A 20-week-old fetus can __________
A) be stimulated as well as irritated by sounds
B) survive, if born early
C) breathe without oxygen assistance, if born early
D) control its own body temperature
Answer: A
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According to Eysenck, the most significant factor in intelligence was:
a. environment. c. learning. b. heredity. d. unpredictability.
In the Tuskegee syphilis experiment, researchers from the U.S. Public Health Service ____
a. studied the progression of syphilis in a group of African American men without providing diagnosis or treatment b. poured bacteria on scrapes made on prisoners’ faces and arms to transmit syphilis for the purposes of study c. hired syphilis-infected prostitutes to sleep with soldiers to study the progression of the disease d. exposed prisoners, soldiers, and mental patients to syphilis and gonorrhea to test the effectiveness of penicillin
The director of a city health department wants to know who is most likely to complete suicide in her city. The group with the highest risk is
a. teenagers, especially depressed girls. b. elderly men with chronic physical illnesses. c. young women who were recently separated or divorced. d. college-educated people.
When a single group of subjects is allocated among any number of categories, the chance fe's for the chi square are
a. equal to the size of the sample b. equal to the fo's, divided by the sample size c. equal to the sample size, divided by the fo's d. equal to the fo's