Types of Infections and Modes of Transmission Quiz
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are some common symptoms of 2019-nCoV?

  • Sore throat, runny nose, and body aches
  • Fever, cough, shortness of breath, and difficulty breathing (correct)
  • Headache, muscle pain, and fatigue
  • Nausea, vomiting, and abdominal pain

    • Why are people with underlying health conditions at higher risk for severe disease?

  • Due to their compromised immune system (correct)
  • Because of their genetic predisposition
  • Because of the virus's high mutation rate
  • As a result of their age and lifestyle

    • What is the period of time between initial infection and the first appearance of signs and symptoms?

  • Prodromal period
  • Period of convalescence
  • Period of illness
  • Incubation period (correct)

    • What is the term for the period when the disease is at its highest severity?

    <p>Period of illness</p> Signup and view all the answers

    What is essential for a disease to perpetuate itself?

    <p>A continual source of the disease organisms</p> Signup and view all the answers

    What are coronaviruses?

    <p>A large family of viruses</p> Signup and view all the answers

    How do Salmonella pathogens enter host cells?

    <p>By altering host actin</p> Signup and view all the answers

    What is the characteristic effect of Listeria toxins?

    <p>Endotoxic shock</p> Signup and view all the answers

    Which term refers to the substances contributing to pathogenicity?

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

    What is the function of Leukocidin?

    <p>Lysing RBCs</p> Signup and view all the answers

    Which type of toxin disrupts the host cells' plasma membrane?

    <p>Exotoxins A-B</p> Signup and view all the answers

    What effect does the release of endotoxins cause?

    <p>Cytokine release</p> Signup and view all the answers

    What is one of the portals of exit mentioned in the text?

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

    Which physical factor provides protection as a first line of defense along with the epidermis?

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

    What is the function of Lysozyme in microbial defense?

    <p>Breaking down bacterial cell walls</p> Signup and view all the answers

    Which type of immunity provides resistance to a specific pathogen?

    <p>Adaptive immunity</p> Signup and view all the answers

    What metabolic waste from helminths can lead to symptoms?

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

    Apart from sebum, which other chemical factor contributes to the skin's defense mechanisms?

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

    Through which way does systemic infection spread throughout the body?

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

    What type of infection occurs after the host is weakened from a primary infection?

    <p>Secondary infection</p> Signup and view all the answers

    What is the meaning of 'novel' as used in the context?

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

    What type of infection causes the initial illness in the body?

    <p>Primary infection</p> Signup and view all the answers

    In which animal species are coronaviruses commonly found?

    <p>Camels, cattle, cats, and bats</p> Signup and view all the answers

    What does sepsis arise from according to the provided text?

    <p>Growth of bacteria in the blood</p> Signup and view all the answers

    What assay is used to detect endotoxins in drugs and on medical devices?

    <p>LAL assay</p> Signup and view all the answers

    How does the Cryptococcus fungus prevent phagocytosis?

    <p>By forming a capsule</p> Signup and view all the answers

    What is the visible effect of a viral infection in terms of cell damage?

    <p>Cytocidal effects</p> Signup and view all the answers

    Which pathogen mimics Ach (acetylcholine) spikes?

    <p>Rabies virus</p> Signup and view all the answers

    How do some protozoa avoid host defenses?

    <p>By growing inside cells</p> Signup and view all the answers

    Which toxin is produced by Aspergillus flavus?

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

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser