Zusammenfassung der Ressource
Frage 1
Frage
Which statement is not correct?
Antworten
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Smell loss is an early symptom of Parkinson's disease.
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Parkinson's disease and Alzheimer's disease can be distinguished by smell tasting.
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The majority of Parkinson's disease patients with smell loss are functionally anosmic or severely hyposmic
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Olfactory disturbances in Parkinson's disease may have diagnostic utility for the differentiation of Parkinson's disease from other movement disorders.
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Currently, there is no cure for smell loss in Parkinson's disease.
Frage 2
Frage
Which of the following statements is correct?
Antworten
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1. Olfactory receptor neurons regenerate
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2. Preferences for most odors are inborn
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3. Olfactory loss is commonly associated with brain lesion after stroke
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4. Olfactory loss is typically permanent
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5. The olfactory bulb volume is constant throughout lifetime
Frage 3
Frage
Which answer related to the vomeronasal organ (VNO) in adult humans is correct?
Antworten
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1. Humans possess a vomeronasal nerve
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2. For humans, the vomeronasal system plays a crucial role in partner selection
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3. Humans possess an accessory olfactory bulb
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4. The vomeronasal system is probably not functioning in humans
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5. Damage to the vomeronasal duct in humans results in 60% loss of olfaction
Frage 4
Frage
Smell disorders are frequently caused by
Frage 5
Frage
Mechanical stimuli excite mechanoreceptors in the skin by exciting what type of membrane receptors?
Antworten
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Voltage gated calcium channels
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Trp channels
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TTX insensitive sodium channels
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G protein coupled receptors
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Mechanosensitive ion channels
Frage 6
Frage
One of these statements is WRONG
C-fiber nociceptors never:
Antworten
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respond to brush stimuli
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make direct synaptic connections only with excitatory interneurons within lamina I and II
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can sometimes also respond to noxious cold
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are often activated by algogenic chemicals
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mediate flare response in the skin when activated
Frage 7
Frage
1. humans can generally hear sounds with frequencies between 20 Hz und 18 kHz
2. the anatomical structure in which the primary auditory cortex is located is also called Heshl’s gyrus
3. the main speech range in humans lies between 250 Hz und 3000 Hz
4. a temperature adjustment occurs in the middle ear between the air filled outer ear and the liquid filled inner ear
5. a spectral analysis of complex accoustic signals takes place in the cochlea
Frage 8
Antworten
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1. Olfactory loss can be an early sign of measles.
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2. Olfactory loss can be an early sign of Parkinson’s disease.
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3. Olfactory loss is rarely seen in elderly people.
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4. Olfactory loss is commonly associated with brain lesion after stroke.
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5. Olfactory loss is not associated with Huntington’s disease.
Frage 9
Frage
Spontaneous recovery is found in postinfectious olfactory loss at a rate of
Antworten
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45%
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15%
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30%
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0%
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more than 60%
Frage 10
Frage
What afferent fiber type conveys first pinch sensation?
Antworten
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Group Ia spindle afferents
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Thinly myelinated Aδ-fibers
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Large myelinated Aβ−fibers
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Sympathetic efferent fibers
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Merkel disk afferent fibers
Frage 11
Frage
Smell disorders are frequently caused by ...
Frage 12
Frage
Which statements are correct?
A) the starting point of the travelling wave in the cochlea is important for the place-pitch coding
B) loudness is coded by spike rate in the auditory nerve
C) frequency tuning curves are similar for all auditory neurons
D) the primary auditory cortex is tonotopically organised
E) the hearing threshold in humans is similar at all frequencies
Frage 13
Frage
Which statements are correct?
(several answers are correct)
Antworten
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the starting point of the travelling wave in the cochlea is important for the place-pitch coding
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loudness is coded by spike rate in the auditory nerve
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frequency tuning curves are similar for all auditory neurons
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the primary auditory cortex is tonotopically organised
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the hearing threshold in humans is similar at all frequencies
Frage 14
Frage
The most frequent causes of olfactory loss in adults are…