Besides direct physical contact, which example demonstrates an ...

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Besides direct physical contact, which example demonstrates an alternative mechanism of transmission of infection?
 
  A. The backpacker refilled his water container from a faucet in the park labeled potable water.
  B. The biologist decided to set up his living quarters in one of the dusty caves, which he first swept out.
  C. The cleaning woman first put on a pair of gloves and then picked up the soiled dressing, dropped it in the trash, removed and discarded the gloves, and finished cleaning the floor.
  D. The waiter went to the rest room, scrubbed his hands, and then returned to serving the meal.

Question 2

How does a communicable disease investigation begin?
 
  A. Diagnose the disease, interview those who are ill for contacts, and then find those persons.
  B. Diagnose the problem, treat it, and then interview the victim.
  C. Identify the disease, isolate the causative agent, and determine the method of transmission.
  D. Use the media to share symptoms and causes and then have professionals available to answer telephone calls, being sure to obtain names of victims.

[LP]

Answer to Question 1

ANS: B

Answer to Question 2

ANS: C