Bio - Vaccines, Struct/Fxn, Nature Notes Review

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About This Quiz

This quiz covers key concepts in immunology, focusing on the structure and function of vaccines, adaptive immunity, and pathogen recognition. It assesses understanding of how the immune system detects and fights pathogens, enhancing learners' knowledge in biological defense mechanisms.

Bio - Vaccines, Struct/Fxn, Nature Notes Review - Quiz

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  • 2. 

    Spending time in nature is very good for you.  

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Spending time in nature has been proven to have numerous benefits for our physical and mental well-being. It helps reduce stress, improve mood, boost creativity, enhance cognitive function, and increase overall happiness. Being in nature allows us to disconnect from the fast-paced modern world and connect with the natural environment, which has a calming and rejuvenating effect on our mind and body. Therefore, it is true that spending time in nature is very good for us.

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  • 3. 

    Your heart has the proper structures (chambers, pumps, valves) to carry out its function (to pump blood).

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the heart is composed of various structures such as chambers, pumps, and valves. These structures work together to carry out the heart's main function, which is to pump blood throughout the body. The chambers of the heart receive blood and then pump it out through the valves, ensuring that blood flows in the correct direction. Therefore, it can be concluded that the heart has the proper structures to perform its function effectively.

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  • 4. 

    Spending time in nature has many health benefits for humans.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Spending time in nature has been proven to have numerous health benefits for humans. Research has shown that being in nature can reduce stress, improve mood, boost creativity, and enhance overall well-being. Nature provides opportunities for physical activity, fresh air, and exposure to natural light, which can all contribute to improved physical health. Additionally, being in nature has been linked to lower blood pressure, reduced risk of chronic diseases, and improved immune function. Therefore, it can be concluded that the statement "Spending time in nature has many health benefits for humans" is true.

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  • 5. 

    Antibodies

    • Are polysaccharides.

    • Cause allergic responses to sugar.

    • Recognize and fight pathogens through their antibodies.

    Correct Answer
    A. Recognize and fight pathogens through their antibodies.
    Explanation
    The given answer correctly states that antibodies recognize and fight pathogens. Antibodies are proteins produced by the immune system in response to the presence of foreign substances, such as bacteria or viruses. They specifically bind to these pathogens, marking them for destruction by other immune cells. This recognition and targeting of pathogens is a crucial function of antibodies in the body's immune response. The other options, stating that antibodies are polysaccharides or cause allergic responses to sugar, are incorrect and do not accurately describe the role of antibodies.

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  • 6. 

    There is no scientific evidence that nature can provide health benefits to humans.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because there is scientific evidence that nature can provide health benefits to humans. Numerous studies have shown that spending time in nature can reduce stress, improve mood, boost the immune system, and enhance overall well-being. This concept, known as "nature therapy" or "ecotherapy," has gained recognition in the field of healthcare and is often recommended as a complementary treatment for various mental and physical health conditions.

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  • 7. 

    Why do drug addicts have a hard time staying off drugs?

    • Because their brains need more chemicals to be normal, and these changes last a LONG time.

    • Because they have "addictive personalities".

    • Because they have killed so many brain cells with drugs that their reasoning ability is no longer good.

    Correct Answer
    A. Because their brains need more chemicals to be normal, and these changes last a LONG time.
    Explanation
    Drug addiction is a complex condition that affects the brain's reward system. Prolonged drug use alters the brain's chemistry, leading to a dependence on the substance to feel normal. This dependency causes cravings and withdrawal symptoms when the drug is not present in the body. Additionally, the changes in the brain can persist for a long time, making it difficult for addicts to stay off drugs as their brain constantly seeks the chemical balance that the drugs provide. Therefore, drug addicts have a hard time staying off drugs because their brains require more chemicals to function normally, and these changes can last for a significant duration.

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  • 8. 

    Structure and function can sometimes be separated.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement suggests that structure and function can be separated. However, in most cases, structure and function are closely related and cannot be separated. The structure of an object or organism often determines its function. For example, the structure of a bird's wings allows it to fly. Therefore, the correct answer is False.

