Gr 8 Natural Sciences Ch 1.3: Harmful microorganisms
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Questions and Answers

What is the term for making something impure by exposure to or addition of a poisonous or polluting substance?

  • Fever
  • Transmitted
  • Contaminate (correct)
  • Immune System

    • Which of the following is NOT a common mode of transmission?

  • Waterborne Transmission
  • Digital Transmission (correct)
  • Foodborne Transmission
  • Airborne Transmission

    • What is the term for the body's defense system against infections and diseases?

  • Contaminate
  • Immune System (correct)
  • Pathogen
  • Fever

    • Which disease is typically transmitted through untreated and contaminated water?

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

    What happens when an infected person sneezes or coughs?

    <p>Tiny droplets containing pathogens are released into the air</p> Signup and view all the answers

    What type of bacteria can infect a person through a wound caused by rusty metal?

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

    What is the term for a microorganism that causes disease?

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

    What is the term for the spread of pathogens from one host to another?

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

    What is the primary way to prevent the spread of pathogens?

    <p>Regular hand washing with soap and warm water</p> Signup and view all the answers

    Which of the following is NOT a way HIV is transmitted?

    <p>Touching an infected person's skin</p> Signup and view all the answers

    Who made significant contributions to medical microbiology?

    <p>Louis Pasteur</p> Signup and view all the answers

    What is the primary role of vaccination?

    <p>To stimulate the immune system to recognize and fight specific pathogens</p> Signup and view all the answers

    What is the primary way malaria is transmitted?

    <p>Through bites from infected mosquitoes</p> Signup and view all the answers

    What is the main benefit of using sterilized equipment in medical settings?

    <p>To prevent the spread of infections like HIV</p> Signup and view all the answers

    What is the role of scientists in combating infectious diseases?

    <p>To create vaccines and discover new treatments</p> Signup and view all the answers

    What is rabies primarily transmitted through?

    <p>Infected animals such as dogs and bats</p> Signup and view all the answers

    What is the primary mechanism of transmission for diseases such as rabies and malaria?

    <p>Vector-borne transmission</p> Signup and view all the answers

    Which practice is crucial in medical settings to prevent infections like HIV?

    <p>Using sterilized equipment</p> Signup and view all the answers

    What is the primary consequence of HIV infection on the human body?

    <p>Weakening of the immune system</p> Signup and view all the answers

    What is the primary benefit of vaccination in preventing infectious diseases?

    <p>Stimulating the immune system to recognize and fight specific pathogens</p> Signup and view all the answers

    What is the primary way to prevent mother-to-child transmission of HIV?

    <p>Testing and treating pregnant women</p> Signup and view all the answers

    What is the primary contribution of Louis Pasteur to medical microbiology?

    <p>Development of vaccines for rabies and anthrax</p> Signup and view all the answers

    What is the primary reason for pursuing a career in microbiology or medical research?

    <p>To make a difference in the world by combating infectious diseases</p> Signup and view all the answers

    What is the primary benefit of regular hand washing with soap and warm water?

    <p>Reducing the risk of transmitting infections</p> Signup and view all the answers

    Why is understanding how pathogens are transmitted and how to prevent infections crucial?

    <p>To maintain public health</p> Signup and view all the answers

    What is the primary mode of transmission for diseases like the flu and tuberculosis?

    <p>Airborne transmission</p> Signup and view all the answers

    What is the common outcome of waterborne diseases such as cholera and typhoid?

    <p>Severe diarrhea and dehydration</p> Signup and view all the answers

    What is the primary way to prevent the spread of pathogens through food?

    <p>Properly handling and storing food</p> Signup and view all the answers

    What is the primary route of entry for pathogens that cause tetanus?

    <p>Through cuts or wounds</p> Signup and view all the answers

    What is the primary function of the immune system?

    <p>To fight against infections and diseases</p> Signup and view all the answers

    What is the term for an increase in body temperature, often due to infection?

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

    What is the term for the process of making something impure by exposure to or addition of a poisonous or polluting substance?

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

    Which of the following diseases can be transmitted through airborne transmission?

