The ____ is the structure through which a mother and an embryo exchange waste and nutrients.
A. amnion
B. stem cell
C. germ disc
D. placenta
Answer: D
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You see your friend Leonid at a party. He is talking loudly and slurring his words. He also has trouble maintaining his balance. Leonid is probably under the influence of
a. LSD. b. heroin. c. alcohol. d. amphetamines. e. MDMA.
Scott has a problem with his parents. His therapist focuses on helping Scott observe and record his thoughts about his parents, and emphasizes how his thoughts affect his feelings. Scott's therapist is practicing:
a. psychodynamic therapy c. client-centered therapy b. cognitive therapy d. behavior therapy
Which child is likely to be better adjusted, have higher self-esteem, and a stronger motivation to succeed compared to the others?
A. an only child in China B. a child in China who has one sibling C. a child in China who has two siblings D. a child in China who has more than four siblings
The behavioral activation system (BAS) controls our tendency to:
a. Seek reinforcement. b. Stop what we are doing. c. Plan how to respond. d. Flee from dangerous situations. e. Pay attention to our surroundings.