The circulatory System

Multiple Choice

The circulatory system consists of the following organs except

• veins
• arteries
• heart
• lungs

Multiple Select

The organs of the circulatory perform the following function

• transport oxygen

• transport nutrients

• produce energy

• distributes hormones from endocrine glands to target organs

• secretes hormones

Multiple Choice

the circulatory system protects the body against diseases by

• regulating body temperature through sweat
• increasing heart rate during exercise
• transporting white blood cells and antibodies to fight diseases
• pumping more blood to the muscles

Multiple Choice

Which component of the circulatory system regulates the pH of the body?

• Viens

• Heart
• Blood
• Arteries

Multiple Choice

The human heart has how many compartments?

• 2
• 3
• 5
• 4

Multiple Choice

which compartment receives and transports deoxygenated blood?

• Left atrium
• Right ventricle
• Pulmonary artery
• Right atrium

Multiple Choice

The function of the right ventricle is to

• pump oxygenated blood to the body.
• receive oxygenated blood from the lungs.
• pump deoxygenated blood to the lungs.
• store blood before it enters the left ventricle.

Multiple Choice

Which compartment of the heart pumps oxygenated blood to the body?

• Right atrium
• Left atrium
• Right ventricle
• Left ventricle

Multiple Choice

What's a valve in the circulatory system?

• A valve is a type of artery that carries oxygenated blood.
• A valve is a structure that prevents backflow of blood in the circulatory system.
• A valve is a type of blood cell in the circulatory system.
• A valve is a muscle that pumps blood throughout the body.

Multiple Choice

Why does the blood go to the lungs and back to the heart?

• Blood goes to the lungs to expel waste from the circulatory system

• Blood goes to the lungs to exchange gas.

• Blood goes to the lungs to receive nutrient

• Blood goes to the lungs to get oxygen

Multiple Choice

The heart is

• a muscular organ that pumps blood throughout the body
• a gland that produces hormones
• an organ that stores blood
• a type of muscle found in the legs

Multiple Choice

Which of the following component of blood gives its color?

• Platelets
• Plasma
• White blood cells
• Hemoglobin

Multiple Choice

The white blood cells is also known as

• erythrocytes
• leukocytes
• thrombocytes
• plasma cells

Multiple Choice

The function of the platelets is to

• transport oxygen in the blood.

• regulate blood pressure

• help in blood clotting.

• fight against infections.

Multiple Choice

How does the platelets prevents excessive blood loss when a person is injured?

• Platelets dissolve the injury site to stop bleeding.
• Platelets release hormones that increase blood flow to the injury.
• Platelets prevent excessive blood loss by forming a plug and creating a stable clot at injury sites.

• Platelets absorb excess blood to prevent loss.

Multiple Choice

Why is plasma an important component of blood?

• Plasma is primarily responsible for blood clotting.
• Plasma is the main component that carries oxygen in the blood.
• Plasma is important for producing red blood cells.
• Plasma is important because it transports essential substances and helps maintain homeostasis.

Multiple Choice

The liquid component of blood is the

• plasma
• white blood cells
• serum
• red blood cells

Multiple Choice

Which component of the blood is yellow?

• Plasma
• Red blood cells
• White blood cells
• Platelets

Multiple Choice

The white blood cells of the blood perform what function

• White blood cells help protect the body against infections and diseases.
• White blood cells produce hormones for growth.
• White blood cells are responsible for blood clotting.
• White blood cells transport oxygen throughout the body.

Multiple Choice

The white blood cell is also know as

• leukocytes
• thrombocytes
• erythrocytes
• plasma cells

Multiple Choice

One difference between the white blood cell and the red blood cell is that

• White blood cells are involved in immune response, whereas red blood cells transport oxygen.
• White blood cells are produced in the lungs, whereas red blood cells are produced in the heart.
• Red blood cells are larger than white blood cells.
• White blood cells carry oxygen, while red blood cells fight infections.

Multiple Choice

Where is the red blood cell produced?

• Liver
• Spleen
• Kidneys
• Bone marrow

Multiple Choice

Where is the white blood cell produced?