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  • 9. 

    Adaptive immunity

    • Allows you to better fight off pathogens you once came into contact with.

    • Allows you to fight off most viruses better than most bacteria.

    • Applies only to viruses and not bacteria.

    • Applies only to bacteria and not viruses.

    Correct Answer
    A. Allows you to better fight off pathogens you once came into contact with.
    Explanation
    Adaptive immunity allows you to better fight off pathogens you once came into contact with. This is because adaptive immunity involves the recognition and response to specific antigens, which are unique to each pathogen. When you are exposed to a pathogen for the first time, your immune system produces specific antibodies and immune cells that target and eliminate the pathogen. If you encounter the same pathogen again in the future, your immune system can quickly recognize it and mount a faster and more effective response, leading to better protection against that specific pathogen.

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  • 10. 

    A lot of addictive drugs work by 

    • Having a similar shape to naturally-occurring chemicals in the brain.

    • Destroying neurons.

    • Altering blood chemistry which in turn affects the brain and other parts of the nervous system.

    Correct Answer
    A. Having a similar shape to naturally-occurring chemicals in the brain.
    Explanation
    Addictive drugs often have a similar shape to naturally-occurring chemicals in the brain. This similarity allows them to bind to the same receptors as these natural chemicals, leading to the activation of the brain's reward system. By activating this system, addictive drugs can produce pleasurable sensations and reinforce the behavior of drug use. This similarity in shape also allows the drugs to mimic the effects of these natural chemicals, leading to a disruption in normal brain functioning and potentially causing addiction.

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  • 11. 

    Why do people who are coming down off drugs feel much worse than a normal person?

    • Because they have much less active dopamine than a normal person.

    • Because they have much more active dopamine than a normal person.

    • Because they have many extra empty receptors compared to a normal person.

    Correct Answer
    A. Because they have much less active dopamine than a normal person.
    Explanation
    When a person is coming down off drugs, their dopamine levels are significantly lower than that of a normal person. Dopamine is a neurotransmitter that plays a crucial role in regulating mood, pleasure, and motivation. Drug use can lead to an excessive release of dopamine, causing an artificial surge of pleasure and euphoria. However, when the drug wears off, the brain struggles to produce enough dopamine, resulting in withdrawal symptoms such as depression, anxiety, and fatigue. Therefore, individuals coming down off drugs feel much worse than a normal person due to the depletion of active dopamine in their system.

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  • 12. 

    What is adaptive immunity?

    • How an organism gets better and better at fighting pathogens by treating them all the same.

    • How an organism passes down its immunities to its offspring.

    • How an organism remembers pathogens and learns how to fight them.

    Correct Answer
    A. How an organism remembers pathogens and learns how to fight them.
    Explanation
    Adaptive immunity refers to the ability of an organism to remember pathogens it has encountered before and develop a specific response to fight them. This process involves the recognition of antigens on the pathogens, which triggers the production of antibodies or activation of immune cells. The immune system then "learns" from this encounter and can mount a faster and more effective response upon subsequent exposure to the same pathogen. This adaptive response is crucial for long-term protection against various diseases.

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  • 13. 

    Many addictive drugs

    • Increase the amount of dopamine that is active in your brain.

    • Decrease the amount of dopamine that is active in your brain.

    • Are only addictive to susceptible individuals.

    Correct Answer
    A. Increase the amount of dopamine that is active in your brain.
    Explanation
    Addictive drugs increase the amount of dopamine that is active in your brain. Dopamine is a neurotransmitter that plays a crucial role in the brain's reward system. When drugs increase the release or inhibit the reuptake of dopamine, it leads to a surge in dopamine levels, causing intense feelings of pleasure and reinforcing the desire to repeat the drug use. This dopamine increase is a key factor in the addictive nature of drugs, as it creates a strong association between drug use and pleasure, leading to cravings and compulsive drug-seeking behavior.

