Mak Sch
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Biologie Quiz on Quiz 1, created by Mak Sch on 19/11/2017.

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Quiz 1

Question 1 of 14

1

Which statement is not correct?

Select one of the following:

  • 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.

Explanation

Question 2 of 14

1

Which of the following statements is correct?

Select one of the following:

  • 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

Explanation

Question 3 of 14

1

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

Select one of the following:

  • 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

Explanation

Question 4 of 14

1

Smell disorders are frequently caused by

Select one of the following:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

Explanation

Question 5 of 14

1

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

Select one of the following:

  • Voltage gated calcium channels

  • Trp channels

  • TTX insensitive sodium channels

  • G protein coupled receptors

  • Mechanosensitive ion channels

Explanation

Question 6 of 14

1

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

Select one of the following:

  • 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

Explanation

Question 7 of 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

Select one of the following:

  • 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

Explanation

Question 8 of 14

1

What is correct?

Select one of the following:

  • 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.

Explanation

Question 9 of 14

1

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

Select one of the following:

  • 45%

  • 15%

  • 30%

  • 0%

  • more than 60%

Explanation

Question 10 of 14

1

What afferent fiber type conveys first pinch sensation?

Select one of the following:

  • Group Ia spindle afferents

  • Thinly myelinated Aδ-fibers

  • Large myelinated Aβ−fibers

  • Sympathetic efferent fibers

  • Merkel disk afferent fibers

Explanation

Question 11 of 14

1

Smell disorders are frequently caused by ...

Select one of the following:

  • Neurodegenerative diseases

  • Scull fractures

  • Side effects of drugs

  • Diabetes mellitus Type I

  • Kallmann Syndrome

Explanation

Question 12 of 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

Select one of the following:

  • 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

Explanation

Question 13 of 14

1

Which statements are correct?
(several answers are correct)

Select one or more of the following:

  • 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

Explanation

Question 14 of 14

1

The most frequent causes of olfactory loss in adults are…

Select one of the following:

  • drug abuse

  • neurodegenerative diseases

  • environmental pollution

  • sinunasal diseases

  • head trauma

Explanation

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