsible for carrying oxygen?
Red blood cells
ExplanationRed blood cells are the main component of blood responsible for carrying oxygen.
#9
What is the term for the smallest blood vessels where the exchange of nutrients and waste occurs?
Capillaries
ExplanationCapillaries are the smallest blood vessels where nutrient and waste exchange occurs.
#10
Which of the following is a function of the spleen?
Filtering blood
ExplanationThe spleen functions in filtering blood.
#11
Which of the following is a condition where there is an abnormal increase in red blood cells?
Polycythemia
ExplanationPolycythemia is a condition characterized by an abnormal increase in red blood cells.
#12
What is the main function of valves in the circulatory system?
To prevent backflow of blood
ExplanationValves in the circulatory system prevent the backflow of blood.
#13
Which of the following is a function of lymph nodes?
Filtering foreign particles and bacteria
ExplanationLymph nodes function in filtering foreign particles and bacteria.
#14
What is the term for the process by which white blood cells engulf and destroy pathogens?
Phagocytosis
ExplanationPhagocytosis is the process by which white blood cells engulf and destroy pathogens.
#15
Which of the following is NOT a type of white blood cell?
Thrombocyte
ExplanationThrombocyte is not a type of white blood cell.
#16
What is the term for the process by which blood clots to stop bleeding?
Coagulation
ExplanationCoagulation is the process by which blood clots to stop bleeding.