The Cardiovascular System MCQ! Trivia

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Quiz: the cardiovascular system MCQ trivia. Each part of the heart has a particular task to achieve. Without the blood moving smoothly to organs of the body, the body may be prone to infections or disorders. Do take up the quiz below and see how much you will know about the organ and vessels in this system.

The Cardiovascular System MCQ! Trivia - Quiz

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  • 2. 

    Select THREE from the list below which make up The Cardiovascular System. 

    • The Heart

    • The Blood Vessels

    • The Lungs

    • The Muscles

    • The Bones

    • The Blood

    • The Brain

    Correct Answer(s)
    A. The Heart
    A. The Blood Vessels
    A. The Blood
    Explanation
    The cardiovascular system is responsible for circulating blood throughout the body. The heart is the central organ of this system, pumping blood to all parts of the body. The blood vessels, including arteries, veins, and capillaries, transport the blood. The blood itself carries oxygen, nutrients, hormones, and waste products. The lungs, muscles, bones, and brain are not directly involved in the cardiovascular system.

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  • 3. 

    Which one of the following statements is correct in relation to blood pressure?

    • An immediate effect of exercise is to decrease blood pressure

    • There are three readings of blood pressure: Systemic, Systolic and Diastolic

    • Systolic blood pressure will be higher than Diastolic pressure whilst at rest

    • Diastolic blood pressure will be higher than Systolic blood pressure whilst at rest

    Correct Answer
    A. Systolic blood pressure will be higher than Diastolic pressure whilst at rest
    Explanation
    During rest, the heart is relaxed and filling with blood. This causes the diastolic pressure, which is the pressure in the arteries when the heart is at rest, to be higher than the systolic pressure, which is the pressure in the arteries when the heart contracts. Therefore, the statement that systolic blood pressure will be higher than diastolic pressure whilst at rest is correct.

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  • 4. 

    Which one of the following is the correct definition of Stroke Volume?

    • The number of times the heart beats per minute

    • The amount of blood pumped around the body during exercise

    • The amount of blood pumped out of the heart per minute

    • The amount of blood pumped out of the heart per beat

    Correct Answer
    A. The amount of blood pumped out of the heart per beat
    Explanation
    Stroke Volume refers to the amount of blood that is pumped out of the heart per beat. It is a measure of the efficiency and strength of the heart's contractions.

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  • 5. 

    Which of the following can cause deposits to build up in the arteries, making it harder for blood to circulate?

    • Light Density Lipoprotein

    • Low Density Lipoprotien

    • High Density Lipoprotein

    • Medium Density Lipoprotein

    Correct Answer
    A. Low Density Lipoprotien
    Explanation
    Low Density Lipoprotein (LDL) can cause deposits to build up in the arteries, making it harder for blood to circulate. LDL is often referred to as "bad" cholesterol because it carries cholesterol from the liver to the arteries, where it can accumulate and form plaques. These plaques can narrow the arteries and restrict blood flow, leading to various cardiovascular diseases such as atherosclerosis and coronary artery disease. Therefore, an excess of LDL in the bloodstream can contribute to the development of arterial deposits and hinder blood circulation.

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  • 6. 

    If an individual had high levels of LDL, which of the following should they avoid in order to improve health?

    • Foods high in unsaturated fat

    • Foods high in saturated fat

    • Foods high in soluble fibre

    • Moderate exercise

    Correct Answer
    A. Foods high in saturated fat
    Explanation
    An individual with high levels of LDL, also known as "bad" cholesterol, should avoid foods high in saturated fat. Saturated fat can raise LDL levels and increase the risk of heart disease. Unsaturated fats, on the other hand, can help lower LDL levels and improve heart health. Therefore, choosing foods high in unsaturated fats, such as avocados or nuts, would be beneficial. Soluble fiber can also help lower LDL levels, so foods high in soluble fiber, like oats or legumes, would also be a good choice. Moderate exercise is generally recommended for improving overall health but may not directly impact LDL levels.

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  • 7. 

    Which one of the following heart rate values is the most likely for a trained athlete?

    • 65 bpm

    • 65 mpg

    • 90 bpm

    • 220 bpm

    Correct Answer
    A. 65 bpm
    Explanation
    A trained athlete typically has a lower resting heart rate due to their cardiovascular fitness. A heart rate of 65 bpm indicates that the athlete's heart is strong and efficient, pumping an adequate amount of blood with each beat. This lower heart rate allows the athlete to perform at a higher level of intensity for longer periods of time without becoming fatigued.

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  • 8. 

    Which one of the following is NOT an immediate effect of exercise on the Cardiovascular System?

    • Increase in heart rate

    • Increase in stroke volume

    • Increase in breathing rate

    • Increase in systolic blood pressure

    Correct Answer
    A. Increase in stroke volume
    Explanation
    An immediate effect of exercise on the cardiovascular system is an increase in heart rate, breathing rate, and systolic blood pressure. However, an increase in stroke volume is not an immediate effect of exercise. Stroke volume refers to the amount of blood pumped out of the heart with each contraction, and while it typically increases with regular exercise, it does not occur immediately during exercise. Therefore, the correct answer is an increase in stroke volume.

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  • 9. 

    Identify THREE effects of regular exercise on The Cardiovascular System.

    • Increase in size and strength of the hear (Cardiac Hypertrophy)

    • Increase in Stroke Volume

    • Decrease in resting blood pressure

    • Decrease in Heart Rate

    • Increase in LDL Levels

    • Decrease in Stroke Volume

    Correct Answer(s)
    A. Increase in size and strength of the hear (Cardiac Hypertrophy)
    A. Increase in Stroke Volume
    A. Decrease in resting blood pressure
    Explanation
    Regular exercise has several positive effects on the cardiovascular system. Firstly, it leads to an increase in the size and strength of the heart, a condition known as cardiac hypertrophy. This allows the heart to pump blood more efficiently and effectively. Secondly, exercise increases stroke volume, which is the amount of blood pumped by the heart with each beat. This means that the heart can deliver more oxygen and nutrients to the body's tissues. Lastly, regular exercise also leads to a decrease in resting blood pressure. This is beneficial as it reduces the strain on the blood vessels and lowers the risk of cardiovascular diseases.

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  • Current Version
  • Nov 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 08, 2015
    Quiz Created by
    Houlty
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