Your best friend comes to you, visibly excited. "I just couldn't wait to tell you the big news. I'm pregnant, " she screams. She is clearly overjoyed by the news, and goes on to tell you, "It is SO amazing
The doctor says I'm about 6 weeks pregnant, and I already feel SO different!" Wanting to show off your new knowledge of developmental psychology and the prenatal stages, you smugly reply, "It is just so great that your child is in the __________ of development because its organs are just starting to develop!"
a) embryonic
b) fetal
c) zygotic
d) germinal
ANS: A, The embryonic stage of prenatal development lasts from approximately the second through the eighth week of pregnancy.
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Distinguish between the prevalence and severity of several STIs in the U.S. today.
What will be an ideal response?
There is an interactive exhibit on the senses at a science fair. For the sense of hearing, there is a gigantic ear through which viewers can walk. What is the order in which patrons will encounter the structures listed below, as they move through the ear?
a. tympanic membrane, middle ear, auditory nerve, pinna, cochlea b. cochlea, middle ear, pinna, tympanic membrane, auditory nerve c. auditory nerve, tympanic membrane, pinna, cochlea, middle ear d. pinna, tympanic membrane, middle ear, cochlea, auditory nerve
A century ago, the average lifespan worldwide was _____ years.
a. 40 b. 48 c. 55 d. 72
What do twin and adoption studies tell researchers about the heritability of obesity and BMI?
a. Heritability of obesity and BMI is very low. b. Heritability of obesity and BMI is very high. c. Heritability of obesity is very high, but heritability of BMI is very low. d. Twin and adoption studies are unable to show any heritability of obesity and BMI.