Blood Flow Through The Heart Quiz Questions And Answers
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The human heart has _________________chambers.
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2
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3
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4
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5
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About This Quiz
Here's a fun and interesting 'blood flow through the heart' quiz for you. Try playing this quiz and test your knowledge about blood circulation and its related concepts. This quiz consists of multiple-choice questions and you'll have to choose the correct option for each question. Sounds simple and easy, right? So, sharpen your brain cells and get ready to take this test. Wishing you good luck and have fun!
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- 2.
Arteries carry blood away from the heart.
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True
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False
Correct Answer
A. TrueExplanation
Arteries are blood vessels that carry oxygenated blood away from the heart to various parts of the body. They have thick, elastic walls that help maintain blood pressure and regulate blood flow. In contrast, veins carry deoxygenated blood back to the heart. Therefore, the statement that arteries carry blood away from the heart is true.Rate this question:
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- 3.
Which separates the left and right sides of the heart?
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Septum
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Tricuspic valve
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Pulmonary valve
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Aortic valve
Correct Answer
A. SeptumExplanation
The septum is the correct answer because it is the structure that separates the left and right sides of the heart. The septum acts as a barrier, preventing the mixing of oxygenated and deoxygenated blood. It ensures that oxygen-rich blood is pumped to the body through the left side of the heart, while deoxygenated blood is pumped to the lungs through the right side of the heart. The tricuspid valve, pulmonary valve, and aortic valve are all important components of the heart, but they do not specifically separate the left and right sides.Rate this question:
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- 4.
Veins carry blood to the heart.
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True
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False
Correct Answer
A. TrueExplanation
Veins are blood vessels that carry deoxygenated blood from the body's tissues back to the heart. This blood is then pumped to the lungs to receive oxygen before being circulated to the rest of the body. Arteries, on the other hand, carry oxygenated blood away from the heart to the body's tissues. Therefore, the statement that veins carry blood to the heart is correct.Rate this question:
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- 5.
The left side of the heart contains oxygenated blood. True or false?
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True
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False
Correct Answer
A. TrueExplanation
The left side of the heart does indeed contain oxygenated blood. This is because the left atrium receives oxygen-rich blood from the lungs through the pulmonary veins, and then pumps it into the left ventricle. From there, the left ventricle contracts and sends the oxygenated blood to the rest of the body through the aorta.Rate this question:
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- 6.
The inferior vena cava carries deoxygenated blood.
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True
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False
Correct Answer
A. TrueExplanation
The inferior vena cava is a large vein that carries deoxygenated blood from the lower body back to the heart. It collects blood from the lower limbs, pelvis, and abdomen and delivers it to the right atrium of the heart. This blood is low in oxygen and high in carbon dioxide, as it has already been used by the body's tissues. Therefore, the statement that the inferior vena cava carries deoxygenated blood is true.Rate this question:
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- 7.
The upper chambers of the human heart are called the ___________________.
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Artery
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Ventricles
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Valves
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Atria
Correct Answer
A. AtriaExplanation
The upper chambers of the human heart are called the atria. These chambers receive blood from the veins and then contract to pump the blood into the lower chambers, called the ventricles. The atria play a crucial role in the circulation of blood, as they help to ensure that the blood flows in the correct direction and is properly oxygenated.Rate this question:
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- 8.
Oxygenated blood is brought from the lungs to the heart in the ________.
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Pulmonary veins
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Pulmonary arteries
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Aorta
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Vena Cava
Correct Answer
A. Pulmonary veinsExplanation
Oxygenated blood is brought from the lungs to the heart through the pulmonary veins. The pulmonary veins carry oxygen-rich blood from the lungs back to the left atrium of the heart. This oxygenated blood is then pumped out to the rest of the body through the aorta, supplying oxygen to the tissues and organs. The pulmonary arteries, on the other hand, carry deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation. The vena cava brings deoxygenated blood from the body back to the right atrium of the heart.Rate this question:
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- 9.
What is the valve separating the left atrium from the left ventricle called?
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Mitral valve
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Tricuspid valve
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Pulmonary valve
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Aortic valve
Correct Answer
A. Mitral valveExplanation
The valve separating the left atrium from the left ventricle is called the mitral valve. It is also known as the bicuspid valve due to its two flaps. This valve ensures that blood flows in one direction, preventing backflow from the ventricle to the atrium. It opens during atrial contraction to allow blood to flow into the ventricle, and closes during ventricular contraction to prevent blood from flowing back into the atrium. The mitral valve is essential for maintaining proper blood flow and preventing regurgitation in the heart.Rate this question:
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- 10.
