History of Immunity and Vaccinations

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Questions and Answers

What type of bacteria are commensal bacteria considered to be?

  • Viral bacteria
  • Pathogenic bacteria
  • Good bacteria (correct)
  • Antibiotic-resistant bacteria

Who was the first person to demonstrate the concept of vaccination?

  • Autocrat of Russia
  • Thomas Dimsdale
  • Catherine the Great (correct)
  • Edward Jenner

What did Thomas Dimsdale do to induce immunity in healthy people?

  • Rubbing scabs of smallpox on them (correct)
  • Injecting cow pox
  • Giving oral vaccines
  • Administering antibiotics

What is the main focus of immunotherapy?

<p>Training the immune system to kill cancers (C)</p> Signup and view all the answers

Which cells are responsible for protecting the body against cancer by recognizing and eliminating mutated cells?

<p>Immune system cells (A)</p> Signup and view all the answers

What is the main function of dendritic cells in the immune system?

<p>Engulf and destroy pathogens (B)</p> Signup and view all the answers

Which immune cells are the front line immune cells and the most common in the body?

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

What is a key function of T cells in adaptive immunity?

<p>Recognize and kill foreign entities (A)</p> Signup and view all the answers

What is a characteristic of innate immunity?

<p>Rapid but non-specific defense (D)</p> Signup and view all the answers

Which cells release signaling molecules called cytokines and chemokines to recruit additional immune cells during an infection?

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

Where do B cells mature in the immune system?

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

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