Messages flow from the brain to the spinal cord and then to other parts of the body through the __________ nervous system
a. central
b. peripheral
c. parietal
d. temporal
B
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Although Jake is entering school, he sounds as if he is uttering "baby talk.". He has no problems understanding words or sentences. However, he has difficulty articulating sounds such as b, m, and t. This type of communication disorder is called
a. expressive language disorder. b. mixed receptive/expressive language disorder. c. phonological disorder. d. stuttering.
Adolescents who reach the formal operational stage of cognitive development
A) can only operate on reality. B) cannot "operate on operations." C) no longer require concrete things and events as objects of thought. D) cannot yet come up with general logical rules through internal reflection.
Your little brother, who is 8 years old, has gained a lot of weight over the past couple of years and your parents are concerned. At his annual physical exam, the doctor indicated that he had a BMI of 23. This means that your brother ____
a. is obese b. is overweight c. is of normal weight d. is actually underweight for his age
The basic unit of heredity is called a:
a. gene. b. chromosome. c. genome. d. DNA molecule. e. noncoding DNA sequence.