MCAT Behavioral Sciences Ch 7:
Psychological Disorders Exam Questions
And Correct Answers
Biomedical Approach - answerAssumes all disorders have roots in biomedical areas, thus,
the solution should come from a biomedical source. Focuses on symptom reduction of
psychological disorders.
Biopsyc...
MCAT Behavioral Sciences Ch 7:
Psychological Disorders Exam Questions
And Correct Answers
Biomedical Approach - answer✔✔Assumes all disorders have roots in biomedical areas, thus,
the solution should come from a biomedical source. Focuses on symptom reduction of
psychological disorders.
Biopsychosocial Approach - answer✔✔Assumes there are Biological, Psychological, and Social
Components to a psychological disorder.
1. Biological Component--something in the body (such as a genetic component).
2. Psychological Component--stems from an individual's thoughts, emotions, or behaviors.
3. Social Component--results from the individual's surroundings. Can include: SES,
stigmatization, or discrimination.
20 Disorders & Prevalences - answer✔✔See Chart
Schizophrenia - answer✔✔A psychotic disorder. Must have one or more of the following:
delusions, hallucinations, disorganized thought, disorganized behavior, catatonia, and negative
symptoms.
> than 6 month presentation of two or more symptoms which must include:
delusions, hallucinations, or disorganized speech.
Symptoms divided into Positive and Negative symptoms.
Positive Symptoms - answer✔✔Behaviors, thoughts, or feelings *added* to normal behavior.
Delusions, Hallucinations, Disorganized Thought, disorganized behavior, and catatonic behavior.
Delusions - answer✔✔False beliefs discordant with reality and not shared by others in the
individual's culture that are maintained in spite of strong evidence to the contrary. Common
delusions: persecution & grandeur.
Delusions of reference--involve the belief that common elements in the environment are directed
toward the individual (TV is talking to him).
Delusion of persecution--belief that people are out to get him.
Delusion of grandeur--belief that the person is remarkable in some significant way.
Thought Delusions - answer✔✔Thought Broadcasting--belief that one's thoughts are broadcast
to the external world.
Thought Insertion--the belief that thoughts are being inserted into one's head.
Hallucinations - answer✔✔Perceptions that are not due to external stimuli, but have a
compelling sense of reality.
Most common are auditory.
Visual and Tactile are less common--can be associated with drug use.
Olfactory and Gustatory are least common--can be associated with seizure.
Disorganized Thought - answer✔✔Characterized by *loosening of associations* -- speech topics
shift in such a way that one is not able to follow the train of thought.
Word salad--completely incomprehensible speech
Neologisms--words "invented" (usually by schizophrenics).
Disorganized Behaviors - answer✔✔Inability to carry out daily living activities.
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