An inherited characteristic that, through natural selection, increases in a population because it helps to solve a survival problem at the time it emerges is called
a. an adaptation.
b. a genetic mutation.
c. a dominant gene.
d. a homozygous pairing.
A
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With respect to eating disorders, ______ minus compensatory behaviors equals ______.
A. bulimia nervosa; anorexia nervosa B. binge eating disorder; bulimia nervosa C. binge eating disorder; subclinical eating disorder D. bulimia nervosa; binge eating disorder
Which of the following parts of the brain acts as a sort of "switching station" between short-term and long-term memory and aids in the formation of new memories?
a. hypothalamus b. corpus callosum c. pons d. hippocampus
The ion channels found at excitatory synapses allow
a. sodium to enter the neuron. b. neurotransmitters to enter the neuron. c. sodium to leave the neuron. d. potassium to enter the neuron. e. neurotransmitters to leave the neuron.
A patient in a psychiatric hospital exhibits disorganized thinking, abnormal behavior, and hallucinations. This person is probably suffering from
a. schizophrenia. b. bipolar disorder. c. a dissociative disorder. d. passive-aggressive personality. e. obsessive-compulsive disorder.