#1
Which of the following is not a component of blood?
Adrenaline
ExplanationAdrenaline is a hormone, not a component of blood.
#2
What is the primary function of red blood cells (RBCs)?
Transport oxygen
ExplanationRed blood cells transport oxygen to body tissues.
#3
What is the function of platelets in the blood?
Clot blood
ExplanationPlatelets aid in blood clotting to prevent bleeding.
#4
What is the term for the upper chambers of the heart?
Atria
ExplanationThe atria are the upper chambers of the heart.
#5
Which blood cells are responsible for the immune response?
White blood cells
ExplanationWhite blood cells play a key role in the immune response.
#6
What is the main function of hemoglobin in the blood?
Transport oxygen
ExplanationHemoglobin transports oxygen in the blood.
#7
Which chamber of the heart receives oxygen-rich blood from the lungs?
Left atrium
ExplanationThe left atrium receives oxygen-rich blood from the lungs.
#8
What is the medical term for high blood pressure?
Hypertension
ExplanationHypertension refers to high blood pressure.
#9
Which blood vessel carries oxygen-rich blood away from the heart to the body?
Aorta
ExplanationThe aorta carries oxygen-rich blood away from the heart.
#10
What is the average resting heart rate for adults?
60-70 beats per minute
ExplanationThe normal resting heart rate for adults is 60-70 beats per minute.
#11
Which organ produces most of the plasma proteins found in blood?
Liver
ExplanationThe liver produces most plasma proteins found in blood.
#12
Which blood vessels carry deoxygenated blood back to the heart?
Veins
ExplanationVeins carry deoxygenated blood back to the heart.
#13
Which blood type is considered the universal recipient?
Type AB
ExplanationType AB blood can receive all blood types.
#14
Which of the following is not a risk factor for cardiovascular disease?
Regular exercise
ExplanationRegular exercise is not a risk factor for cardiovascular disease.
#15
What is the name of the condition where there is a build-up of fatty deposits in the arteries?
Atherosclerosis
ExplanationAtherosclerosis involves the build-up of fatty deposits in arteries.
#16
What is the medical term for a blood clot that forms within a blood vessel and obstructs the flow of blood?
Thrombus
ExplanationA thrombus is a blood clot that obstructs blood flow in a vessel.
#17
Which hormone regulates the amount of calcium in the blood?
Parathyroid hormone
ExplanationParathyroid hormone regulates calcium levels in the blood.
#18
Which of the following is a function of blood plasma?
Transport of nutrients
ExplanationBlood plasma transports nutrients throughout the body.