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Ninth Grade (Grade 9) Infections Questions

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Grade 9 Infections
Which of the following systems does HIV destroy?
  1. circulatory
  2. nervous
  3. respiratory
  4. immune
Grade 9 Infections
Grade 9 Infections
There are differences in the ways bacteria and viruses grow and reproduce, which lead to different ways of medically treating bacterial and viral infections. Which of the following is a difference in the way that bacterial and viral infections are treated medically?
  1. viruses can be treated with antibiotics, bacteria cannot
  2. vaccinations provide immunity from viruses, but not bacteria
  3. vaccinations provide immunity from bacteria, but not viruses
  4. bacteria can be treated with antibiotics, viruses cannot
Grade 9 Infections
A vaccine, like the flu shot, does not cause symptoms of the disease in an individual because                                                                        .
  1. the vaccine does not contain any part of the virus
  2. the individual already has antibodies to battle symptoms of the disease
  3. the individual has already been exposed to the pathogen
  4. the vaccine contains a virus in a killed or weakened state
Grade 9 Infections
Which of the following is NOT one of the ways that mucus protects your body from pathogens?
  1. mucus traps pathogens
  2. mucus prevents your skin from cracking
  3. mucus contains enzymes which break down pathogens
  4. mucus makes it harder to breathe
Grade 9 Infections
Rubella is a viral infection that causes symptoms including fever, headache, a runny nose, and a rash. If a person receives the rubella vaccination as a child and then is exposed to the rubella virus as an adult, they will MOST likely have
  1. the same symptoms because childhood vaccines do not prevent adult infections.
  2. no symptoms because of the immunity acquired through the childhood vaccination.
  3. the same symptoms because vaccines must be taken after, not before, infection
  4. no symptoms because rubella is a virus that can only infect children.
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