Infection and Pathogens
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Questions and Answers

What is a possible symptom of an infectious disease that impacts the brain or nervous system?

  • Difficulty with walking (correct)
  • Vomiting
  • Rash formation
  • Weight loss

What is the main difference between infection and disease in terms of etiology?

  • Infections are caused by internal factors, while diseases are caused by external factors
  • Infections are caused by antibiotics, while diseases are caused by viruses
  • Infections are always caused by external pathogens, while diseases can be caused by internal or external factors (correct)
  • Infections are caused by genetic mutations, while diseases are caused by bacteria

What is an example of a disease caused by a type of Lentivirus?

  • HIV (correct)
  • Chlamydia
  • Toxoplasmosis
  • Meningococcal disease

What is the term for abnormal growths of mutated tissues that destroy healthy tissues?

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

What is the term for infections caused by microorganisms that do not normally cause disease in a person with a properly functioning immune system?

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

What is the term for the ability of a pathogen to invade and cause illness in another organism?

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

Which of the following is an example of a non-living agent that can cause infection?

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

What is the term for the process by which harmful agents invade another organism and cause illness?

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

Which of the following is a common route of transmission for pathogens?

<p>All of the above (D)</p> Signup and view all the answers

What is the term for the symptoms caused by the immune system's response to an infection?

<p>Immune-mediated symptoms (A)</p> Signup and view all the answers

What is the primary characteristic that distinguishes parasites from other infectious agents?

<p>They have complex lifecycles (B)</p> Signup and view all the answers

What is the main difference between an infection and a disease?

<p>A disease is a state of internal biochemical or structural imbalance, while an infection is the presence of a foreign agent (C)</p> Signup and view all the answers

What is the primary mechanism by which prions proliferate?

<p>By causing normally shaped proteins to misfold (C)</p> Signup and view all the answers

What is the common characteristic of rheumatoid arthritis, Huntington's disease, and cancer?

<p>They are all diseases with a known etiology (B)</p> Signup and view all the answers

What is the primary outcome of the battle between pathogens and immune cells during an infectious disease?

<p>Damage accumulates on both sides of the fence (A)</p> Signup and view all the answers
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