The superior vena cava carries oxygenated blood.
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True
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False
Correct Answer
A. FalseExplanation
The superior vena cava does not carry oxygenated blood. It is a large vein that carries deoxygenated blood from the upper body back to the heart. The oxygenated blood is carried by the pulmonary veins, which bring blood from the lungs to the heart. Therefore, the statement that the superior vena cava carries oxygenated blood is false.Rate this question:
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- 11.
Blood flows from the right atrium to the right ventricle through this valve.
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Mitral valve
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Aortic valve
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Pulmonary valve
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Tricuspid valve
Correct Answer
A. Tricuspid valveExplanation
The tricuspid valve is located between the right atrium and the right ventricle, allowing blood to flow from the atrium to the ventricle. It is called the tricuspid valve because it consists of three leaflets or cusps. When the right atrium contracts, the tricuspid valve opens, allowing blood to pass into the right ventricle. Once the ventricle is filled, the valve closes to prevent back flow of blood into the atrium during ventricular contraction.Rate this question:
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- 12.
Which blood vessels have the thickest walls?
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ARTERIES
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VEINS
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CAPILLARIES
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Option 4
Correct Answer
A. ARTERIESExplanation
Arteries have the thickest walls compared to veins and capillaries. This is because arteries carry oxygenated blood from the heart to the rest of the body at high pressure. The thick walls of arteries help to withstand this pressure and prevent them from bursting. Veins, on the other hand, carry deoxygenated blood back to the heart at lower pressure, so their walls are thinner. Capillaries, the smallest blood vessels, have thin walls to allow for the exchange of nutrients and waste products between the blood and surrounding tissues.Rate this question:
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- 13.
Oxygen rich blood flows from the lungs into what chamber?
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Right atrium
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Left atrium
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Right ventricle
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Left ventricle
Correct Answer
A. Left atriumExplanation
The left atrium receives oxygen-rich blood from the lungs. It is one of the four chambers of the heart and is responsible for pumping this oxygenated blood into the left ventricle, which then pumps it out to the rest of the body.Rate this question:
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- 14.
Carbon dioxide-rich blood enters the heart through what chamber?
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Right atrium
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Left atrium
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Right ventricle
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Left ventricle
Correct Answer
A. Right atriumExplanation
The correct answer is the right atrium. The right atrium is responsible for receiving deoxygenated blood from the body and pumping it into the right ventricle, which then pumps the blood to the lungs to be oxygenated.Rate this question:
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- 15.
Capillaries are the largest blood vessel in the heart.
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True
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False
Correct Answer
A. FalseExplanation
Capillaries are actually the smallest blood vessels in the body, not the largest. They are responsible for the exchange of oxygen, nutrients, and waste products between the blood and the surrounding tissues. The largest blood vessels in the heart are the arteries and veins, which carry blood to and from the heart.Rate this question:
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- 16.
Deoxygenated blood is pumped from the heart to the lungs in the _______________.
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Pulmonary veins
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Pulmonary arteries
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Aorta
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Vena Cava
Correct Answer
A. Pulmonary arteriesExplanation
Deoxygenated blood is pumped from the heart to the lungs in the pulmonary arteries. These arteries carry the blood from the right ventricle of the heart to the lungs, where it gets oxygenated and returns to the heart through the pulmonary veins. The aorta is responsible for carrying oxygenated blood from the heart to the rest of the body, while the vena cava brings deoxygenated blood from the body back to the heart.Rate this question:
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- 17.
Click on the answer you feel best answers the question: When the blood is brought to the lungs:
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It releases oxygen to the lungs
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It releases carbon dioxide to the lungs
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It releases carbon dioxide and collects oxygen
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It releases oxygen and collects carbon dioxide
Correct Answer
A. It releases carbon dioxide and collects oxygenExplanation
When the blood is brought to the lungs, it releases carbon dioxide and collects oxygen. This is because the blood carries carbon dioxide, which is a waste product produced by cells, to the lungs to be exhaled. At the same time, oxygen from the inhaled air enters the lungs and diffuses into the blood, where it binds to hemoglobin in red blood cells for transport to the body's tissues. Therefore, the blood releases carbon dioxide and collects oxygen in the lungs during the process of respiration.Rate this question:
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- 18.
Which blood vessel carries blood from the heart to the lungs to receive oxygen?
