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Author Question: Which of the following best describes a portal of exit? a. Excretions and secretions b. ... (Read 93 times)

JGIBBSON

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Which of the following best describes a portal of exit?
 a. Excretions and secretions
  b. Immunosuppressants and the elderly
  c. Equipment and water
  d. Respiratory tract and broken skin
  e. Protozoa and fungi

Question 2

Which mineral(s) is/are essential in the formation of healthy bones and teeth?
 a. Fluoride
  b. Phosphorus
  c. Calcium
  d. All of the above



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kardosa007

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Answer to Question 1

a

Answer to Question 2

d
RATIONALE: Fluoride, calcium, and phosphorus all help to form healthy bones and teeth.



JGIBBSON

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kardosa007

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