The reason why individuals develop phenylketonuria (PKU) is because ______
a. their bodies cannot process phenylalanine (a certain amino acid) properly
b. their bodies process phenylalanine (a certain amino acid) too quickly
c. their bodies do not produce enough phenylalanine (a certain amino acid)
d. their bodies overproduce phenylalanine (a certain amino acid)
Answer: A
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The World Health Organization estimates that all mental disorders combined account for _____ percent of all disability worldwide
a. less than 1 b. 11 c. 28 d. 52
Dr. Sperry stimulated the patient's brain and her mouth moved. Based on the topographic organization of the brain, if the patient's brain is stimulated slightly to one side of the first spot, we should expect the patient to:
a. say something b. report seeing a spot of light c. twitch her cheek d. report tasting something
You collected a measure, and you notice that there are some extreme scores. It is best to use ______ as a measure of the variability for this data.
A. range B. interquartile range C. population standard deviation D. sample standard deviation
Based on the most recent statistics, which of the following American adolescents is LEAST likely to use substances such as alcohol, cigarettes, or marijuana?
a. John, who is White b. Loreto, who is Latino c. James, who is Chinese American d. Jerome, who is Native American