Mak Sch
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Biologie Quiz am Quiz 1, erstellt von Mak Sch am 19/11/2017.

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Quiz 1

Frage 1 von 14

1

Which statement is not correct?

Wähle eine der folgenden:

  • Smell loss is an early symptom of Parkinson's disease.

  • Parkinson's disease and Alzheimer's disease can be distinguished by smell tasting.

  • The majority of Parkinson's disease patients with smell loss are functionally anosmic or severely hyposmic

  • Olfactory disturbances in Parkinson's disease may have diagnostic utility for the differentiation of Parkinson's disease from other movement disorders.

  • Currently, there is no cure for smell loss in Parkinson's disease.

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Frage 2 von 14

1

Which of the following statements is correct?

Wähle eine der folgenden:

  • 1. Olfactory receptor neurons regenerate

  • 2. Preferences for most odors are inborn

  • 3. Olfactory loss is commonly associated with brain lesion after stroke

  • 4. Olfactory loss is typically permanent

  • 5. The olfactory bulb volume is constant throughout lifetime

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Frage 3 von 14

1

Which answer related to the vomeronasal organ (VNO) in adult humans is correct?

Wähle eine der folgenden:

  • 1. Humans possess a vomeronasal nerve

  • 2. For humans, the vomeronasal system plays a crucial role in partner selection

  • 3. Humans possess an accessory olfactory bulb

  • 4. The vomeronasal system is probably not functioning in humans

  • 5. Damage to the vomeronasal duct in humans results in 60% loss of olfaction

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Frage 4 von 14

1

Smell disorders are frequently caused by

Wähle eine der folgenden:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

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Frage 5 von 14

1

Mechanical stimuli excite mechanoreceptors in the skin by exciting what type of membrane receptors?

Wähle eine der folgenden:

  • Voltage gated calcium channels

  • Trp channels

  • TTX insensitive sodium channels

  • G protein coupled receptors

  • Mechanosensitive ion channels

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Frage 6 von 14

1

One of these statements is WRONG
C-fiber nociceptors never:

Wähle eine der folgenden:

  • respond to brush stimuli

  • make direct synaptic connections only with excitatory interneurons within lamina I and II

  • can sometimes also respond to noxious cold

  • are often activated by algogenic chemicals

  • mediate flare response in the skin when activated

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Frage 7 von 14

1

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

Wähle eine der folgenden:

  • just 2 and 4 are correct

  • 1-5, all are correct

  • just 2 is correct

  • just 1, 2, 3 and 5 are correct

  • just 1 und 3 are correct

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Frage 8 von 14

1

What is correct?

Wähle eine der folgenden:

  • 1. Olfactory loss can be an early sign of measles.

  • 2. Olfactory loss can be an early sign of Parkinson’s disease.

  • 3. Olfactory loss is rarely seen in elderly people.

  • 4. Olfactory loss is commonly associated with brain lesion after stroke.

  • 5. Olfactory loss is not associated with Huntington’s disease.

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Frage 9 von 14

1

Spontaneous recovery is found in postinfectious olfactory loss at a rate of

Wähle eine der folgenden:

  • 45%

  • 15%

  • 30%

  • 0%

  • more than 60%

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Frage 10 von 14

1

What afferent fiber type conveys first pinch sensation?

Wähle eine der folgenden:

  • Group Ia spindle afferents

  • Thinly myelinated Aδ-fibers

  • Large myelinated Aβ−fibers

  • Sympathetic efferent fibers

  • Merkel disk afferent fibers

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Frage 11 von 14

1

Smell disorders are frequently caused by ...

Wähle eine der folgenden:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

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Frage 12 von 14

1

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

Wähle eine der folgenden:

  • just A and C are correct

  • just B and D are correct

  • just B is correct

  • A-E, all are correct

  • just A, B, C and E are correct

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Frage 13 von 14

1

Which statements are correct?
(several answers are correct)

Wähle eine oder mehr der folgenden:

  • the starting point of the travelling wave in the cochlea is important for the place-pitch coding

  • loudness is coded by spike rate in the auditory nerve

  • frequency tuning curves are similar for all auditory neurons

  • the primary auditory cortex is tonotopically organised

  • the hearing threshold in humans is similar at all frequencies

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Frage 14 von 14

1

The most frequent causes of olfactory loss in adults are…

Wähle eine der folgenden:

  • drug abuse

  • neurodegenerative diseases

  • environmental pollution

  • sinunasal diseases

  • head trauma

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