Lymphatic System Quiz Questions And Answers

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Lymphatic System Quiz Questions And Answers - Quiz

Get ready to take our Lymphatic system quiz to test your knowledge. The lymphatic system in the human body is responsible for the removal of interstitial fluid from tissues. This system is tasked with the absorption and transport of fatty acids from the digestive system. In this chapter, answer all the lymphatic system practice questions below and get to refresh your memory. All the best to you with this quiz!


Questions and Answers
  • 1. 

    Which organ receives immature T cells, then raises them to maturity- then releases them?

    • A.

      Thymus

    • B.

      Liver

    • C.

      Spleen

    • D.

      Heart

    • E.

      Hypothalamus

    Correct Answer
    A. Thymus
    Explanation
    The thymus is the organ that receives immature T cells, then raises them to maturity, and finally releases them. The thymus is located in the chest and plays a crucial role in the development of the immune system. It is responsible for educating and training T cells, which are a type of white blood cell, to recognize and attack foreign substances in the body. The thymus releases mature T cells into the bloodstream, where they can then carry out their immune functions.

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  • 2. 

    What is found in the spleen, red bone marrow, and lymph nodes that fight microbes?

    • A.

      Lymphocytes

    • B.

      Natural killer cells

    • C.

      Inflammation

    • D.

      Red blood cells

    • E.

      Tiny little soldiers

    Correct Answer
    A. Lymphocytes
    Explanation
    What is found in the spleen, red bone marrow, and lymph nodes that fight microbes are lymphocytes. Lymphocytes are a type of white blood cell that plays a crucial role in the body's immune response and defense against microbes, including bacteria and viruses.

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  • 3. 

    What makes the lymph fluid move through the body?

    • A.

      Gravity and skeletal muscle contractions

    • B.

      Muscle contractions and gravity

    • C.

      Pressure changes caused by breathing and gravity

    • D.

      He beating of the heart and gravity

    • E.

      Muscle contractions and pressure changes caused by breathing

    Correct Answer
    E. Muscle contractions and pressure changes caused by breathing
    Explanation
    Muscle contractions and pressure changes caused by breathing are responsible for moving lymph fluid through the body. When muscles contract, they squeeze the lymphatic vessels, helping to push the fluid along. Additionally, when we breathe, the pressure changes in our chest cavity create a suction effect that pulls the lymph fluid towards the heart. These combined actions of muscle contractions and pressure changes caused by breathing facilitate the circulation of lymph fluid throughout the body.

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  • 4. 

    What happens in the lymph nodes as lymph flows through them

    • A.

      Reticular fibers filter out debris

    • B.

      Foreign substances are destroyed

    • C.

      Plasma and mature T cells are added

    • D.

      White blood cells are made

    • E.

      A, B, and C are correct

    Correct Answer
    E. A, B, and C are correct
    Explanation
    As lymph flows through the lymph nodes, several processes occur. Firstly, reticular fibers within the lymph nodes act as a filter, helping to remove debris from the lymph. Additionally, foreign substances present in the lymph are destroyed by immune cells within the lymph nodes. Lastly, both plasma and mature T cells are added to the lymph as it passes through the lymph nodes. Therefore, options A, B, and C are all correct, as they accurately describe the different processes that occur in the lymph nodes as lymph flows through them.

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  • 5. 

    What is the role of mucus in the immune system?

    • A.

       To transport macrophages.

    • B.

      To transport B and T cells.

    • C.

      To trap microbes.

    • D.

      To supply lymph.

    Correct Answer
    C. To trap microbes.
    Explanation
    Mucus plays a role in the immune system by trapping microbes. It acts as a physical barrier that prevents harmful pathogens from entering the body. The mucus in various parts of the body, such as the respiratory and digestive systems, contains antibodies and enzymes that can neutralize or destroy these trapped microbes, further enhancing the body's immune response.

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  • 6. 

    The role of the lacrimal glands is to ___

    • A.

      Produce mucous to protect the throat

    • B.

      Produce tears to protect the eyes

    • C.

      Produce mucous to protect the nose

    • D.

      Produce saliva to protect the mouth

    • E.

      A and C are correct

    Correct Answer
    B. Produce tears to protect the eyes
    Explanation
    The lacrimal glands are responsible for producing tears, which help to protect and lubricate the eyes. Tears contain enzymes and antibodies that protect the eyes from infections, as well as keep the surface of the eyes clean and moist. Therefore, the correct answer is "produce tears to protect the eyes."

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  • 7. 

    What is the role of cilia in the mucous membrane?

    • A.

      To move mucous

    • B.

