Lynette is having chorionic villus sampling to check for embryonic genetic and developmental disorders. Her doctor prepares her by telling her the procedure is performed by
a. inserting a syringe into the mother's spinal column and extracting cerebrospinal fluid.
b. inserting a syringe into the mother's abdominal wall and extracting fluid.
c. taking a small sample of blood from the placenta.
d. taking a small sample of the outer wall of the membrane in which the embryo develops.
D
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Compare the use of glutamate and GABA in ablation studies.
What will be an ideal response?
Teenagers are likely to have positive attitudes toward safe sexual practices if they
A. talk to counselors about sex. B. talk to peers about sex. C. talk to parents about sex. D. talk to teachers about sex.
The existence of a consistent, systematic relationship between two events, measures, or variables refers to
a. statistical significance. b. a standard deviation. c. a correlation. d. a normal curve.
________ is a process in which, after a stimulus has been conditioned to produce a particular response, stimuli that are similar to the original stimulus produce the same response.
A. Stimulus generalization B. Stimulus location C. Stimulus reflexive D. Stimulus discrimination