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

    What is the primary consequence of consuming contaminated food?

    <p>Foodborne illnesses</p> Signup and view all the answers

    Which route of transmission involves the spread of pathogens through direct contact with an infected person's wound?

    <p>Direct contact transmission</p> Signup and view all the answers

    What is the primary function of the immune system?

    <p>To defend the body against infections and diseases</p> Signup and view all the answers

    Which of the following is an example of a waterborne disease?

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

    What is the primary consequence of waterborne diseases such as cholera and typhoid?

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

    Which mode of transmission involves the spread of pathogens through contaminated food and water?

    <p>Foodborne and waterborne transmission</p> Signup and view all the answers

    Why is understanding how pathogens are transmitted and how to prevent infections crucial?

    <p>To maintain public health</p> Signup and view all the answers

    What type of pathogens are transmitted through bites from infected animals or insects?

    <p>Vector-borne pathogens</p> Signup and view all the answers

    What is the primary purpose of using sterilized equipment in medical settings?

    <p>To prevent the spread of pathogens</p> Signup and view all the answers

    What is the primary way to prevent the spread of HIV from mother to child?

    <p>Through testing and treating pregnant women</p> Signup and view all the answers

    What is the primary contribution of Louis Pasteur to medical microbiology?

    <p>Developing vaccines for rabies and anthrax</p> Signup and view all the answers

    What is the primary benefit of vaccination in preventing infectious diseases?

    <p>It stimulates the immune system to recognize and fight specific pathogens</p> Signup and view all the answers

    What is the primary consequence of HIV infection on the human body?

    <p>It weakens the immune system</p> Signup and view all the answers

    What is the primary reason for pursuing a career in microbiology or medical research?

    <p>To make a difference in the world by combating infectious diseases</p> Signup and view all the answers

    What is the primary benefit of regular hand washing with soap and warm water?

    <p>It significantly reduces the risk of transmitting infections</p> Signup and view all the answers

    What is the primary reason why some microorganisms are considered pathogens?

    <p>They are able to infect and cause disease in humans</p> Signup and view all the answers

    Which of the following is a consequence of not preventing the spread of pathogens?

    <p>Severe health issues and even death</p> Signup and view all the answers

    What is a common outcome of consuming contaminated food?

    <p>Severe diarrhea and dehydration</p> Signup and view all the answers

    Which of the following is a primary function of the immune system?

    <p>To defend the body against infections and diseases</p> Signup and view all the answers

    What is a common mode of transmission for diseases such as cholera and typhoid?

    <p>Waterborne transmission</p> Signup and view all the answers

    Which of the following is a primary route of entry for pathogens that cause tetanus?

    <p>Through wounds caused by rusty metal</p> Signup and view all the answers

    What is a primary way to prevent the spread of pathogens through food?

    <p>Preparing food with proper hygiene</p> Signup and view all the answers

    Which of the following is a primary consequence of severe diarrhea and dehydration?

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

    What is the primary mechanism by which HIV attacks the immune system?

    <p>By attacking white blood cells</p> Signup and view all the answers

    What is the primary role of Louis Pasteur in microbiology?

    <p>Discovery of pasteurization and development of vaccines for rabies and anthrax</p> Signup and view all the answers

    What is the primary benefit of practicing safe sex in preventing the spread of HIV?

    <p>Reducing the risk of transmission through unprotected sex</p> Signup and view all the answers

    What is the primary mode of transmission for diseases such as malaria?

    <p>Vector-borne transmission</p> Signup and view all the answers

    What is the primary consequence of HIV infection on the immune system?

    <p>It weakens the immune system, making it harder to fight infections</p> Signup and view all the answers

    What is the primary reason for pursuing a career in microbiology or medical research?

    <p>To make a difference in the world by combating infectious diseases</p> Signup and view all the answers

    What is the primary benefit of using sterilized equipment in medical settings?

    <p>To reduce the risk of transmission through infected medical equipment</p> Signup and view all the answers

    What is the primary mechanism of transmission for diseases such as rabies?

    <p>Vector-borne transmission</p> Signup and view all the answers

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