Pathogens and Malaria Overview
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Questions and Answers

What type of pathogen causes the disease malaria?

  • Bacteria
  • Virus
  • Protist (correct)
  • Vector
  • The disease malaria is caused by mosquitoes.

    False (B)

    What spreads the malarial pathogen between people?

    mosquito bites

    The malaria protist reproduces _______ in the blood.

    <p>asexually</p> Signup and view all the answers

    What is a vector?

    <p>An animal that spreads pathogens between people (C)</p> Signup and view all the answers

    What is a pathogen?

    <p>A microorganism that can cause disease (B)</p> Signup and view all the answers

    How does the protist that causes malaria reproduce rapidly in the body?

    <p>asexually</p> Signup and view all the answers

    Human skin is a non-specific defense against pathogens.

    <p>True (A)</p> Signup and view all the answers

    Draining stagnant water can help reduce malaria infections.

    <p>True (A)</p> Signup and view all the answers

    Name one way HIV can be spread.

    <p>Through sexual contact or exchanging bodily fluids.</p> Signup and view all the answers

    Where does the malaria protist reproduce sexually?

    <p>In mosquitoes (C)</p> Signup and view all the answers

    Antibiotics kill or inhibit the growth of ______.

    <p>bacteria</p> Signup and view all the answers

    Match the following types of pathogens with an example of a disease they cause:

    <p>Virus = HIV/AIDS Bacteria = Strep throat Fungus = Athlete's foot Protists = Malaria</p> Signup and view all the answers

    Why are antibiotics not damaging to the animal or plant being given antibiotics?

    <p>They target bacterial cells, not host cells (B)</p> Signup and view all the answers

    A house fly can be considered a pathogen.

    <p>False (B)</p> Signup and view all the answers

    Malaria is caused by a mosquito pathogen.

    <p>False (B)</p> Signup and view all the answers

    What is the primary symptom of malaria?

    <p>fever</p> Signup and view all the answers

    What disease is caused by the malarial protist?

    <p>Malaria</p> Signup and view all the answers

    Malaria is a disease caused by a __________ pathogen.

    <p>protist</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Vector = An animal that transfers pathogens Pathogen = A disease-causing organism Symptom = A sign of illness Prototist = Single-celled organism causing malaria</p> Signup and view all the answers

    Which method does not help prevent malaria?

    <p>Drinking infected water (A)</p> Signup and view all the answers

    Mosquitos reproduce sexually inside a human host.

    <p>False (B)</p> Signup and view all the answers

    Name one way to prevent the spread of malaria.

    <p>using mosquito nets</p> Signup and view all the answers

    Flashcards

    What is a pathogen?

    A microorganism that can cause disease.

    What causes malaria?

    A protist called Plasmodium.

    What is a protist?

    A protist is a type of single-celled eukaryotic organism.

    Why are antibiotics not damaging to the animal or plant being given antibiotics?

    Antibiotics work by damaging the bacteria cells, but not the host cells. This is possible because bacteria have different structures than human cells.

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    How do antibiotics treat bacterial infections?

    Antibiotics are used to treat bacterial infections because they kill or inhibit the growth of bacteria.

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    How is HIV spread?

    HIV is a virus that attacks the immune system and can be spread through sexual contact or sharing needles.

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    Is human skin a specific or non-specific defence against pathogens?

    Human skin is a non-specific defense against pathogens because it acts as a physical barrier to prevent pathogens from entering the body.

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    Why can a house fly be a pathogen?

    A house fly can be a pathogen because it can spread disease by carrying bacteria and viruses on its body.

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    Malaria

    A disease caused by a protist pathogen that is spread through mosquito bites.

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    Protists

    Single-celled eukaryotic organisms, some of which are parasites.

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    Vector

    An organism that carries and transmits a pathogen without being affected by it itself.

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    Transmission

    The process by which a pathogen is transferred from an infected individual to a healthy individual.

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    Why malaria can't be treated with antibiotics?

    Antibiotics are effective against bacterial infections, not protist infections.

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    Asexual reproduction of malaria protist

    The rapid multiplication of a protist inside a host's blood cells.

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    Why draining water helps reduce malaria

    The process of draining stagnant water to prevent mosquito breeding grounds.

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    Sexual reproduction of malaria protist

    The process where mosquitoes ingest the malaria protist during a blood meal and it undergoes sexual reproduction inside the mosquito.

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    What is Plasmodium?

    A protist pathogen that is spread by a mosquito that can cause malaria.

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    What is a vector?

    A living thing that carries a pathogen from one organism to another.

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    What causes fever in malaria?

    A common symptom of malaria caused by the protist pathogen.

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    What is malaria?

    A disease caused by a protist pathogen transmitted by mosquitoes.

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    How can we prevent malaria?

    Killing off the protist that causes malaria or reducing its ability to reproduce.

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    Why is mosquito control important in preventing malaria?

    The spread of malaria is reduced by reducing mosquito breeding.

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    How do mosquitos spread malaria?

    They act as carriers of the protist pathogen that causes malaria.

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    Study Notes

    Pathogens and Diseases

    • A pathogen is a microorganism that causes disease.
    • Examples of pathogens are viruses, bacteria, fungi, and protists.
    • Malaria is a disease caused by a protist.
    • Mosquitoes are vectors that spread the malaria protist.
    • The malaria protist reproduces rapidly inside the human body.

    Malaria Transmission

    • The malaria protist's life cycle involves sexual and asexual reproduction.
    • The sexual stage occurs in mosquitoes, and the asexual stage occurs in humans.
    • Mosquito bites transmit the malaria protist from one person to another.
    • The mosquito acts as a vector, transmitting the pathogen.

    Malaria Symptoms

    • Common symptoms include: headache, fatigue, nausea, vomiting, chills, fever, and muscle aches, and can be fatal.
    • Repeated fevers are a possible symptom.

    Malaria Prevention

    • Draining stagnant water can reduce mosquito breeding sites.
    • Using mosquito nets prevents mosquito bites.

    Antibiotics and Malaria

    • Antibiotics are ineffective against protist pathogens, such as those that cause malaria.

    Pathogen Classification

    • Viruses are one type of pathogen.
    • Bacteria are another.
    • Fungi (e.g., athlete’s foot) are also pathogens.
    • Protists (e.g., malaria) are a type of pathogen.
    • A house fly is not a pathogen because it is not a microorganism.

    Microorganism Classification

    • Pathogens are microscopic organisms (e.g., viruses, bacteria, fungi, protists).

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    Description

    Explore the essentials of pathogens, particularly focusing on malaria. This quiz covers the types of pathogens, the transmission and life cycle of the malaria protist, common symptoms of the disease, and effective prevention strategies. Test your knowledge on how to combat this serious health issue.

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