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

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

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

What is the term for a microorganism that causes disease?

<p>Pathogen (D)</p> Signup and view all the answers

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

<p>Transmitted (C)</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 (D)</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 (C)</p> Signup and view all the answers

Who made significant contributions to medical microbiology?

<p>Louis Pasteur (B)</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 (A)</p> Signup and view all the answers

What is the primary way malaria is transmitted?

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

What is rabies primarily transmitted through?

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

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

<p>Using sterilized equipment (B)</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 (C)</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 (D)</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 (A)</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 (C)</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 (D)</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 (A)</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 (B)</p> Signup and view all the answers

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

<p>Airborne transmission (A)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

What is the primary function of the immune system?

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

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

<p>Fever (D)</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 (C)</p> Signup and view all the answers

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

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

What is the primary consequence of consuming contaminated food?

<p>Foodborne illnesses (B)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>Cholera (D)</p> Signup and view all the answers

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

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

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

<p>Vector-borne pathogens (B)</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 (C)</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 (C)</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 (C)</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 (C)</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 (B)</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 (A)</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 (A)</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 (B)</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 (C)</p> Signup and view all the answers

What is a common outcome of consuming contaminated food?

<p>Severe diarrhea and dehydration (C)</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 (D)</p> Signup and view all the answers

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

<p>Waterborne transmission (D)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Death (C)</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 (C)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Vector-borne transmission (C)</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 (B)</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 (D)</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 (B)</p> Signup and view all the answers

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

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

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