Respiratory And Circulatory System Review Quiz

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| By Patrickedmunds
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Patrickedmunds
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Quizzes Created: 2 | Total Attempts: 937
| Attempts: 832
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  • 1/30 Questions

    The respiratory system relates mainly to the heart and blood vessels.

    • True
    • False
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Respiratory System Quizzes & Trivia
About This Quiz

This quiz assesses knowledge on the respiratory and circulatory systems, focusing on functions such as oxygen and carbon dioxide exchange, and the physiological responses during exercise. It's designed to enhance understanding of human biology relevant for learners in educational settings.

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  • 2. 

    Respiration is the process of the body taking oxygen (O2) in and removing carbon dioxide (CO2).

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Respiration is indeed the process by which the body takes in oxygen and removes carbon dioxide. During respiration, oxygen is inhaled into the lungs and transported to the body's cells, where it is used to produce energy. Carbon dioxide, which is a waste product of this energy production, is then carried back to the lungs and exhaled. This continuous exchange of oxygen and carbon dioxide is vital for the body's functioning and is a fundamental process in all living organisms. Therefore, the statement "Respiration is the process of the body taking oxygen in and removing carbon dioxide" is true.

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  • 3. 

    Inspiration is the process of the heart bringing blood back into the left atrium.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Inspiration is when we breathe in bring air from the atmosphere into the lungs.

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  • 4. 

    Oxygen binds to platelets in red blood cells to then be transported around the body to all cells and tissues.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Oxygen binds to haemoglobin in red blood cells.

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  • 5. 

    Gas exchange is the process where oxygen enters the blood from alveoli during inspiration. At the same time carbon dioxide crosses from blood to alveoli to be exaled (expiration) from the body. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Gas exchange is a vital process in the respiratory system where oxygen is taken in from the alveoli into the blood during inspiration, while carbon dioxide is released from the blood into the alveoli to be exhaled during expiration. This process ensures that oxygen is delivered to the body's tissues and carbon dioxide, a waste product, is removed from the body. Therefore, the statement is true.

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  • 6. 

    During exercise, there is no major change in respiration rates of healthy young people.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    During physical activity and exercise, the body has a higher demand for oxygen, triggering an increase in respiration rates (breathing), increasing volume of air moving into and out of the lungs, increasing oxygen to blood and increasing waste removal.

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  • 7. 

    Our respiration rates can increase just at the thought of doing physical activity/exercise.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because our respiration rates can increase even when we think about doing physical activity or exercise. This is because our brain sends signals to our respiratory system to prepare for the upcoming physical exertion. These signals stimulate the respiratory muscles, causing an increase in respiration rate and depth to ensure that our body receives enough oxygen during exercise. Therefore, the thought of physical activity can trigger a physiological response in our respiratory system.

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  • 8. 

    Once exercise starts, the rate (frequency) and depth (tidal volume) of breathing increases in proportion to the intensity and effort of exercise (workload).

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Of course it does!!

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  • 9. 

    The circulatory (cardiovascular)  system mainly consists of the lungs, trachea and alveoli.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Heart, blood and blood vessels.

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  • 10. 

    The main role of the circulatory system is to distribute blood containing oxygen, nutrients & collect and remove carbon dioxide and waste.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The circulatory system plays a crucial role in distributing blood throughout the body. Blood carries oxygen and nutrients to various organs and tissues, ensuring their proper functioning. Additionally, the circulatory system collects carbon dioxide and waste products from cells and transports them to the lungs and kidneys for elimination. Therefore, it can be concluded that the main role of the circulatory system is indeed to distribute blood containing oxygen, nutrients, and collect and remove carbon dioxide and waste.

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  • 11. 

    There are three main blood vessels in the body: alveoli, veins and arteries.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Arteries, veins and capillaries.

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  • 12. 

    Carbon dioxide is an important gas required by all muscles and cells in the body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Carbon dioxide will kill you if it is not removed by the body.

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  • 13. 

    Plasma is the liquid part of blood which makes up 55% of blood while Red and White Blood cells and platelets make up the other 45%.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because plasma does indeed make up 55% of blood, while the other 45% is composed of red and white blood cells, as well as platelets. Plasma is the liquid component of blood that carries nutrients, hormones, and waste products throughout the body. Red blood cells are responsible for carrying oxygen, while white blood cells help to fight off infections, and platelets aid in blood clotting. Therefore, the given answer is true.

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  • 14. 

    The main role of white blood cells is to promote clotting of the blood in order to prevent blood loss.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    White blood cells are formed in bone marrow and are the body's defence system protecting against disease and infection (body's immune system). PLATELETS produce substances for blood clotting.

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  • 15. 

    There are twice as many red blood cells than white blood cells in the body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False - there are 700 red blood cells to every 1 white blood cell

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  • 16. 

    The heart is a muscular pump slightly larger than a clenched fist - it provides enough force to keep the blood circulating throughout the body. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the heart is indeed a muscular pump that is slightly larger than a clenched fist. It is responsible for pumping blood throughout the body, providing enough force to keep the blood circulating.

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  • 17. 

    Veins have strong elastic walls to carry blood under pressure from the heart to all muscles of the body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    ARTERIES carry blood AWAY from the heart and have strong, elastic artery walls. Veins have VAVES and carry blood back to the heart.

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  • 18. 

    De-oxygenated blood is highly red in colour and high in oxygen while oxygenated blood is bluish in colour and carried in the veins back to the heart.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Other way around - Arteries carry oxgenated (oxygen rich blood) from the heart to all the muscles while veins carry deoxygenated blood, carbon dioxide, waste back to the heart, then lungs where it is exhaled (removed from the body)

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  • 19. 

    The heart has a rhythmic contraction and relaxation process. This is diastole (relaxation/filling) and systole (contracting/pumping) phase.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the heart does indeed have a rhythmic contraction and relaxation process. This process is known as the cardiac cycle, which consists of two phases: diastole and systole. During diastole, the heart relaxes and fills with blood. During systole, the heart contracts and pumps the blood out to the rest of the body. This rhythmic cycle allows for the continuous circulation of blood throughout the body.

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  • 20. 

    The right ventricle is the strongest chamber of the heart responsible for pumping blood all around the body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The left ventricle is the strongest chamber of the heart which pumps blood all around the body. The right atrium pumps deoxygenated blood to the lungs where it is picks ups fresh oxygen (becomes oxygenated).

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  • 21. 

    Capillaries are the link between arteries and veins and have such thin walls they enable gas exchange to take place by crossing the walls - oxygen and nutrients go to the cells and muscles, while carbon dioxide and waste are picked up by the capillaries and taken to veins for removal.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Capillaries are indeed the link between arteries and veins, and their thin walls allow for efficient gas exchange. Oxygen and nutrients are transported to cells and muscles through capillaries, while carbon dioxide and waste products are collected by the capillaries and carried to veins for elimination. Therefore, the statement is true.

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  • 22. 

    The right side of the heart only deals with de-oxygenated blood while the left side of the heart only deals with oxgenated blood.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the right side of the heart receives deoxygenated blood from the body and pumps it to the lungs for oxygenation. The left side of the heart receives oxygenated blood from the lungs and pumps it to the rest of the body. This separation of oxygenated and deoxygenated blood ensures that oxygen-rich blood is delivered to the body's tissues and organs, while deoxygenated blood is returned to the lungs for oxygenation.

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  • 23. 

    The right side of the heart receives deoxygenated blood from all parts of the body and pumps it to the lungs (where it picks up oxygen) and then back to the heart. This is called systemic circulation.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    FALSE - blood being pumped from the heart to the lungs and back to the heart is called PULMONARY circulation.

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  • 24. 

    Systemic circulation is the flow of blood from the heart to the body and then back to the heart.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that systemic circulation refers to the pathway of blood flow from the heart to the rest of the body's tissues and organs, delivering oxygen and nutrients, and then returning deoxygenated blood back to the heart. This process is essential for maintaining the body's overall function and is facilitated by a network of blood vessels, including arteries, capillaries, and veins. Therefore, it is accurate to say that systemic circulation involves the flow of blood from the heart to the body and then back to the heart.

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  • 25. 

    The left side of the heart receives blood high in oxygen content (oxygenated) from the lungs and pumps it around the body.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The left side of the heart is responsible for receiving oxygenated blood from the lungs and pumping it to the rest of the body. This is true because after the blood is oxygenated in the lungs, it is returned to the left side of the heart through the pulmonary veins. From there, it is pumped out to the body through the aorta, supplying oxygen to the tissues and organs.

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  • 26. 

    Blood pressure is the pressure that red blood cells exert onto white blood cells.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Blood pressure is the pressure that the blood exerts on the blood vessels.

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  • 27. 

    Blood pressure has two phases - systolic pressure is the pressure when blood is forced into the arteries during contraction of the left ventricle and diastolic pressure when the heart is relaxing or filling. Systolic pressure is always a higher number (120 / 80 is normal blood pressure. Systolic is the 120).

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Blood pressure has two phases - systolic pressure and diastolic pressure. Systolic pressure is the pressure when blood is forced into the arteries during contraction of the left ventricle, while diastolic pressure is when the heart is relaxing or filling. Since systolic pressure is the higher number in a blood pressure reading, it is true that systolic pressure is always a higher number.

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  • 28. 

    Blood pressure is measured using an arm grip dynamometer.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A sphygmomanometer is used to measure blood pressure.

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  • 29. 

    Smoking causes tiny air sacs called alveoli to deterioriate and 'rot' away leading to an inability to breath effectively.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Smoking causes damage to the tiny air sacs called alveoli in the lungs, leading to their deterioration and ultimately causing them to 'rot' away. This damage impairs the ability to breathe effectively, as the alveoli are responsible for the exchange of oxygen and carbon dioxide in the lungs. Therefore, it is true that smoking can lead to an inability to breathe effectively.

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  • 30. 

    Resting heart rate is measured in number of beats of the heart per hour.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Measured in beats per minute (BPM)

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Quiz Review Timeline (Updated): Mar 20, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 02, 2013
    Quiz Created by
    Patrickedmunds

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