Which of the following is NOT a confined space?

A) A sewer
B) A gravel pit
C) A culvert
D) A grain silo


B

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Which of the following is NOT part of the defense system to ensure the safety of the body from infection?

A) Normal oral flora B) Saliva C) Anatomic barriers D) All of the above

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Explain three methods of identifying associated channels

What will be an ideal response?

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Parasites called _______ are transmitted by swallowing worm eggs, by touching something the infected person has touched, or by putting infested sand or dirt into the mouth. 

Fill in the blank(s) with the appropriate word(s).

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The maxilla is formed by six processes (outgrowths of bone)

a. True b. False Indicate whether the statement is true or false

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