Exam 3: NU 643 NU643 Latest

Exam 3: NU 643 / NU643 (Latest

Update 2025 / 2026) Advanced Psychopharmacology | Review Questions and Answers | Grade A | 100% Correct - Regis

Question:

Naltrexone potentiates the actions of zonisamide

Answer:

The anticonvulsant zonisamide has actions on the appetite center of the hypothalamus that are similar to those of topiramate.

Zonisamide hypothetically reduces excitatory glutamatergic and increases inhibitory GABAergic input onto neurons in the appetite stimulating pathway leading to less output of neuropeptide Y and AGRP and decreased appetite stimulation.

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Question:

Serotonin 5HT2C and appetite

Answer:

The combination of histamine 1 antagonism and serotonin 5HT2C antagonism present in many atypical antipsychotics may lead to enhanced appetite and consequential weight gain. Conversely, the actions of 5HT2C agonist such as lorcaserin may lead to appetite suppression and weight loss.

Question:

When does an impulse become an impulsive-compulsive disorder

Answer:

Many impulses can become compulsive-compulsive disorder when done to access, and several of these examples are listed in this table. Some experts believe gambling disorder should be classified along with drug addiction as the only non-substance disorder in that category.

Question:

Are there neurodevelopmental impulsive-compulsive disorders

Answer:

Many disorders considered to be neurodevelopmental have impulsivity or compulsivity as a symptom dimension. This includes notably ADHD discussed in Chapter 12.

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Question:

Can violence be an impulsive-compulsive disorder

Answer:

Aggression and violence have long been controversial issues in psychiatry.When violence is premeditated, callous, and calculated and maybe criminal sympapathic and predatory and this type of violence would neither be impulsive nor compulsive; however, aggression and violence both to others and to one's self are associated with many psychiatric disorders seen here on table 14-7.

Question:

OCD or ICD? Are obsessive-compulsive spectrum disorders also impulsive- compulsive disorders?

Answer:

Obsessive-compulsive disorder, or OCD, in many ways is the prototypical impulsive-compulsive disorder, although it has been considered to be an anxiety disorder as well. In OCD, many patients experience and intense urge to perform stereotypic ritualistic acts despite having full insight into how senseless and excessive those behaviors are and having no real desire for the outcome of these actions. The most common types of compulsions are checking and cleaning. Seen here on this table are some of the other impulsive compulsive related disorders such as skin picking, trichotillomania (which is hair pulling).

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