The specific effect that a teratogen such as thalidomide has depends on when the exposure to the teratogen takes place. This concept is referred to as a "critical period" in development
Indicate whether the statement is true or false
True
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Pedro is infected with the bacteria Streptococcus pneumoniae. Pedro's white blood cells generate what substance in response to the Streptococcus pneumoniae to help Pedro's body fight off the infection?
A. antibodies B. antigens C. antidotes D. antibactercides
What do fetuses do when their mothers are highly stressed?
a. become very still b. move more and have faster heart rates c. suck their thumbs d. hold their hands to their ears
Valerie has set up a research study in which subjects are awarded tokens for gifts - or have tokens taken away - based on the behavior they exhibit in each application of a stimulus. Watson would say the subjects' behavior will be guided by ________, whereas Bandura would say their behavior is guided by ________.
a. reinforcements; consequences b. tokens; perceptions c. consequences; tokens d. perceptions; reinforcements
Which statement is true?
A. Societal influence cannot explain obesity. B. We require more calories as we get older. C. Physical activity has decreased in today's workforce. D. Metabolism is the same for all people.