Question 1

To assess neurocognitive functioning and evaluate the extent of brain damage, ____ is administered to objectively screen and measure consciousness following head injury or stroke.

Accepted Answer

The Glasgow Coma Scale is a standardized tool for assessing consciousness following head injuries or stroke. It measures eye opening, verbal response, and motor response to stimuli and provides a score between 3 and 15. This score can help determine the severity of brain damage and guide treatment decisions. The other options listed (mental status exam, fMRI, EEG) may be helpful in assessing neurocognitive functioning, but they are not specifically designed to screen and measure consciousness following head injury or stroke.

Question 2

The leading causes of traumatic brain injuries are ____.

Accepted Answer

Falls and vehicle accidents are responsible for the majority of traumatic brain injuries, according to the Centers for Disease Control and Prevention. Assault and being struck by an object are also common causes, but not as prevalent as falls and vehicle accidents. War and crime can contribute to traumatic brain injuries, but they are not among the leading causes.

Question 3

____ and ____ are neuroimaging techniques that are used to produce images of metabolic activity in the brain.

Accepted Answer

SPECT imaging (Single Photon Emission Computed Tomography) and PET scans (Positron Emission Tomography) are both neuroimaging techniques used to produce images of metabolic activity in the brain. SPECT measures the amount of blood flow in the brain while PET scans use a radioactive tracer to measure glucose metabolism, oxygen consumption, or other physiological processes. EEG (Electroencephalography) is a technique that measures electrical activity in the brain, while cerebral blood flow measurements and CAT scans (Computerized Tomography) do not directly measure metabolic activity in the brain. MRI (Magnetic Resonance Imaging) measures the structure of the brain, but not metabolic activity.

Question 4

Sanjay was diagnosed with a neurocognitive disorder.Which of the following could be the specific diagnosis?

Accepted Answer

The term "neurocognitive disorder" is typically used to describe conditions that involve cognitive decline such as dementia. Option A (schizoaffective disorder) and C (mood disorder) typically do not involve significant cognitive decline as a prominent feature. Psychosis (option D) is a symptom rather than a specific diagnosis, and can occur in a wide range of conditions, including neurocognitive disorders. Option B (dementia caused by infection) is the most specific choice among the options provided, and would indicate that Sanjay's cognitive decline is due to an underlying infectious process.

Question 5

Which of the following is considered a possible cause of neurocognitive disorders?

Accepted Answer

Traumatic brain injury (TBI) is a possible cause of neurocognitive disorders. TBI can cause damage to the brain and result in impairments with cognitive functions such as memory, attention, and problem-solving. Stress, anxiety, and depression may contribute to the development of neurocognitive disorders, but they are not considered primary causes.

Question 6

Professor Solomon tells her class, "Neurocognitive disorders are diagnosed through a process of elimination.Neurocognitive disorders may be due to a specific medical condition, a substance-induced condition, or may result from multiple etiologies.The category of neurocognitive disorders is arbitrary because other mental disorders may be associated with neurocognitive disorders and organic involvement.It is always difficult to measure, assess, and determine the causes of neurocognitive disorders." Which part of Professor Solomon's statement is accurate?

Accepted Answer

The answer of Professor Solomon tells her class, "Neurocognitive disorders...

Question 7

Late on Saturday night, Dennie is taken to the hospital after drinking twenty beers.His confusion, rambling, and incoherent speech stop as soon as the alcohol is out of his system.This incident illustrates ____.

Accepted Answer

Dennie's confusion, rambling, and incoherent speech are symptoms of delirium, which is often caused by alcohol withdrawal. The fact that his symptoms stopped as soon as the alcohol was out of his system supports this diagnosis. An amnestic disorder involves memory loss, dementia involves a decline in cognitive function over time, and neurocognitive disorder not otherwise specified is a broad category that would require more specific symptoms for diagnosis. Therefore, the best choice is C for delirium.

Question 8

____ describes memory impairment and declining cognitive functioning resulting from degenerative brain conditions.

Accepted Answer

Dementia specifically refers to memory impairment and declining cognitive functioning resulting from degenerative brain conditions. Delirium refers to a state of confusion and disorientation that may be temporary, while amnestic disorder only refers to memory impairment without other cognitive decline. Neurocognitive disorders not otherwise specified refers to cognitive decline not specifically related to degenerative brain conditions.

Question 9

Dr.Pushkin is seeing a new patient whom she suspects has a neurocognitive disorder.Dr.Pushkin wants to assess quickly the patient's overall cognitive functioning, including the patient's memory, attentional skills, and orientation to time and place.What instrument will Dr.Pushkin most likely use to conduct this assessment?

Accepted Answer

A mental status exam is the most appropriate tool to quickly assess a patient's cognitive functioning, including memory, attention, and orientation. Objective personality testing is not designed to assess cognitive functioning. Neuropsychological testing is a more comprehensive and time-consuming assessment tool that is typically used after a preliminary diagnosis has been made. Neuroimaging techniques can provide important information about brain structure and function but do not directly assess cognition.

