Chapter 15: Genetic
Contributions to Psychiatric
and Behavioral Disorders
with 100% correct answers
What is meant by the phrase "behavioral genetics"?
A. Identification of the single gene that corresponds to a specific
undesired behavior
B. An area of research aimed at controlling behavior by genetic
manipulation
C. The study of the behavior of genes in diverse settings
D. The examination of gene variants that influence behaviors - answer D.
The examination of gene variants that influence behaviors
Which statement regarding behavioral genetics is accurate?
A. Genes and gene products have been discovered that directly control
behavior.
B. A genetic predisposition toward a specific behavior can be modified by
altering
environmental influences.
C. The genotypes and phenotypes of behavioral problems or deviations
follow
Mendelian autosomal-recessive inheritance patterns.
D. The genetic susceptibility to or predisposition toward a behavioral
disorder
requires the trigger of an infectious disease for expression - answer B. A
genetic predisposition toward a specific behavior can be modified by
altering
environmental influences.
, Why is direct-to-consumer marketing of diagnostic tests for mental illness
and behavioral problems
a dangerous practice?
A. Because the tests are expensive and not ordered by a health-care
provider, they are
not covered by insurance.
B. The tests are not predictive of which psychiatric medications are most
likely to be
beneficial to a specific individual.
C. People using such tests may not receive professional counseling for
interpretation
of results and accurate risk assessment.
D. These tests are often misused by employers to support the dismissal of
employees
who express opinions that are different from those of the company. -
answer C. People using such tests may not receive professional
counseling for interpretation
of results and accurate risk assessment.
Which statement about attention deficit hyperactivity disorder (ADHD) is
true?
A. The problem is more common among girls whose fathers also had the
disorder.
B. By the time a person with ADHD reaches adulthood, all symptoms have
resolved.
C. It is a complex disorder caused by gene variants along with
environmental
contributions.
D. Symptoms of the disorder are ameliorated when the person sleeps
more soundly as
a result of pharmacologic intervention. - answer C. It is a complex
disorder caused by gene variants along with environmental
contributions.
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