      To warm the throat

    • C.

      To absorb water

    • D.

      To store B and T cells

    • E.

      C and D are correct

    Correct Answer
    A. To move mucous
    Explanation
    Cilia are hair-like structures found in the mucous membrane that play a crucial role in moving mucous. They beat in a coordinated manner, creating a wave-like motion that helps to propel the mucous and any trapped particles or pathogens out of the respiratory tract. This movement aids in clearing the airways, preventing infections, and maintaining respiratory health.

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  • 8. 

    Which substance is secreted by glands, then deposited on the surface of the epidermal cells, where it makes a protective barrier against pathogens.

    • A.

      Gastric juice

    • B.

      Tears

    • C.

      Sebum

    • D.

      Urine

    Correct Answer
    C. Sebum
    Explanation
    Sebum is the correct answer because it is a substance secreted by glands and deposited on the surface of the epidermal cells. Sebum acts as a protective barrier against pathogens, preventing their entry into the body through the skin. It also helps to keep the skin moisturized and prevents it from drying out.

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  • 9. 

    Which substance below uses pH to keep microbial invaders out of the cervical region?

    • A.

      Urine

    • B.

      Stomach

    • C.

      Mucous

    • D.

      Vaginal secretions

    Correct Answer
    D. Vaginal secretions
    Explanation
    Vaginal secretions use pH to keep microbial invaders out of the cervical region. The vagina has an acidic pH, typically ranging from 3.5 to 4.5, which creates an inhospitable environment for many harmful bacteria and fungi. This acidic pH is maintained by the presence of lactic acid-producing bacteria, which help to keep the vaginal ecosystem balanced and prevent the overgrowth of harmful microorganisms. By maintaining a low pH, vaginal secretions act as a natural defense mechanism against potential infections in the cervical region.

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  • 10. 

    How does fever affect microbes?

    • A.

      It slows them down when moving

    • B.

      It makes them swell

    • C.

      It dehydrates them

    • D.

      It slows their growth

    • E.

      It makes them sweat

    Correct Answer
    D. It slows their growth
    Explanation
    Fever is a natural defense mechanism of the body to fight off infections. When the body temperature rises, it creates an unfavorable environment for microbes to thrive and reproduce. The increased temperature can disrupt the enzymes and metabolic processes of the microbes, slowing down their growth and replication. This helps to limit the spread of the infection and gives the immune system more time to eliminate the microbes.

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  • 11. 

    What passes through the urethra to clear it of microbes?

    • A.

      Lymph

    • B.

      Blood

    • C.

      Mucous

    • D.

      Urine

    • E.

      Air

    Correct Answer
    D. Urine
    Explanation
    Urine passes through the urethra to clear it of microbes. The urethra is a tube that connects the bladder to the external opening of the body. As urine is produced in the kidneys and stored in the bladder, it carries waste products and microbes out of the body through the urethra. Urine contains substances that can help flush out bacteria and other harmful microbes, helping to keep the urethra and urinary tract free from infection. Therefore, urine is the correct answer as it is responsible for clearing the urethra of microbes.

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  • 12. 

    When tissue is inflamed, the tissue is warm.  Why?

    • A.

      Blood clotting creates heat

    • B.

      White blood cells are warm

    • C.

      The increased blood flow makes it warm

    • D.

      Muscle contractions cause heat to be released

    • E.

      The area around the wound cools, making the wound feel warmer

    Correct Answer
    C. The increased blood flow makes it warm
    Explanation
    When tissue is inflamed, the increased blood flow makes it warm. Inflammation is a response of the body's immune system to injury or infection, and it involves the dilation of blood vessels in the affected area. This increased blood flow brings more oxygen and nutrients to the tissue, as well as immune cells to fight off any pathogens. The increased blood flow also causes the tissue to become warm to the touch.

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  • 13. 

    Not long after sticking yourself with a pin, you see pus draining from the wound.  What is pus?

    • A.

      Dead immune cells

    • B.

      Interstitial fluid

    • C.

      Cytoplasm

    • D.

      Lymphatic fluid

    • E.

      Platelets

    Correct Answer
    A. Dead immune cells
    Explanation
    Pus is a thick, yellowish fluid that is formed as a result of an infection. It consists of dead immune cells, such as white blood cells, that have gathered at the site of infection to fight off the invading bacteria or pathogens. The presence of pus indicates that the immune system is actively working to combat the infection.

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  • 14. 

    An antigen is...

    • A.

      A type of immune cell

    • B.

      A substance that the immune system recognizes as foreign

    • C.

      A cell that attacks microbes

    • D.