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AORTA
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VENA CAVA
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PULMONARY ARTERY
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PULMONARY VEIN
Correct Answer
A. PULMONARY ARTERYExplanation
The pulmonary artery carries deoxygenated blood from the heart to the lungs to receive oxygen. This artery is responsible for transporting blood to the lungs where it gets oxygenated and then returns to the heart through the pulmonary veins. The other options, such as the aorta and vena cava, are not involved in the transportation of blood to the lungs for oxygenation.Rate this question:
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- 19.
Blood travels through this valve when heading to the pulmonary arteries.
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Pulmonary valve
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Tricuspid valve
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Mitral valve
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Aortic valve
Correct Answer
A. Pulmonary valveExplanation
The pulmonary valve is responsible for allowing blood to flow from the right ventricle to the pulmonary arteries. The right ventricle pumps deoxygenated blood to the lungs to be oxygenated, and the pulmonary valve ensures that the blood flows in the correct direction. It opens when the right ventricle contracts and closes to prevent backflow of blood into the ventricle when it relaxes. Therefore, the pulmonary valve is the correct answer as it is directly involved in the circulation of blood to the pulmonary arteries.Rate this question:
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- 20.
The pulmonary veins carry deoxygenated blood to the left atrium.
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True
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False
Correct Answer
A. FalseExplanation
The given statement is false. The pulmonary veins actually carry oxygenated blood from the lungs to the left atrium of the heart. The blood is oxygenated in the lungs and then returned to the heart through the pulmonary veins.Rate this question:
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- 21.
Deoxygenated blood enters the heart from the body in the _______________.
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Pulmonary veins
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Pulmonary arteries
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Aorta
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Vena Cava
Correct Answer
A. Vena CavaExplanation
The vena cava is the correct answer because it is the largest vein in the body that carries deoxygenated blood from the body back to the heart.Rate this question:
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- 22.
The valve found on the right side of the heart is called __________>
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AORTIC VALVE
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PULMONARY VALVE
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TRICUSPID VALVE
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MITRAL VALVE
Correct Answer
A. TRICUSPID VALVEExplanation
The valve found on the right side of the heart is called the tricuspid valve. This valve is located between the right atrium and the right ventricle and it prevents the backflow of blood from the ventricle to the atrium during the contraction of the heart. It has three cusps or leaflets that open and close to regulate the flow of blood.Rate this question:
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- 23.
Which chamber does oxygenated blood enter the heart first?
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Left ventricle
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Left atrium
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Right atrium
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Right ventricle
Correct Answer
A. Left atriumExplanation
Oxygenated blood enters the heart first through the left atrium. The left atrium receives oxygen-rich blood from the lungs through the pulmonary veins. From the left atrium, the blood is then pumped into the left ventricle, which in turn pumps the oxygenated blood out to the rest of the body.Rate this question:
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- 24.
Blood travels from the left ventricle through this valve heading to the aorta.
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Mitral valve
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Pulmonary valve
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Aortic valve
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Tricuspid valve
Correct Answer
A. Aortic valveExplanation
The aortic valve is responsible for allowing blood to flow from the left ventricle of the heart into the aorta, which is the largest artery in the body. This valve prevents blood from flowing back into the ventricle once it has been pumped out. Therefore, the aortic valve is the correct answer as it matches the description given in the question.Rate this question:
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- 25.
The pulmonary artery carries oxygenated blood to the lungs.
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True
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False
Correct Answer
A. FalseExplanation
The pulmonary artery actually carries deoxygenated blood from the heart to the lungs. Once the blood reaches the lungs, it takes up oxygen and gets rid of carbon dioxide through the process of gas exchange. This oxygenated blood then returns to the heart through the pulmonary veins and is pumped out to the rest of the body through the aorta. Therefore, the statement that the pulmonary artery carries oxygenated blood to the lungs is false.Rate this question:
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- 26.
The inferior vena cava and superior vena cava are examples of what blood vessel?
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Valves
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Arteries
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Veins
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Capillaries
Correct Answer
A. VeinsExplanation
The inferior vena cava and superior vena cava are examples of veins. Veins are blood vessels that carry deoxygenated blood back to the heart. The inferior vena cava collects blood from the lower part of the body, while the superior vena cava collects blood from the upper part of the body. Veins typically have thinner walls and less smooth muscle compared to arteries, and they also contain valves to prevent backflow of blood.Rate this question:
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Quiz Review Timeline (Updated): Jan 15, 2025 +
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Current Version
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Jan 15, 2025Quiz Edited by
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Expert Reviewed by
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Dec 15, 2016Quiz Created by
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