Q: Which equation best represents the increase in the number of disorders from DSM-I to DSM-IV, given the values: DSM-I = 106, DSM-II = 186, DSM-III = 265, DSM-IV = 410?

$$\text{DSM-IV} - \text{DSM-I} = 410 - 106 = 304$$

Question 1

Which of the following best describes the medical model of psychological disorders?

Accepted Answer

Psychological disorders are seen as a set of symptoms, causes, and outcomes similar to physical conditions.

Question 2

According to the DSM-V-TR, which of the following statements is TRUE regarding the classification of disorders?

Accepted Answer

Disorders are classified along a spectrum of severity.

Question 3

Which personality disorder is characterized by a profound lack of empathy and disregard for others' rights?

Accepted Answer

Antisocial Personality Disorder

Question 4

A person who avoids social interactions due to feelings of inadequacy and fear of rejection most likely has which disorder?

Accepted Answer

Avoidant Personality Disorder

Question 5

Which historical practice involved drilling holes in the skull to treat mental illness?

Accepted Answer

Trepanation

Question 6

What is a major problem with the classification of psychological disorders according to the DSM?

Accepted Answer

Clinician’s subjective bias and participant self-report can affect diagnoses.

Question 7

Which brain region is associated with vigilance to threats in Paranoid Personality Disorder?

Accepted Answer

Superior temporal gyrus

Question 8

Which equation best represents the increase in the number of disorders from DSM-I to DSM-IV, given the values: DSM-I = 106, DSM-II = 186, DSM-III = 265, DSM-IV = 410?

Accepted Answer

$$	ext{DSM-IV} - 	ext{DSM-I} = 410 - 106 = 304$$

Question 9

Which personality disorder is most likely to be resistant to treatment and associated with reduced frontal cortex activation?

Accepted Answer

Antisocial Personality Disorder

Question 10

A child with conduct disorder is at risk for developing which adult personality disorder?

Accepted Answer

Antisocial Personality Disorder

Question 11

Which of the following is a key difference between Obsessive-Compulsive Personality Disorder (OCPD) and Obsessive-Compulsive Disorder (OCD)?

Accepted Answer

OCPD involves perfectionism and a need for order, while OCD involves intrusive thoughts and ritualistic behaviors.

Question 12

Which of the following best describes Dissociative Identity Disorder (DID)?

Accepted Answer

A split in identity such that different aspects of oneself are experienced as separate from each other.

Question 13

Which of the following is a real-world application of psychological diagnoses in courtrooms?

Accepted Answer

The 'Not guilty by reason of insanity' defense, based on the M’Naghten rule.

Question 14

Which cluster of personality disorders is characterized by dramatic, emotional, and erratic behaviors?

Accepted Answer

Cluster B

Question 15

Which of the following is a plausible explanation for the increase in ADHD diagnoses in recent years?

Accepted Answer

Increased awareness and social media influence.

Question 16

Which equation represents the heritability of Histrionic Personality Disorder if it is 0.63?

Accepted Answer

$$h^2 = 0.63$

Question 17

Which personality disorder is associated with discomfort in close relationships and eccentric thoughts?

Accepted Answer

Schizotypal Personality Disorder

Question 18

Which physiological response pattern is most likely observed in people with Antisocial Personality Disorder when viewing threat-related images?

Accepted Answer

Reduced physiological response compared to controls.

Question 19

Which of the following best describes the cycle of paranoid cognitive biases in Paranoid Personality Disorder?

Accepted Answer

Social situation leads to activation of paranoid biases, negative emotions, and vigilance for new threats.

Question 20

Which equation best represents the prevalence of Dissociative Identity Disorder if it affects 2-5% of the population?

Accepted Answer

$$0.02 \leq p \leq 0.05$$

Psychological Disorders: Classification, Personality, and Dissociative Disorders

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