Chapters 6 & 7

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Across
  1. 1. A severe, systemic,life-threatening allergic reaction characterized by rapidly decreasing blood pressure and respiratory obstruction
  2. 5. Disease-causing microbes often referred to as "germs"
  3. 7. Single-cell organisms enclosed within a cell wall and sometimes an outer capsule
  4. 9. Mode of transmission when respiratory or salivary secretions containing pathogens are expelled from the body
  5. 11. Immunity acquired by exposure to the antigen
  6. 13. Mode of transmission involving an intermediary
  7. 16. Mode of transmission such as touching an infectious lesion or having sexual intercourse
  8. 17. Signs of infection include fever, headache, fatigue, anorexia, and malaise
Down
  1. 2. Capacity of microbes to cause disease
  2. 3. Mode of transmission involving small particles from the respiratory tract that remain in the air and infect any new host who inhales the particles
  3. 4. Results from a deficit of any component of the immune response
  4. 6. Transmitted by blood, tissues, or sexual contact, not by casual contact. May be transmitted by infected mothers to infants before, during, or after birth
  5. 8. Type of disease that develops when antibodies form in response to self-antigens, elements of the person's cells or tissues
  6. 10. Signs of infection are usually those of inflammation: pain or tenderness, swelling, redness, and warmth
  7. 12. Respiratory infection caused by a virus that frequently mutates, preventing the development of long-term immunity in response to vaccination or infection
  8. 14. An intracellular parasite requiring a living host cell for reproduction
  9. 15. Immunity which provides only temporary protection