Which of the following statements regarding hydrocephalus is/are true?
a. It is treatable.
b. If untreated, it always causes mental retardation.
c. It results from a buildup of cerebrospinal fluid.
d. All of the above
D
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During the alarm stage of the general adaptation syndrome:
a) the central and somatic systems are activated. b) synaptic activity and the somatic nervous system activate to send messages from the CNS to muscles. c) the sympathetic nervous system is activated and adrenal glands release hormones. d) neurotransmitter levels and the central nervous system are activated.
Danny is in the 80th percentile for height and the 50th percentile for weight at his two-year well-
child visit to the pediatrician. How would you interpret these percentile rankings? a. Danny is tall for his age, yet average for his weight. b. Eighty percent of all children Danny's age are taller than him and 50% of all children his age weigh more than he does. c. Danny is at risk for childhood obesity based on these percentiles. d. Danny is average for his age in both height and weight.