14. Epidemiological clues to the cause of an infectious disease include statisti

Question

14. Epidemiological clues to the cause of an infectious disease include statistics on:

A. Age, geographic location, genetics, and sex of victim

B. Rate and pattern of spread through a population

C. Time of year

D. All of the above

15. What is one characteristic that helps identify S. aureus vs S. epidermidis?

A. gram stain

B. fermentation of mannitol

C. fermentation of lactose

D. salt tolerance

16. Which are two attributes of S. mutans (S. salivarus) that contribute to dental caries?

A. Beta hemolysis and salt tolerance

B. Alpha hemolysis and fermentation of mannitol

C. Salt tolerance and fermentation of mannitol

D. Acid production and conversion of sucrose into dextrans

Please provide explanations.

Explanation / Answer

14). D. All of the above

Infectious diseases are those that are caused by the microbes such as bacteria, virus, etc. They spread from one person to another by means of direct or indirect contact. The epidemiological clues of infectious diseases includes statistics based on the rate and pattern of spread through a population, time of year, geographical location, gender, age and genetics also.

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