• Liver
• Bone marrow
• Spleen
• Thymus

Multiple Choice

What is the shape of the red blood cell?

• Cylindrical tube
• Spherical ball
• Flat disc
• Biconcave disc

Multiple Choice

Which of the following is not a function of the human blood?

• Source of energy
• Fighting infections
• Regulating body temperature
• Transporting oxygen

Multiple Choice

Which component of blood transports oxygen to organs in the body?

• Plasma
• White blood cells
• Platelets
• Hemoglobin

Multiple Choice

The component of the blood responsible for regulating the temperature of a body is

• plasma
• hemoglobin
• red blood cells
• bicarbonate

Multiple Choice

The ................. contain antibodies that fight against infection

• red blood cell

• plasma
• platelets

• white blood cells

Multiple Choice

Which of the following is not a blood vessel?

• Vein
• Artery
• Capillary
• Nerve

Multiple Choice

The biggest or largest artery is the

• coronary artery
• femoral artery
• pulmonary artery
• aorta

Multiple Choice

The biggest or largest vein is the

• superior vena cava
• inferior vena cava
• jugular vein
• pulmonary vein

Multiple Choice

Capillaries are

• the vessels that transport lymph throughout the body.
• the main site for blood cell production in the body.
• the largest blood vessels that carry oxygenated blood only.
• the smallest blood vessels that enable exchange of substances between blood and tissues.

Multiple Choice

Which of the following have no valve?

• Veins
• Lymphatic vessels
• Capillaries
• Arteries

Multiple Choice

What is the reason why arteries have thick walls?

• To allow for better oxygen exchange.
• To facilitate blood flow to the veins.
• To withstand high blood pressure.
• To prevent blood from leaking out.

Multiple Choice

Which artery transport deoxygenated blood?

• Coronary artery
• Aorta
• Pulmonary artery
• Femoral artery

Multiple Choice

What is the function of the pulmonary artery?

• To transport oxygenated blood from the lungs to the heart.
• To filter blood before it reaches the lungs.
• To supply nutrients to the heart muscle.
• To transport deoxygenated blood from the heart to the lungs.

Multiple Choice

Which blood vessel transports oxygenated blood to the heart?

• Pulmonary veins
• Coronary arteries
• Pulmonary artery
• Aorta

Multiple Choice

Why do veins have large or bigger lumen?

• Veins have larger lumens to store excess oxygen.
• Veins have larger lumens to facilitate the return of blood to the heart at lower pressure.
• Veins have larger lumens to prevent blood from flowing back to the heart.
• Veins have smaller lumens to increase blood pressure.

Multiple Choice

Why do arteries have smaller lumen?

• Arteries have smaller lumen to increase oxygen absorption.
• Arteries have smaller lumen to maintain high blood pressure.
• Arteries have smaller lumen to reduce blood flow resistance.
• Arteries have larger lumen to allow more blood flow.

Multiple Choice

Which of the following disorder affects the blood and the bone marrow?

• Thrombocytopenia
• Leukemia
• Anemia
• Hemophilia

Multiple Choice

High blood pressure is also known as

• hypertension
• hyperlipidemia
• hyperglycemia
• hypotension

Multiple Choice

One effect of high blood pressure is

• stroke

• arthritis
• asthma
• diabetes

Multiple Choice

One way to prevent circulatory disorder is to

• eat a high-fat diet
• avoid physical activity
• smoke regularly
• engage in regular exercise

Multiple Choice

How does obesity affect the circulatory system?

• Obesity improves blood circulation and heart health in the body, allowing blood to transport nutrient and oxygen to other organs in the body effectively.

• Obesity helps to maintain a steady blood pressure and cholesterol levels, resulting in the proper functioning of the circulatory system and the organs in it.

• Obesity impacts the circulatory system by increasing blood pressure, cholesterol levels, and the risk of heart disease and stroke.

• Obesity decreases the risk of heart disease and stroke by ensuring the that blood flows easily.

Multiple Choice

Blood pressure is highest at

• pulmonary veins

• vena cava

• aorta

• ventricular diastole

Open Ended

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