Other questions in this quiz

2. How is HIV/AIDS transmitted?

  • touching someone who is infected
  • sharing infected bodily fluids
  • eating contaminated food
  • it cannot be transmitted human to human

3. Why do secondary infections occur in HIV/AIDS?

  • reduced hormonal secretion
  • reduced T helper cell numbers
  • reduced T killer cell numbers
  • increased T killer cell numbers

4. What is HIV/AIDS caused by?

  • bacteriophage
  • bacteria
  • retrovirus
  • parasites

5. How does TB bacteria survive in the lungs?

  • waxy outer layer protects them from enzymes
  • flagella protect them from enzymes
  • enzymes kill immune cells
  • hide inside the macrophages




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