Which of the following is true of opportunistic infections?

A. may include chronic severe ear infections
B. signal the breakdown of the immune system
C. may include gastrenteristis
D. all of the above


B

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What type of property does measurement involve?

a. discrete b. continuous c. measurable attribute d. unit

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Children's vocabulary development at age three has been found to predict

their reading achievement. Indicate whether the statement is true or false

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Which of the following statements is the most accurate regarding the effects of delayed parenthood?

A. Delayed parenthood results in an increased likelihood of fertility problems. B. Older mothers, but not older fathers, are more at risk for fertility issues. C. It is impossible for a woman under the age of 40 to have a child with Down syndrome. D. Older fathers, but not mothers more often have children who develop autism.

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A characteristic of Asperger’s syndrome is

a. inability to read. b. poor academic skills. c. lack of interest in any subject. d. difficulty with social interaction. e. lack of speech.

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