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,Q1. Immediate biological relatives of someone with schizophrenia have
approximately how many times greater risk of developing the disorder? [Multiple
Choice]
A) 5
B) 15
C) 25
D) 10
Answer: 15
Explanation: Family risk studies show that immediate biological relatives carry substantially
elevated risk; the module gives the figure of 15 times greater risk, reflecting strong genetic and
familial contribution. The other numbers (5, 10, 25) are different magnitudes and do not match
the risk figure reported in the module.
Q2. According to DSM-5 criteria as stated in the module, how long must
depressive symptoms persist to qualify as a depressive episode? [Multiple Choice]
A) One year
B) One month
C) One week
D) Two weeks
Answer: Two weeks
Explanation: DSM-5 requires depressive symptoms to be present for at least two weeks to
constitute a major depressive episode; this time threshold distinguishes transient mood changes
from a diagnosable episode. One week is too short for the DSM-5 episode cutoff, one month is
longer than the minimum required, and one year is far beyond the diagnostic threshold for a
single episode.
Q3. What lifetime risk of developing PTSD in the United States does the module
video give? [Multiple Choice]
A) 15.7%
B) 8.7%
C) 20.7%
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, D) 2.7%
Answer: 8.7%
Explanation: The module video reports a U.S. lifetime risk of about 8.7% for developing PTSD,
which is the estimate provided to convey population-level likelihood. The other percentages are
higher or lower than that reported estimate and therefore do not match the module's stated
lifetime risk.
Q4. Which factors listed in the module increase the likelihood that someone will
later develop PTSD? [Multiple Choice]
A) Prior history of trauma
B) Both A and B
C) Prior exposure to life-threatening situations
D) It is impossible to predict who will develop PTSD
Answer: Both A and B
Explanation: Both a prior history of trauma and prior exposure to life‑threatening situations
sensitize individuals and raise their risk for later PTSD. Either factor alone does increase risk, but
the combined option correctly indicates both contribute; stating it is impossible to predict is
incorrect because the module identifies these as known risk factors.
Q5. Which requirement is stated as necessary for a schizophrenia diagnosis in
the module? [Multiple Choice]
A) The presence of catatonic behavior should result in a different diagnosis than
Schizophrenia.
B) Two or more symptom clusters (e.g. Delusions, Hallucinations, Disorganized Speech)
must be present for a diagnosis.
C) Delusions must be present for a diagnosis.
D) Hallucinations must be present for a diagnosis.
Answer: Two or more symptom clusters (e.g. Delusions, Hallucinations, Disorganized
Speech) must be present for a diagnosis.
Explanation: A schizophrenia diagnosis requires a combination of symptom clusters; two or more
clusters (like delusions, hallucinations, disorganized speech) establish the pattern needed for
diagnosis. Requiring a single symptom such as hallucinations or delusions alone is too narrow;
those symptoms can occur in other conditions. Catatonia can be associated with schizophrenia
but its presence does not automatically rule the diagnosis out.
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