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  • 14. 

    Adaptive immunity

    • Takes a little time to work.

    • Is instantaneous once you are exposed to the antigens.

    • Only occurs in children whose immune systems are still developing.

    Correct Answer
    A. Takes a little time to work.
    Explanation
    Adaptive immunity takes a little time to work because it involves the activation and expansion of specific immune cells, such as T cells and B cells, which recognize and respond to specific antigens. This process requires time for these cells to be activated, proliferate, and differentiate into effector cells that can effectively eliminate the antigen. This is why adaptive immunity is not instantaneous and typically takes a few days to develop a robust immune response.

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  • 15. 

    Your immune system:  (check all that apply)

    • Can detect pathogens (through their antigens)

    • Can respond to invaders (pathogens) by coughing, sneezing, inflammation, fever, etc.

    • Responds the same way to all pathogens

    • Can remember antigens it was previously exposed to

    Correct Answer(s)
    A. Can detect pathogens (through their antigens)
    A. Can respond to invaders (pathogens) by coughing, sneezing, inflammation, fever, etc.
    A. Can remember antigens it was previously exposed to
    Explanation
    The immune system can detect pathogens through their antigens, respond to invaders (pathogens) by coughing, sneezing, inflammation, fever, etc., and remember antigens it was previously exposed to.

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  • 16. 

    (Choose ALL that apply.)Vaccines

    • Are not specific - each vaccine provides immunity against multiple pathogens.

    • Have saved numerous lives.

    • Have wiped out some diseases such as smallpox in some areas.

    Correct Answer(s)
    A. Have saved numerous lives.
    A. Have wiped out some diseases such as smallpox in some areas.
    Explanation
    Vaccines have saved numerous lives by preventing the spread of infectious diseases and reducing the severity of illness in those who do get infected. They have also been successful in eradicating certain diseases such as smallpox in specific regions.

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  • 17. 

    (Choose ALL that apply.)  Vaccines

    • Help prevent infectious disease.

    • Activate your adaptive immunity.

    • Take a little time to work.

    Correct Answer(s)
    A. Help prevent infectious disease.
    A. Activate your adaptive immunity.
    A. Take a little time to work.
    Explanation
    Vaccines help prevent infectious diseases by stimulating the immune system to produce a response against specific pathogens. They activate the adaptive immunity, which is responsible for producing long-term immunity against the pathogen. Vaccines take a little time to work because they need to stimulate the immune response and allow the body to build up immunity.

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  • 18. 

    Some of the health benefits of nature that have been researched include:  (Choose ALL that apply.)

    • Improved memory and concentration

    • Less anxiety and depression

    • Stronger immune systems

    • Decreased stress

    • Less incidence of muscular disease

    Correct Answer(s)
    A. Improved memory and concentration
    A. Less anxiety and depression
    A. Stronger immune systems
    A. Decreased stress
    Explanation
    Spending time in nature has been found to have several health benefits. Research has shown that being in nature can improve memory and concentration, as well as reduce anxiety and depression. It also strengthens the immune system and helps in decreasing stress levels. However, there is no evidence to suggest that it reduces the incidence of muscular disease.

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  • 19. 

    (Choose ALL that apply.)Live virus vaccines

    • Contain full strength pathogens

    • Are weakened

    • Sometimes cause mild disease

    • Provide poor immunity

    • Include the measles vaccine

    Correct Answer(s)
    A. Are weakened
    A. Sometimes cause mild disease
    A. Include the measles vaccine
    Explanation
    Live virus vaccines are weakened forms of the pathogens they aim to protect against. This weakening is done to ensure that the vaccine does not cause severe illness or disease in the recipient. However, even in their weakened state, live virus vaccines can still sometimes cause mild symptoms or disease in some individuals. One example of a live virus vaccine is the measles vaccine, which is included in the category of live virus vaccines.

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  • 20. 

