Neurocognitive Disorders Overview
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Questions and Answers

What is one key aspect of executive function?

  • Multitasking (correct)
  • Long-term memory
  • Somatic awareness
  • Visual perception
  • Inhibition is not considered an important aspect of executive function.

    False (B)

    What cognitive deficit is often related to attention in individuals with ADD?

    Complex attention

    The ability to evaluate information and respond appropriately is known as ______.

    <p>executive function</p> Signup and view all the answers

    Match the following cognitive processes with their definitions:

    <p>Executive Function = Higher order cognitive function involved in multitasking and evaluation Inhibition = The ability to suppress inappropriate responses Complex Attention = Focusing on the most important task while managing distractions Attention Shifting = Changing focus from one stimulus to another</p> Signup and view all the answers

    Which cognitive ability helps individuals recognize when a response is inappropriate?

    <p>Inhibition (A)</p> Signup and view all the answers

    People with executive function deficits may find it easier to manage complex tasks.

    <p>False (B)</p> Signup and view all the answers

    What kind of attention is crucial when deciding what stimuli to focus on while managing distractions?

    <p>Complex attention</p> Signup and view all the answers

    What is the most common cause of acute mental status change in older adults?

    <p>Urinary tract infection (C)</p> Signup and view all the answers

    The neurological system is the least vulnerable body system as people age.

    <p>False (B)</p> Signup and view all the answers

    Name one common infection that can lead to delirium in older adults.

    <p>Urinary tract infection (UTI)</p> Signup and view all the answers

    In older adults, a UTI is often associated with changes in ______ status.

    <p>mental</p> Signup and view all the answers

    Match the common causes of delirium in older adults with their respective symptoms:

    <p>Urinary tract infection = Acute mental status change Pneumonia = Respiratory symptoms Electrolyte imbalance = Confusion or drowsiness Skin infection = Localized pain and redness</p> Signup and view all the answers

    Which body system is identified as more vulnerable in the aging process?

    <p>Neurological system (A)</p> Signup and view all the answers

    An acute mental status change in older adults requires a thorough examination for possible sources of infection.

    <p>True (A)</p> Signup and view all the answers

    What common diagnostic evaluations are conducted for acute mental status changes in young and middle-aged individuals?

    <p>Head CT, tox screen, psych consult (A)</p> Signup and view all the answers

    When assessing an elderly patient with delirium, checking for ______ is often the first step in diagnosis.

    <p>urinary tract infection</p> Signup and view all the answers

    Delirium in the elderly can be attributed to a single specific cause.

    <p>False (B)</p> Signup and view all the answers

    At what point in human development do individuals stop building reserves?

    <p>30 years</p> Signup and view all the answers

    As a function of aging, every body system begins to __________.

    <p>decline</p> Signup and view all the answers

    Match the following diagnostic evaluations with their purposes:

    <p>Head CT = Evaluate for lesions or bleeds Tox screen = Identify intoxicating substances Psych consult = Evaluate for manic or psychotic episodes Delirium assessment = Consider multifactorial causes</p> Signup and view all the answers

    Which of the following factors could lead to delirium in older adults?

    <p>All of the above (D)</p> Signup and view all the answers

    The biopsychosocial model suggests that aging has no impact on neurological vulnerabilities.

    <p>False (B)</p> Signup and view all the answers

    What are the three leading differential diagnoses for acute mental status changes in the elderly?

    <p>Acute brain lesions, intoxicating substances, psychiatric disorders</p> Signup and view all the answers

    Flashcards

    Executive Function

    Higher-order cognitive function; includes multitasking, evaluating information, and responding appropriately. Inhibition is a key part.

    Inhibition

    The ability to control impulses and responses, selecting appropriate actions over automatic ones.

    Complex Attention

    Focus on a task while also noticing and ignoring other information.

    Multitasking

    Ability to manage and switch between multiple tasks, and focus on prioritized ones.

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    Perception

    Awareness, becoming consciously aware of the present.

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    Higher order cognitive functions

    Skills in areas like thinking critically, learning new things and problem-solving.

