As compared with developing nations, the rate of miscarriage, stillbirth, and abnormalities in fetal brain development have been lowered because iodine has been added to ____
a. salt
b. school lunches
c. bread
d. the water supply
A
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Charity lost her balance and fell down a flight of stairs. Although she was not seriously hurt, she was still shaking and couldn't seem to calm down, even an hour after her fall. This long-term, widespread response to a frightening incident is mainly a result of activity in Charity's:
a. peripheral nervous system b. central nervous system c. substantia nigra d. endocrine system
Children who survive extreme forms of malnutrition
A) rarely show catch-up growth when their diets improve. B) develop a high basal metabolism rate. C) usually continue to undereat when food becomes plentiful. D) tend to gain excessive weight when their diets improve.
Complete the following analogy: independent variable is to ________ as dependent variable is to ________
a. relationship; direction b. hypothesis; evidence c. varied; measured d. internal validity; external validity
Aidan goes to a therapist for help in losing weight. He and his therapist develop a written agreement spelling out weekly step-by-step methods for Aidan to use in order to reach his weight goal
The plan specifies rewards for reaching weekly goals and penalties for not achieving them. Aidan's therapist is using which of the following methods? a) classical conditioning b) desensitization c) contingency contract d) a token economy