Understanding Bulimia Nervosa

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What is the key feature of bulimia nervosa?

Eating at regular intervals throughout the day

Eating only low-energy containing foods

Eating very slowly to savor the taste of food

Eating a larger amount of food than most people would under similar circumstances (correct)

How do individuals with bulimia nervosa attempt to compensate for binge eating and potential weight gain?

Self-induced vomiting and using laxatives or diuretics (correct)

Increasing their food intake

Consuming appetite suppressants

Engaging in rigorous exercise routines

What technique is characteristic of the non-purging type of bulimia nervosa?

Excessive exercise (correct)

Fasting for long periods

Vomiting after meals

Using laxatives and diuretics

What percentage of patients with bulimia have been found to exhibit non-purging type bulimia?

6% to 8% Signup and view all the answers

Why was the distinction between purging and non-purging types of bulimia dropped in DSM-5?

Little evidence of differences between the two types Signup and view all the answers

Which method is not typically associated with compensating for binge eating in individuals with bulimia nervosa?

Regularly consuming appetite suppressants Signup and view all the answers

Which category of sleep-wake disorders involves disturbances in circadian functions such as shift work and jet lag?

Circadian rhythm sleep disorders Signup and view all the answers

What is a circumscribed neuropsychiatric condition with fairly well elucidated aetiology?

Narcolepsy Signup and view all the answers

Which of the following is NOT considered a category of sleep-wake disorders in DSM-5?

Hypertension Disorder Signup and view all the answers

What percentage of people in the United States report feeling excessively sleepy during the day?

28% Signup and view all the answers

Which of the following are abnormal events that occur during various stages of sleep, according to the text?

Nightmares, night terrors, sleepwalking Signup and view all the answers

In Brazil, what percentage of the adult population is affected by poor sleep?

70% Signup and view all the answers

Which type of insomnia is characterized by having trouble falling asleep at night?

Initial insomnia Signup and view all the answers

What type of insomnia occurs when individuals wake up too early and can't go back to sleep?

Terminal insomnia Signup and view all the answers

When insomnia is not related to other medical or psychiatric problems, it is known as:

Primary insomnia Signup and view all the answers

Which of the following is a common complaint of patients with insomnia?

Depression and irritability Signup and view all the answers

What symptom may patients with insomnia exhibit during consultations?

Fatigue and yawning Signup and view all the answers

What consequences can result from the inability to concentrate due to insomnia?

Serious outcomes like dangerous driving Signup and view all the answers

Where is the biological clock located in the body?

Hypothalamus Signup and view all the answers

What signals the brain to reset the biological clock each day?

Decreasing light at night Signup and view all the answers

What is a common symptom experienced by people with jet lag?

Difficulty going to sleep at the proper time Signup and view all the answers

Why do some people experience circadian rhythm sleep disorders?

Crossing several time zones quickly Signup and view all the answers

Which of the following is associated with shift work type circadian rhythm sleep disorder?

Night shifts or irregular work hours Signup and view all the answers

What health issues may shift workers be more prone to due to their disrupted circadian rhythms?

Cardiovascular disease and ulcers Signup and view all the answers

What is the main difference between nightmares and bad dreams?

Nightmares wake up the sleeper, bad dreams do not. Signup and view all the answers

According to DSM-5 criteria, what distinguishes a nightmare disorder?

Impairment of normal activities due to distressful experiences Signup and view all the answers

What percentage of adults regularly experience nightmares?

10% to 50% Signup and view all the answers

Which of the following factors is NOT associated with nightmares?

Depression Signup and view all the answers

What is the defining characteristic of parasomnias?

They involve abnormal events during or between sleep stages Signup and view all the answers

Which psychological disorder is NOT mentioned as being associated with nightmares?

'Dissociative' identity disorder Signup and view all the answers