Biology ยท General Awareness
Health and Neurological Disorders
1,551 Questions
Health and neurological disorders focus on medical conditions affecting the brain, nerves, and overall well being. This category includes questions on neurodegenerative diseases, language disorders, and physical disabilities. It is highly relevant for exams featuring biology and general science.
Neurodegenerative diseasesLanguage disordersLearning disabilitiesGeriatric conditionsPsychotic disorders
Health and Neurological Disorders Questions
How is hearing loss diagnosed?
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Audiometry.
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Otoacoustic emissions.
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Auditory brainstem response.
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All of the above.
D
Correct answer
Explanation
Hearing loss is diagnosed using a variety of tests, including audiometry, otoacoustic emissions, and auditory brainstem response.
What is the prognosis for hearing loss?
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Hearing loss is usually permanent.
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Hearing loss can be treated with hearing aids or cochlear implants.
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Hearing loss can be cured with surgery.
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All of the above.
D
Correct answer
Explanation
The prognosis for hearing loss depends on the type and severity of the hearing loss. Some types of hearing loss are permanent, while others can be treated with hearing aids, cochlear implants, or surgery.
What is the primary neuropathological hallmark of Alzheimer's disease?
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Amyloid plaques
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Tau tangles
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Lewy bodies
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Neuroinflammation
A
Correct answer
Explanation
Amyloid plaques, composed of aggregated amyloid-beta protein, are a defining neuropathological feature of Alzheimer's disease and are believed to contribute to neuronal dysfunction and cognitive decline.
What is the primary neuropathological feature of Huntington's disease?
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Amyloid plaques
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Tau tangles
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Neuroinflammation
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CAG trinucleotide repeat expansion
D
Correct answer
Explanation
Huntington's disease is caused by a CAG trinucleotide repeat expansion in the huntingtin gene, leading to the production of a mutant huntingtin protein. This abnormal protein aggregates and disrupts neuronal function, resulting in the characteristic motor, cognitive, and psychiatric symptoms of the disorder.
What is the name of the disorder that results from damage to Broca's area?
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Aphasia
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Dyslexia
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Agnosia
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Apraxia
A
Correct answer
Explanation
Aphasia is a disorder that results from damage to Broca's area and is characterized by difficulty with language production, including speaking, writing, and comprehension.
What is the name of the disorder that results from damage to Wernicke's area?
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Aphasia
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Dyslexia
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Agnosia
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Apraxia
A
Correct answer
Explanation
Aphasia is a disorder that results from damage to Wernicke's area and is characterized by difficulty with language comprehension, including understanding spoken and written language.
What is the name of the disorder that results from damage to the angular gyrus?
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Aphasia
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Dyslexia
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Agnosia
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Apraxia
B
Correct answer
Explanation
Dyslexia is a disorder that results from damage to the angular gyrus and is characterized by difficulty with reading and writing.
What is the name of the disorder that results from damage to the supramarginal gyrus?
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Aphasia
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Dyslexia
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Agnosia
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Apraxia
D
Correct answer
Explanation
Apraxia is a disorder that results from damage to the supramarginal gyrus and is characterized by difficulty with gestures, including production and comprehension.
Which of the following is a symptom of aphasia?
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Difficulty speaking
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Difficulty understanding spoken language
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Difficulty reading
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Difficulty writing
Correct answer
Explanation
Aphasia is a disorder that affects all aspects of language, including speaking, understanding spoken language, reading, and writing.
Which of the following is a symptom of dyslexia?
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Difficulty reading
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Difficulty writing
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Difficulty with spelling
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Difficulty with grammar
Correct answer
Explanation
Dyslexia is a disorder that affects all aspects of reading and writing, including reading fluency, accuracy, and comprehension.
Which of the following is a symptom of agnosia?
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Difficulty recognizing objects
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Difficulty recognizing faces
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Difficulty recognizing sounds
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Difficulty recognizing smells
Correct answer
Explanation
Agnosia is a disorder that affects all aspects of recognition, including object recognition, face recognition, sound recognition, and smell recognition.
Which of the following is a symptom of apraxia?
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Difficulty with gestures
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Difficulty with tool use
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Difficulty with walking
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Difficulty with eating
Correct answer
Explanation
Apraxia is a disorder that affects all aspects of movement, including gestures, tool use, walking, and eating.
What is the most common cause of aphasia?
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Stroke
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Head injury
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Brain tumor
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Dementia
A
Correct answer
Explanation
Stroke is the most common cause of aphasia, accounting for about 80% of cases.
What is the most common cause of dyslexia?
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Genetics
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Environmental factors
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Brain injury
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Head injury
A
Correct answer
Explanation
Genetics is the most common cause of dyslexia, accounting for about 50% of cases.
What is the most common cause of agnosia?
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Stroke
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Head injury
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Brain tumor
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Dementia
A
Correct answer
Explanation
Stroke is the most common cause of agnosia, accounting for about 80% of cases.