What occurs during the third and final stage of labor?
a. The amniotic sac ruptures.
b. The fetus's head crowns.
c. The fetus is born.
d. The placenta and umbilical cord are expelled.
Answer: D
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life-span development is the study of human development from conception to death. historically, however, most of the focus has been on which age group?
A. children and adolescents B. young adults C. middle-aged adults D. the elderly
Tyrell wants to teach his two daughters, Sarah and Mia, to practice their golf swings every day. Each time after Sarah finishes practicing, he gives her $5, and each time after Mia finishes practicing, he gives her a handful of her favorite candy pieces. Sarah is receiving a __________ reinforcer, and Mia is receiving a __________ reinforcer.?
a. ?secondary; secondary b. ?primary; primary c. ?secondary; primary d. ?primary; secondary
Research supports the idea that online dates who are lower in attractiveness are
a. just as truthful about their physical appearance as those higher in attractiveness. b. less likely to lie about their physical description compared to those more attractive. c. more likely to lie about their physical descriptors. d. unlikely to actually meet with a date.
If you lived your entire life in an environment without the straight lines and walls of rectangular buildings, you probably would be less susceptible than a city dweller to the perceptual error involved in the ____
a. ?Müller -Lyer illusion b. ?moon illusion c. ?ESP illusion d. ?Ponzo illusion