The disorder characterized by alterations between states of euphoria and depression is known as:
A. schizophrenia.
B. bipolar disorder.
C. unipolar disorder.
D. major depressive disorder.
Answer: B
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Brain nourishment
a. influences how close a child can come to reaching what is permitted by the child's genes. b. decreases the number of neurons formed, but increases their efficiency. c. leads to a smaller brain size, but one that is more efficient. d. can lead to all of these
Research indicates that in order for any treatment for eating disorders to be effective, it's necessary to acknowledge ____
a. underlying psychological issues b. family dynamics c. hereditary factors d. available social support
Web of Science permits
a. one to go back in time from a starting reference b. keyword searches c. author searches d. one to go forward in time from a starting reference
When a woman becomes pregnant from the fertilization of two separate ova by two separate sperm, these twins are called _________ twins:
a. dizygotic b. monozygotic c. identical d. nonfraternal