Phenylketonuria (PKU) is a _________ that can cause mental ...

[formula1]

Phenylketonuria (PKU) is a _________ that can cause mental retardation.
 
  a. chromosomal c. teratogen
  b. genetic d. brain disorder

Question 2

When an infant needs to be soothed:
 
  a. breast milk or formula is all that will work.
  b. it is always a signal that he or she is in pain.
  c. simply sucking on something may work.
  d. a salty taste is usually preferred.

[Ahnyah]

Answer to Question 1

B

Answer to Question 2

C

[formula1]

Thanks for the timely response, appreciate it

[Sarahjh]

Great answer, keep it coming