7.1 Blood Components

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    The component of blood shown here are the: - ProProfs

    The component of blood shown here are the:

    • Red blood cells
    • White blood cells
    • Plasma
    • Platelets
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7.1 Blood Components - Quiz
About This Quiz

Anatomy & Physiology
Unit 7 - Cardiovascular & Respiratory Systems
7.1 - I CAN describe the major components of blood and how it travels through the body.

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  • 2. 

    Which component of blood helps fight against viruses and bacteria?

    • Red blood cells

    • White blood cells

    • Plasma

    • Platelets

    Correct Answer
    A. White blood cells
    Explanation
    White blood cells, also known as leukocytes, are the component of blood that helps fight against viruses and bacteria. They are part of the immune system and play a crucial role in defending the body against infections. White blood cells are able to recognize and destroy foreign invaders, such as viruses and bacteria, through various mechanisms including phagocytosis and the release of antibodies. They are essential for maintaining a healthy immune system and protecting the body from harmful pathogens.

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  • 3. 
    Which is the small network of blood vessels, shown in the middle? - ProProfs

    Which is the small network of blood vessels, shown in the middle?

    • Veins

    • Capillaries

    • Arteries

    Correct Answer
    A. Capillaries
    Explanation
    Capillaries are the small network of blood vessels shown in the middle. They connect the arterioles and venules, allowing for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. Capillaries have thin walls, which facilitate this exchange through diffusion. They are found throughout the body and are responsible for delivering oxygen and nutrients to the cells while removing waste products.

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  • 4. 

    The ______________ help form blood clots when you have injured a blood vessel.

    • Platelets

    • Plasma

    • Red blood cells

    • White blood cells

    Correct Answer
    A. Platelets
    Explanation
    Platelets are small, colorless cell fragments in the blood that play a crucial role in blood clotting. When a blood vessel is injured, platelets are activated and form a plug at the site of the injury to prevent excessive bleeding. They adhere to the damaged blood vessel wall and release chemicals that attract more platelets, forming a clot. This clot helps to seal the wound and initiate the healing process. Therefore, platelets are essential in the formation of blood clots when a blood vessel is injured.

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  • 5. 
    Which type of blood vessel, shown here in red, carries blood AWAY from the heart? - ProProfs

    Which type of blood vessel, shown here in red, carries blood AWAY from the heart?

    • Artery

    • Vein

    • Capillary

    Correct Answer
    A. Artery
    Explanation
    Arteries are the blood vessels that carry oxygenated blood away from the heart to the rest of the body. They have thick, elastic walls that help to withstand the high pressure generated by the pumping action of the heart. This allows the arteries to efficiently transport blood to various organs and tissues. In contrast, veins carry deoxygenated blood back to the heart, while capillaries are the smallest blood vessels where the exchange of oxygen, nutrients, and waste products occurs between the blood and surrounding tissues.

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  • 6. 

    What would most likely happen if your body was unable to produce red blood cells?

    • Injuries might not heal properly

    • You would have a vitamin deficiency

    • You would have uncontrolled bleeding

    • You would have low energy due to a lack of oxygen

    Correct Answer
    A. You would have low energy due to a lack of oxygen
    Explanation
    If the body is unable to produce red blood cells, it would result in low energy due to a lack of oxygen. Red blood cells are responsible for carrying oxygen to various tissues and organs in the body. Without an adequate supply of oxygen, the body's energy production would be compromised, leading to fatigue and a decrease in overall energy levels.

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  • 7. 

    Which statement is NOT true about veins?

    • Veins are a type of blood vessel.

    • Veins carry blood that has low levels of oxygen.

    • Veins take blood away from the heart.

    • Veins take blood back to the heart.

    Correct Answer
    A. Veins take blood away from the heart.
    Explanation
    The statement "Veins take blood away from the heart" is not true about veins. Veins actually take blood back to the heart. Veins are a type of blood vessel that carry blood that has low levels of oxygen and return it to the heart for oxygenation.

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  • 8. 

    What would most likely happen if your body was unable to produce platelets?

    • Injuries might not heal properly

    • You would have a vitamin deficiency

    • You would have uncontrolled bleeding

    • You would have low energy due to a lack of oxygen

    Correct Answer
    A. Injuries might not heal properly
    Explanation
    If the body is unable to produce platelets, it would most likely result in injuries not healing properly. Platelets are responsible for blood clotting, which is crucial for wound healing. Without enough platelets, the blood would not be able to clot effectively, leading to prolonged bleeding and preventing the wound from healing properly. This could result in chronic wounds, increased risk of infection, and other complications related to the healing process.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 14, 2013
    Quiz Created by
    Rlabov
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