Question 10

In neurocognitive disorders, ____.

Accepted Answer

Neurocognitive disorders are characterized by brain dysfunctions that cause problems with thinking processes, memory, consciousness, and perception. Social and psychological factors may also contribute to the development and progression of these disorders, but they are not the primary cause. Option C is incorrect, as neurocognitive disorders are typically associated with observable brain pathology. Option D is incorrect, as psychological factors do not cause the brain to malfunction in this way.

Question 11

The three major categories of neurocognitive disorders listed in the DSM-5 are ____.

Accepted Answer

The DSM-5 categorizes neurocognitive disorders into minor neurocognitive disorder, major neurocognitive disorder, and delirium.

Question 12

Forgetting names of significant others and displaying difficulties with impulse control are examples of ____.

Accepted Answer

Forgetting names of significant others is a common symptom of dementia, a degenerative disorder that affects memory and cognitive abilities. Difficulty with impulse control may also be a symptom of dementia, particularly in later stages. Delirium is a state of acute confusion that can be caused by a number of factors, including drug use or withdrawal, infection, or metabolic disturbances. Depression and anxiety can cause cognitive symptoms, but forgetting names and difficulty with impulse control are not specific to these disorders.

Question 13

Which elderly person is at highest risk for developing some type of dementia?

Accepted Answer

Research has consistently shown that females have a higher risk of developing dementia than males. Additionally, age is a strong risk factor for dementia, with the risk increasing significantly after the age of 65. Therefore, option A (Paige, an 80-year-old female) is at the highest risk for developing some type of dementia.

Question 14

Brenda is undergoing a test that combines X-rays and computer analysis to assess her brain damage.Which test is being used?

Accepted Answer

The combination of X-rays and computer analysis indicates the use of a CT scan, which produces detailed images of the brain by taking X-rays from multiple angles and using computers to create cross-sectional images. PET scans involve the injection of a radioactive substance to measure brain function, while MRI and fMRI use magnetic fields and radio waves to produce images of the brain.

Question 15

In order to receive a DSM-5 major neurocognitive disorder diagnosis, individuals must demonstrate significant decline in ____.

Accepted Answer

According to the DSM-5, in order to receive a major neurocognitive disorder diagnosis, individuals must demonstrate significant decline in one or more cognitive domains (such as memory, attention, language, or visuospatial skills) and in the ability to meet the demands of daily life independently. The decline must be substantial and noticeable to others, and not better explained by another mental disorder or medical condition. Reality testing, coping with stressors, physical and psychological health, visual-perceptual ability, and social cognition may be affected by neurocognitive disorders, but the primary criteria for diagnosis is decline in cognitive function and functional ability.

Question 16

Ali has difficulty speaking.He also experiences memory deficits as well as problems making plans and thinking abstractly.Ali suffers from behavioral disturbances that result from damage to the brain, which is technically referred to as ____.

Accepted Answer

The symptoms described (difficulty speaking, memory deficits, problems with planning and abstract thinking, and behavioral disturbances) are indicative of a cognitive disorder, specifically a neurocognitive disorder. This type of disorder results from damage to the brain, which can lead to problems with thinking, memory, language, and other cognitive functions. Schizophrenia, identity disorders, and mood disorders do not necessarily involve the same combination of symptoms and are not typically associated with the same kinds of brain damage as a neurocognitive disorder.

Question 17

Strokes damaging the left side of the brain typically affect ____, as well as physical movement on the right half of the body; whereas strokes occurring within the right hemisphere can ____ in addition to impairing motor movement on the left side of the body.

Accepted Answer

Strokes damaging the left side of the brain typically affect speech and language proficiency, as well as physical movement on the right half of the body. Strokes occurring within the right hemisphere can impair judgment and short-term memory in addition to impairing motor movement on the left side of the body.

Question 18

Tonya is suspected of having a brain tumor.She goes to the hospital, where a detailed image of her brain is produced using a magnetic field and radio frequency pulses.What kind of brain assessment occurred?

Accepted Answer

The detailed image of the brain produced using a magnetic field and radio frequency pulses suggests that an MRI (Magnetic Resonance Imaging) was performed. This is one of the most common diagnostic tools used to assess the brain for a variety of conditions, including tumors.

Question 19

Medical professionals utilize ____, which allow them to noninvasively visualize brain structures and monitor activity within the brain.

Accepted Answer

Neuroimaging techniques such as MRI, fMRI, PET, and EEG are noninvasive ways to visualize brain structures and observe activity within the brain. Psychological tests, neuropsychological tests, and mental status examinations may provide information about cognitive and behavioral functioning, but they do not directly visualize brain activity.

Question 20

MRIs are superior to other neuroimaging techniques for which of the following reasons?

Accepted Answer

MRIs do not use radiation, making them safer for patients compared to other neuroimaging techniques that use radiation such as CT scans. The other options, while valid advantages of MRIs, do not make them superior to other neuroimaging techniques.

Quiz 13: Neurocognitive Disorders