Author Question: What do studies of concordance rates for schizophrenia in monozygotic (MZ) and dizygotic (DZ) twins ... (Read 44 times)

jake · **on:** Jun 22, 2018

What do studies of concordance rates for schizophrenia in monozygotic (MZ) and dizygotic (DZ) twins show?

a. almost 100 percent concordance in MZ twins, 0 percent in DZ
b. very low rates of concordance in either type of twin
c. consistent evidence of higher concordance in DZ than MZ
d. consistent evidence of higher concordance in MZ than DZ

Question 2

Cross-cultural studies of the rate of schizophrenia in various types of communities found that clinical outcomes were significantly better in developing countries such as Nigeria and India. What aspect of life in these cultures has been hypothesized

o account for these outcomes?

a. less stressful lifestyles
b. milder forms of schizophrenia
c. greater tolerance and acceptance of people with schizophrenia
d. racial differences in response to medication and dietary factors