Mak Sch
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Biologie Test sobre Quiz 1, creado por Mak Sch el 19/11/2017.

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Quiz 1

Pregunta 1 de 14

1

Which statement is not correct?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 2 de 14

1

Which of the following statements is correct?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 3 de 14

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 4 de 14

1

Smell disorders are frequently caused by

Selecciona una de las siguientes respuestas posibles:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

Explicación

Pregunta 5 de 14

1

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

Selecciona una de las siguientes respuestas posibles:

  • Voltage gated calcium channels

  • Trp channels

  • TTX insensitive sodium channels

  • G protein coupled receptors

  • Mechanosensitive ion channels

Explicación

Pregunta 6 de 14

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 7 de 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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 8 de 14

1

What is correct?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 9 de 14

1

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

Selecciona una de las siguientes respuestas posibles:

  • 45%

  • 15%

  • 30%

  • 0%

  • more than 60%

Explicación

Pregunta 10 de 14

1

What afferent fiber type conveys first pinch sensation?

Selecciona una de las siguientes respuestas posibles:

  • Group Ia spindle afferents

  • Thinly myelinated Aδ-fibers

  • Large myelinated Aβ−fibers

  • Sympathetic efferent fibers

  • Merkel disk afferent fibers

Explicación

Pregunta 11 de 14

1

Smell disorders are frequently caused by ...

Selecciona una de las siguientes respuestas posibles:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

Explicación

Pregunta 12 de 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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 13 de 14

1

Which statements are correct?
(several answers are correct)

Selecciona una o más de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 14 de 14

1

The most frequent causes of olfactory loss in adults are…

Selecciona una de las siguientes respuestas posibles:

  • drug abuse

  • neurodegenerative diseases

  • environmental pollution

  • sinunasal diseases

  • head trauma

Explicación

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