Which one of the following statements concerning a one-week-old male infant with undetected classic phenylketonuria is correct?
a) tyrosine is a nonessential amino acid for the infant. b) high levels of phenylpyruvate appear in his urine. c) therapy must begin within the first year of life. d) a diet devoid of phenylalanine should be initiated immediately.

Ok so my eye has been hurting since i woke up and then it keeps getting blurry its only left eye and idk what to do

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Thinking about and listing ones options in the process of decision-making include all of the following except a. identifying possible alternative outcomes b. predicting what friends will think c. determining what is most important d. thinking about what choices could be made