Both major and mild neurocognitive disorders can increase the risk of delirium and complicate its course. Traditionally, delirium is distinguished from dementia on the basis of the key features of acute onset, impairment in attention,
and which of the following?

The diagnostic criteria for major or mild neurocognitive disorder with Lewy bodies (NCDLB) include fulfillment of criteria for major or mild neurocognitive disorder and presence of “a combination of core diagnostic features and
suggested diagnostic features for either probable or possible neurocognitive disorder with Lewy bodies.” Another feature necessary for the diagnosis is that “the disturbance is not better explained by cerebrovascular disease, another
neurodegenerative disease, the effects of a substance, or another mental, neurological, or systemic disorder.” Which of the following completes the list of features necessary for the diagnosis?

A 72-year-old man with no history of alcohol or other substance use disorders and no psychiatric history is brought to the emergency department (ED) because of transient episodes of unexplained loss of consciousness. His wife reports
that he has experienced repeated falls and syncope over the past year, as well as auditory and visual hallucinations. A thorough workup for cardiac disease has found no evidence of structural heart disease or arrhythmias. In the ED, he is found to have severe autonomic dysfunction, including orthostatic hypotension and urinary incontinence. What is the best provisional diagnosis for this patient?

In addition to documented infection with HIV and fulfillment of criteria for major or mild neurocognitive disorder (NCD), what other requirement must be met to qualify for a diagnosis of major or mild NCD due to HIV infection?

Which of the following statements about the diagnosis of neurocognitive disorder due to Huntington's disease (NCDHD) is true?

Genetic testing is the primary laboratory test for the determination of Huntington’s disease. Which of the following best characterizes the genetic nature of Huntington’s disease?

Prion disease has been reported to occur in individuals of all ages, from the teenage years to late life. Which of the following best characterizes the time frame of disease progression?

Expressed as a percentile, what is the typical performance on neuropsychological testing of individuals with major neurocognitive disorder (NCD)?

A 69-year-old semiretired radiologist with responsibility for chest x-ray interpretation at his academic medical center has been referred by the hospital’s Employee Assistance Program for clinical evaluation because of concerns expressed
by other clinicians that he has been making many mistakes in his x-ray interpretations over the past few months. Evaluation discloses a remote history of alcohol dependence with sobriety for the past 20 years, and a depressive episode
following the death of his wife 9 years before the current problem, treated with cognitive-behavioral therapy with full resolution of symptoms after 6 months and no recurrence. He acknowledges some trouble concentrating but no other symptoms, and he minimizes the alleged x-ray interpretation problems. He cannot state the correct date or day of the week and cannot recall the previous day’s news events, but he can describe highlights of his long career in medicine in great detail. Collateral history from his children reveals that on several occasions in the past year neighbors in his apartment building had complained that he forgot to turn off his stove while cooking, resulting in a smoke-filled apartment. He scores 21/30 on the Mini-Mental State Examination. What diagnosis best fits this clinical picture?

In major or mild frontotemporal neurocognitive disorder, which of the following is a diagnostic feature of the language variant?

Which of the following is a core feature of major or mild neurocognitive disorder with Lewy bodies?

A 35-year-old man brings his 60-year-old father for evaluation of cognitive and functional decline, stating that he thinks his father has dementia; the son is also worried about the possibility of a hereditary illness. The physician notes to herself
that the patient has substantial cognitive impairment and features suggestive of the diagnosis of major neurocognitive disorder due to Huntington’s disease, but she is not sure about the cause of the neurocognitive disorder. She also notes that the patient’s son appears extremely anxious. She has a tight schedule and cannot provide a counseling session for the patient’s son until the next day. What is the most appropriate diagnosis to record on the insurance claim form that the patient’s son will submit on his father’s behalf?

Parkinson's disease result from cell loss in the substantia niagra, the brain area which produces

Which of the following is a sort of mixed-variety dementia?

NPI 실시에 관한 다음 설명 중 틀린 것을 고르시오.

보호자는 K씨가 인지기능 저하로 인하여 직업활동이 불가능하다고 보고 있다. 혼자서 필요한 물건을 구입하기 어렵고 집밖의 사회활동에도 전혀 참여할 수가 없다고 하였다. K씨의 사회활동 수준에 해당하는 CDR 등급은?

보호자에 따르면 K씨는 혼자서 옷을 입기는 하지만 간혹 단추를 잘못 채우고 거꾸로 입기도 한다. 이전보다 옷을 입는 시간도 다소 길어졌다고 한다. 그러나 씻기, 식사, 대소변 가리기 등에서는 독립적인 수행에 전혀 어려움이 없는 상태이다. 위생과 몸치장의 영역에서 K씨의 적절한 CDR 등급에 해당하는 것은?