Which of the following is associated with the embryonic stage of prenatal development?
A. development of the first bone cells
B. development of the blastocyst
C. development of fingernails and toenails
D. development of the respiratory system
Answer: D
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Newborns appear to be able to recognize the voices of both their mother and father
a. True b. False Indicate whether the statement is true or false
The Ortho Evra patch should be placed on the ____
a. breast c. head behind the ear b. buttock d. lower arm
In general, ________ schedules of reinforcement yield responses at a high, steady rate.
A. fixed-interval B. variable-ratio C. fixed-ratio D. variable-interval
Alyssa, age 17, was brought up in the Baptist church but recently she has begun to go to the Buddhist temple in the next town. She tells her parents that she is "all done with the Baptists." According to research, Alyssa probably
A. is going through a phase and will return to the Baptist church within a year. B. has conflict with her parents. C. is testing her parents. D. None of these choices are correct.