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    Cognitive function

    The mental process or ability to perform mental actions

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    Mental health disorders

    Conditions that affect a person's psychological well-being.

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    Acute Mental Status Change

    A sudden change in a person's mental state.

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    Diagnostic Evaluation (young/middle-aged)

    Includes head CT, toxicology screen, and psychiatric consultation to look for physical (bleed/lesion) or substance-related causes.

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    Diagnostic Evaluation (elderly)

    A comprehensive evaluation considering all possible causes of delirium; includes a thorough physical exam to investigate the entire body from a multitude of disease perspectives.

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    Delirium (elderly)

    A sudden change in mental state potentially caused by many factors. Significant decline of body systems is one contributing cause.

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    Organ System Decline (aging)

    Every bodily system naturally weakens over time with aging.

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    Reserve Building (early life)

    The body builds reserves during the first 30 years of life for later use.

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    Reserve Utilization (midlife)

    After age 30, the body primarily uses the built-up reserves for daily functioning.

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    Toxicological Screen (tox screen)

    A medical test used in the evaluation of mental status change, to identify the presence of toxins in the body

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    Elderly patient delirium

    A broader differential diagnosis is needed when an elderly patient experiences delirium, compared to a younger individual, as the underlying cause may be more diverse.

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    UTI and delirium

    Urinary Tract Infection (UTI) is the most common cause of delirium in the elderly, presenting acutely.

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    Diagnostic approach (delirium)

    In cases of acute mental status change in the elderly, a urine analysis (UA) is the first critical step, followed by other tests like chest X-ray and thorough skin inspection if the UA is normal.

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    Neurologic vulnerability in elderly

    Age-related changes make the nervous system more susceptible to insults from other body systems.

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    Interdependent body systems

    Body systems rely on each other for function. A weakness in one system can affect other systems.

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    Electrolyte imbalances

    Problems with electrolytes like sodium (hyponatremia) or calcium (hypocalcemia) can cause delirium in the elderly.

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    Mental status change in elderly

    Acute mental status changes, such as delirium, in elderly individuals is often indicative of underlying medical conditions.

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    Frail Elderly

    Older adults prone to health complications and reduced immunity are particularly vulnerable to the impact of infections, including UTIs, leading to delirium.

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    Study Notes

    Differentiating Neurocognitive Disorders

    • Neurocognitive disorders are a collection of conditions formerly called dementing disorders
    • Dementia is not the current recommended terminology
    • Neurocognitive disorders can be caused by various factors
    • Alzheimer's disease is one example of a neurocognitive disorder
    • Six neurocognitive domains are now used for assessment
    • Delirium is an acute, treatable condition, distinct from other neurocognitive disorders
    • Mild and major neurocognitive disorders are distinct types of neurocognitive impairment, differing in the level of impairment and ability to live independently
    • Delirium is a symptom of another underlying problem, and is reversible if the underlying issue is addressed
    • Delirium can affect people of all ages, but is more common in the elderly due to age-related vulnerabilities
    • Common causes of delirium in the elderly include UTI, electrolyte imbalances (hyponatremia, hypocalcemia), and hypoxemia
    • Subdural hematomas and volume contraction can also cause delirium
    • Head trauma can cause major neurocognitive disorder
    • Acute vascular events can result in mild neurocognitive disorder
    • Alzheimer's disease is the most common cause of neurocognitive disorder, often characterized by memory loss
    • Vascular disease, organic brain disease, traumatic brain injury, Parkinson's disease, Lewy bodies, metabolic and endocrinological disorders are other potential causes of neurocognitive impairment
    • Neurocognitive disorders are assessed across six domains: learning and memory, perceptual-motor function, language, executive function, complex attention, social cognition
    • The domains are evaluated to determine the level of impairment and its impact on daily life and activities.

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    Description

    Explore the various types of neurocognitive disorders, including their causes and distinctions between mild and major impairments. Understand the role of delirium as a treatable condition and its impact, especially on the elderly. This quiz covers essential concepts in neurocognitive assessment.

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