Discuss the issue of secondhand smoke and restrictions on smoking in public places. Include your own opinion about the fairness of such regulations, but be sure to include information about the effects of secondhand smoke on nonsmokers, both in homes and the workplace
What will be an ideal response?
The EPA has declared secondhand smoke to be a known carcinogen responsible for several thousand lung cancer deaths yearly in nonsmokers. Workplace exposure for long periods of time each day is a risk. Children in homes of smokers have a higher risk for asthma and SIDS.
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Compared to ratio schedules, interval schedules
a. result in faster response rates. b. result in slower response rates. c. result in similar response rates. d. sometimes result in faster response rates and sometimes result in slower response rates. e. can only be administered on a variable basis.
Genetic studies of schizophrenia have found that ____
a. there are probably several possible genes that increase a person's risk for schizophrenia b. a single gene on the X chromosome accounts for most cases of schizophrenia c. schizophrenia has about the same heritability as Huntington's disease d. dizygotic twins are more concordant for schizophrenia than monozygotic twins
The auditory receptors are located in the _______________
a. cochlea b. middle ear c. eardrum d. oval window
At the two-word stage, children's utterances are likely to
a. be unintelligible. b. be inconsistent with respect to word order. c. be unaffected by the semantic relationships among words. d. contain consistent word orders.