Q.1
The blood cells that fight pathogens.
  • Leukocytes
  • Red blood cells
  • Plasma
  • Hemoglobin
Q.2
Antibodies are only effective against a specific pathogen because:
  • The shape of the antibody is the same as the shape of the antigen on the pathogen
  • The shape of the antibody is complementary to the shape of the antigen on the pathogen
  • Antibodies cause a primary immune response
  • Antibodies cause a secondary immune response
Q.3
A person produces antibodies to influenza after vaccination. This is an example of:
  • Natural (passive) immunity
  • Natural (active) immunity
  • Artificial (passive) immunity
  • Artificial (active) immunity
Q.4
A host is:
  • An organism that harbors a pathogen
  • Grant Denyer on Family Feud
  • An animal that transmits a pathogen
  • A microorganism that has been transmitted
Q.5
Molecules on the surface or at the end of pili that bind to receptors on host cells are called;
  • adhesins
  • complementary proteins
  • fimbriae
  • protein spikes
Q.6
The body's response to an infection by showing redness, swelling, & pain
  • immunization
  • mobilization (stage of infection)
  • inflammation
Q.7
Which of these diseases cannot be prevented through vaccination?
  • common cold
  • mumps
  • flu
  • measles
Q.8
Which of these diseases is caused by a fungus?
  • athlete’s foot
  • pinworms
  • mononucleosis
  • common cold
Q.9
Common cold
  • virus
  • protozoa
  • fungus
  • bacteria
  • parasite
Q.10
Body lice
  • virus
  • protozoa
  • fungus
  • bacteria
  • parasite
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