Dizygotic means _______.
a. twins
b. two fertilized eggs
c. sibling
d. none of the above
b. two fertilized eggs
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The primary symptoms of autism spectrum disorders include ____
a. deficits in social exchanges b. severe intellectual disabilities c. excessive, unwavering eye contact d. extremely powerful memory skills
In which of the following situations is Bill, who has narcolepsy, most likely to experience cataplexy?
a. Immediately upon waking up after a long, restful sleep b. At any random moment c. Under hypnosis d. While jumping up and cheering for his favorite team
Saltatory conduction occurs only in ______.
A. myelinated axons B. myelinated dendrites C. unmyelinated axons D. unmyelinated dendrites
Most of the sensitive periods for teratogenic injuries occur during the ____ period
a. germinal b. embryonic c. fetal d. perinatal