      A symptom of an allergic attack

    • E.

      A and C are correct

    Correct Answer
    B. A substance that the immune system recognizes as foreign
    Explanation
    An antigen is a substance that the immune system recognizes as foreign. When an antigen enters the body, the immune system produces specific proteins called antibodies to neutralize or eliminate the antigen. This immune response is crucial for defending the body against infections and diseases. Antigens can be molecules from pathogens such as bacteria or viruses, as well as substances from allergens or transplanted tissues. By recognizing and responding to antigens, the immune system plays a vital role in maintaining the body's overall health and protecting it from harm.

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  • 15. 

    Self tolerance is...

    • A.

      The ability to tolerate illness

    • B.

      The ability to withstand a fever

    • C.

      The ability to allow certain pathogens to exist in the body

    • D.

      The ability to turn immunity on or off

    • E.

      The immune systems ability to recognize tissues as being self

    Correct Answer
    E. The immune systems ability to recognize tissues as being self
    Explanation
    Self tolerance refers to the immune system's ability to recognize and distinguish its own tissues as "self" and not mount an immune response against them. This is crucial for maintaining normal bodily functions and preventing the immune system from attacking its own tissues, which can lead to autoimmune diseases. Self tolerance ensures that the immune system only targets foreign substances, such as pathogens, while leaving the body's own healthy tissues unharmed.

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  • 16. 

    An autoimmune disease is..

    • A.

      The loss of immunity

    • B.

      The loss of self tolerance

    • C.

      The loss of an antigen

    • D.

      The loss of lymph

    • E.

      The loss of blood

    Correct Answer
    B. The loss of self tolerance
    Explanation
    An autoimmune disease refers to a condition where the immune system mistakenly attacks healthy cells and tissues in the body. This occurs due to the loss of self-tolerance, which means that the immune system fails to recognize the body's own cells as "self" and instead targets them as if they were foreign invaders. This loss of self-tolerance leads to the immune system attacking and damaging various organs and tissues, resulting in autoimmune diseases.

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  • 17. 

    Imagine that you are a pathogen in the human body.  Suddenly, a large cell approaches you.  The cell “reads” the antigens on your cell membrane, then it clamps on to you and prevents you from reproducing.  In a few hours, you die.  What kind of cell just killed you?

    • A.

      Macrophage

    • B.

      T-cell

    • C.

      Red blood cell

    • D.

      B-cell

    Correct Answer
    B. T-cell
    Explanation
    A T-cell just killed the pathogen. T-cells are a type of white blood cell that play a crucial role in the immune response. They are responsible for recognizing foreign antigens on the surface of pathogens and activating the immune system to destroy them. In this scenario, the T-cell recognized the antigens on the pathogen's cell membrane, clamped onto it, and prevented it from reproducing. As a result, the pathogen was unable to survive and died within a few hours.

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  • 18. 

    Aids is...

    • A.

      An opportunistic disease

    • B.

      The cause of HIV

    • C.

      The last stage in HIV infection

    • D.

      The source of the HIV infection

    Correct Answer
    C. The last stage in HIV infection
    Explanation
    AIDS is the last stage in HIV infection. HIV is a virus that attacks the immune system, and if left untreated, it can progress to AIDS. AIDS stands for Acquired Immunodeficiency Syndrome, and it is characterized by a severely weakened immune system, making individuals more susceptible to opportunistic infections and diseases. Therefore, AIDS is not the cause of HIV, but rather the final and most severe stage of the HIV infection.

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  • 19. 

    The HIV virus can be killed by which item?

    • A.

      The immune system

    • B.

      Opportunistic diseases

    • C.

      Detergents

    • D.

      All of the above

    Correct Answer
    C. Detergents
    Explanation
    Detergents can kill the HIV virus because they have the ability to break down the protective envelope surrounding the virus. This envelope is essential for the virus to enter and infect human cells. Detergents disrupt the lipid membrane of the envelope, rendering the virus inactive and unable to cause infection.

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  • 20. 

    As the body ages, the T-cells and B-cells become less responsive to ___

    • A.

      Antigens

    • B.

      Self tolerance

    • C.

      Antibodies

    • D.

      Immunity

    Correct Answer
    A. Antigens
    Explanation
    As the body ages, the T-cells and B-cells, which are key components of the immune system, become less responsive to antigens. Antigens are substances that can trigger an immune response, such as viruses or bacteria. This decreased responsiveness can lead to a weakened immune system and reduced ability to fight off infections and diseases.

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

  • Current Version
  • Apr 04, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 09, 2011
    Quiz Created by
    Russcrick
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