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Author Question: Which of the following best describes a portal of exit? a. Excretions and secretions b. ... (Read 88 times)

JGIBBSON

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on: Jun 25, 2018
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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Reply #1 on: Jun 25, 2018
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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Reply #2 on: Jun 25, 2018
Correct answers!


kardosa007

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Reply #3 on: Jun 25, 2018
Great! Please up vote :D


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