Which statement correctly explains the etiology of Down syndrome? ...

[sdfghj]

Which statement correctly explains the etiology of Down syndrome?
 
  a. There is an extra chromosome on the 21st pair.
  b. There is a missing chromosome on the 21st pair.
  c. There are two pairs of the 21st chromosome.
  d. The chromosome's 21st pair is missing.

Question 2

The nurse explains that cognitive impairment is categorized by four levels that depend on the intelligence quotient (IQ). How is a child with an IQ of 45 classified?
 
  a. Within the normal low range
  b. Educable
  c. Trainable
  d. Severe

[aidanmbrowne]

Answer to Question 1

ANS: A
Down syndrome is attributed to an extra chromosome on the 21st pair.

Answer to Question 2

ANS: C
The category of trainable is identified on the basis of an IQ of 35 to 55.

[sdfghj]

Thanks for the timely response, appreciate it

[AmberC1996]

Excellent