Revision - 4 Flashcards

1
Q

Frequency of sound waves roughly corresponds to our perception of …

A

Timbre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In the human cochlea, the part of the basilar membrane furthest from the oval window codes …

A

Low frequencies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

This sequence is the correct auditory route to the cortex:

A

1) Cochlear nucleus
2) Superior olivary complex
3) Inferior colliculus
4) Medial geniculate
5) Auditory cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which system is the somatosensory system most closely linked?

A

The motor system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Proprioception is the perception of …

A

The location of one’s body in space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The primary somatosensory cortex is found in the ___, while the secondary somatosensory cortex is located in the ___

A

Postcentral gyrus,

Parietal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What will cause a muscle to relax?

A

The absence of acetylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A sudden stretch of a muscle starts a feedback system that opposes the
stretch. Where does the reflex message start?

A

Muscle spindles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the characteristic of a ballistic reflex movement?

A

It proceeds automatically, once it has been triggered

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The amplitude of a sound wave translates to …

A

Intensity of sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sound levels above ___dB produce pain

A

130

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Your ability to distinguish between the same note played on a clarinet versus a piano is due to the tone’s …

A

Timbre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is not part of the middle or inner ear?

A

Pinna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which structure is responsible for translating vibrations in the inner ear into neural messages?

A

Organ of corti

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which area is activated by complex types of stimuli, such as clicks or general bursts of noise?

A

Secondary auditory cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Most frequencies are systematically encoded by the auditory system through tonotopic organization. What does this mean?

A

Different frequencies are processed in different locations

17
Q

Binaural neurons are involved in localisation of sound are located in the …

A

Superior olive

18
Q

Hearing loss resulting from problems in the outer or middle ears is referred to as …

A

Conduction lost

19
Q

Vibrations from a loud stereo can be sensed by your …

A

Pacinian corpuscles

20
Q

What mechanoreceptor has a small receptive field and rapid rates of adaptation?

A

Meissner’s corpuscles

21
Q

If warm water activates your warm receptors, which fibers would you expect to be activated?

A

C fibres

22
Q

Cochlear implants work by …

A

Stimulating the auditory nerve electrically

23
Q

The sensory organs of the vestibular system are found in the …

A

Inner ear

24
Q

Olfaction begins with the …

A

Detection of molecules suspended in the air.

25
Q

The neural receptors for olfaction are contained within the …

A

Olfactory epithelium

26
Q

Olfaction is unique among the major senses in that …

A

Information travels to the neocortex without first synapsing in the thalamus

27
Q

Food substances need to be dissolved in ___ in order to be tasted

A

Saliva

28
Q

Which nucleus in the thalamus receives information regarding taste?

A

Ventral posterior medial nucleus

29
Q

Blocking the release of what neurotransmitter would cause problems with movement at the neuromuscular junction?

A

Acetylcholine

30
Q

Muscles that straighten joints are referred to as …

A

Extensors

31
Q

The spinal motor neurons directly responsible for contracting muscles are
known as …

A

Alpha motor neurons

32
Q

Without ___ the intrafusal fibers could not give the brain accurate information about how far the muscle was stretched which gives fine limb position

A

Gamma motor neurons

33
Q

Without ___ we would not get information regarding the degree of muscle contraction or force

A

Golgi tendon orgnas

34
Q

When we stretch, we receive information about how far we’re stretching from …

A

Muscle spindles

35
Q

The patellar tendon reflex, or knee-jerk reflex, is an example of a …

A

Monosynaptic reflex