    (Choose ALL that apply.)DNA vaccines

    • Contain only the antigens of the pathogens

    • Contain DNA that produces the antigens of pathogens

    • Cannot cause disease since it doesn't include the whole pathogen

    • Are used to prevent West Nile Virus in horses

    • Are not yet available for humans

    Correct Answer(s)
    A. Contain DNA that produces the antigens of pathogens
    A. Cannot cause disease since it doesn't include the whole pathogen
    A. Are used to prevent West Nile Virus in horses
    A. Are not yet available for humans
    Explanation
    DNA vaccines contain DNA that produces the antigens of pathogens. This means that instead of using the whole pathogen, the vaccine contains genetic material that codes for the antigens, which are the substances that trigger an immune response. By producing these antigens, the vaccine stimulates the immune system to recognize and respond to the specific pathogen. Additionally, DNA vaccines cannot cause disease since they do not include the whole pathogen, reducing the risk of infection. They are used to prevent West Nile Virus in horses and are not yet available for humans.

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  • 21. 

    (Choose ALL that apply.)Subunit vaccines

    • Contain only the antigens of the pathogens

    • Contain killed pathogens

    • Cannot cause disease since it doesn't include the whole pathogen

    • Provide immunity although it may not last or be as effective as other types of vaccines

    • Include the Hepatitis B vaccine

    Correct Answer(s)
    A. Contain only the antigens of the pathogens
    A. Cannot cause disease since it doesn't include the whole pathogen
    A. Provide immunity although it may not last or be as effective as other types of vaccines
    A. Include the Hepatitis B vaccine
    Explanation
    Subunit vaccines contain only the antigens of the pathogens, which means they do not include the whole pathogen. This makes them unable to cause disease. They provide immunity, although it may not last as long or be as effective as other types of vaccines. Additionally, the Hepatitis B vaccine is an example of a subunit vaccine.

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  • 22. 

    Because many addictive drugs increase the amount of dopamine by a TON, the brain

    • Adapts by decreasing dopamine receptors.

    • Can't handle it and "shuts down".

    • Adapts by increasing the production of dopamine.

    Correct Answer
    A. Adapts by decreasing dopamine receptors.
    Explanation
    When addictive drugs are consumed, they cause a significant increase in the amount of dopamine in the brain. In response to this excessive dopamine release, the brain adapts by decreasing the number of dopamine receptors. This is a protective mechanism to prevent the brain from becoming overwhelmed with dopamine. By reducing the number of receptors, the brain tries to restore balance and regulate dopamine levels. This adaptation can contribute to the development of tolerance and dependence on the addictive substance.

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  • 23. 

    Since many addictive drugs mimic the structure of naturally-occurring chemicals in the brain, many addictive drugs 

    • Also have the same function as naturally-occurring chemicals in the brain.

    • Are able to destroy the naturally-occurring chemicals of the brain.

    • Have nothing in common with the naturally-occurring chemicals of the brain.

    Correct Answer
    A. Also have the same function as naturally-occurring chemicals in the brain.
    Explanation
    Many addictive drugs mimic the structure of naturally-occurring chemicals in the brain, which means they can bind to the same receptors and have similar effects. This similarity in structure allows addictive drugs to also have the same function as naturally-occurring chemicals in the brain.

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  • 24. 

    (Choose ALL that apply.)Inactive vaccines

    • Contain full strength pathogens

    • Contain killed pathogens

    • Sometimes cause mild disease

    • Provide immunity although it may not last

    • Include the measles vaccine

    Correct Answer(s)
    A. Contain killed pathogens
    A. Provide immunity although it may not last
    A. Include the measles vaccine
    Explanation
    Inactive vaccines contain killed pathogens, which means that the pathogens are no longer able to cause disease. They are still able to stimulate an immune response in the body, leading to the production of antibodies and the development of immunity. However, this immunity may not last indefinitely and may require booster shots to maintain its effectiveness. The measles vaccine is an example of an inactive vaccine.

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  • Current Version
  • Apr 09, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 30, 2017
    Quiz Created by
    Mooneyja

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