In order for a child to be diagnosed with attention-deficit ...

[j.rubin]

In order for a child to be diagnosed with attention-deficit hyperactivity disorder, a child must meet 6 of 9 diagnostic criteria and these symptoms must be present in two or more settings and have persisted for how long?
 
  a. at least 3 months c. between 8 and 10 months
  b. at least 6 months d. between 11 and 12 months

Question 2

Which of the following phrases about infectious diseases is always true?
 
  a. They are contagious from person to person.
  b. They can be stopped by consistent and adequate handwashing.
  c. They are caused by pathogenic organisms in the body.
  d. They can be eradicated by vaccinating people around the world.

[ebe]

Answer to Question 1

B

Feedback
A Incorrect: These symptoms must have persisted for at least 6 months, not at least 3 months.
B Correct: In order for a child to be diagnosed with ADHD, a child must meet 6 of 9 diagnostic criteria and these symptoms must be present in two or more settings and have persisted for at least 6 months.
C Incorrect: These symptoms must have persisted for at least 6 months, not between 8 and 10 months.
D Incorrect: These symptoms must have persisted for at least 6 months, not between 11 and 12 months.

Answer to Question 2

C

Feedback
A Incorrect. Not all infectious diseases are communicable.
B Incorrect. Not all infectious diseases can be stopped by consistent and adequate handwashing.
C Correct. An infectious disease is any disease caused by invasion and multiplication of microorganisms in the body.
D Incorrect. Not all infectious diseases can be eradicated by vaccinating people around the world.

[j.rubin]

Excellent

[patma1981]

Gracias!