Do you know that neurophysiology is the study of nerve cells (neurons) as they receive and transmit information? It is a branch of physiology and neuroscience that focuses on the functioning of the nervous system. The word originates from the Greek word νεῦρον meaning "nerve" and -λογία meaning "knowledge".
Test your neurophysiology skills in this quiz and improve your knowledge.
20 - 20,000 Hz
10 - 100,000 Hz
20 - 200 Hz
10 - 100 Hz
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85%, 15%
50%, 50%
30%, 70%
15%, 85%
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Salty
Sour
Bitter
Sweet
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Pacinian corpuscle
Merkel discs
Pincus domes
Meissner's corpuscle
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Dermatome
Halotome
Skinotome
Desmosome
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Corticospinal tract
Corticobulbar tract
Corticovestibular
Who cares
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Corticospinal tract
Corticobulbar tract
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Solitary nucleus
Ganglion nucleus
Trigeminal nucleus
Brodmann's area 3, 1, 2
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Sour and bitter thresholds are lower, making us super sensitive. ---> usually sour and bitter tastes represent harmful foods
Sweet and salty thresholds are lower, making us super sensitive ---> usually sweet and salty tastes represent harmful foods
Sour and bitter thresholds are lower, making us super insensitive. ---> usually sour and bitter tastes represent beneficial foods
Sour and bitter thresholds are the same as sweet and salty --> we love candy
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Because its been studying neuro all weekend
Because it wants to sleep
All of the above are correct
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True
False
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Left spinothalamic tract
Right spinothalamic tract
Left medial lemniscus tract
Right medial lemniscus tract
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Towards the kinocilia
Away from the kinocilia
Towards the ampulla
Towards the semicircular canals
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~30%
~70%
~3%
~10%
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Spinocerebellar pathway
Cuneocerebellar pathway
Spinothalamic pathway
Trigeminothalamic pathway
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Glutamate
GABA
Acetylcholine
Glycine
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CN IX --> solitary nucleus --> VPM of thalamus --> lateral surface of parietal cortex brodmanns # 3,1,2
CN X --> solitary nucleus --> VML of thalamus --> medial surface of parietal cortex brodmanns # 44
CN VII --> Chorda tympani --> solitary nucleus --> VPM of thalamus --> lateral surface of cortex brodmanns #3,2,1
Inferior ganglion of CN IX --> solitary nucleus ---> salivary nuclei (CN VII, IX)
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True
False
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Trigeminal nucleus
Trochlear nucleus
Thalamic nucleus
Cuneate nucleus
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1
2
3
5
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The higher the amplitude the more vibration of the basilar membrane, the more movement of the basilar membrane the more NTs released by the hair cells and the greater # of action potentials generated by the spiral ganglia
The higher the amplitude the further from the base the basilar membrane is stimulated resulting in a "louder signal sent to the spiral ganglia
The lower the amplitude the more vibration of the basilar membrane, the more movement of the basilar membrane the more NTs released by the hair cells and the greater # of action potentials generated by the spiral ganglia
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20; 7 miles away
5; 7 feet away
20; 7 minutes away
5; 7 miles away
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A second messenger system and is slower than other systems
Primary messenger system and is faster than other systems
Graded membrane potential and is faster than other systems
Na+/K+ channels and is slower than other systems
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True
False
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Body, head
Head, body
Body, body
Head, head
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High frequencies; low frequencies
Low frequencies; high frequencies
High amplitudes; low amplitudes
Low amplitudes; high amplitudes
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Sour
Sweet
Salty
Bitter
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Smooth , voluntary muscular movements
Fast muscular movements
Reflex movements
Involuntary movements
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At vertebral level of stimulus, in the medulla
In the medulla, at the vertebral level of the stimulus
In the medulla, in the medulla
In the brain, in the spinal cord
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Information is sent to the cortex first then the thalamus
Receptor cell is a neuron
Only two cell in the pathway
Information is sent to the thalamus first, then the cortex
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Stretch, Ia and II
Tension, Ia and II
Stretch, II and III
Tension, II and III
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Perilymph, endolymph, perilymph
Endolymph, perilymph, endolymph
Endolymph, perilymph, perilymph
Perilymph, perilymph, endolymph
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K+
Na+
Ca2+
Cl-
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Nystagmus
Cranial nerve palsy
Exotropia
Levator dehiscence
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Chorda Tympani --> CN VII --> solitary nucleus --> VPM of thalamus --> lateral surface of parietal cortex broadmann's #3,1,2
Chorda tympani --> CN XI --> solitary nucleus --> VPM of thalamus --> lateral surface of parietal cortex broadmann's #3,1,2
Chorda tympani --> CN X --> solitary nucleus --> VPM of thalamus --> lateral surface of parietal cortex broadmann's #3,1,2
Geniculate ganglion --> CN VII --> solitary nucleus--> VPM of thalamus --> lateral surface of parietal cortex broadmann's #3,1,2
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Small in size
Found near the surface of the skin
Found deep in the dermis
Found on the surface
Large in size
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High frequencies
Low frequencies
High amplitudes
Low amplitudes
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Receptor cell
Supporting cells
Basal cells
Wing cells
Stem cells
Neuronal cells
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Dorsal root ganglion
Ventral root ganglion
Spinothalamic tract
Trigeminothalamic tract
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III
IV
II
Ia
Ib
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True
False
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Low, high
High, low
Low, low
High, high
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Proprioceptive info from the right leg --> right clarke's nucleus --> right spinocerebellar tract --> vermis of cerebellum
Proprioceptive info from the right leg --> left clarke's nucleus --> left spinocerebellar tract --> vermis of cerebellum
Proprioceptive info from the right leg --> right clarke's nucleus --> left spinocerebellar tract --> vermis of cerebellum
Proprioceptive info from the left leg --> right clarke's nucleus --> right spinocerebellar tract --> vermis of cerebellum
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Lateral lemniscus
Medial lemniscus
Spinocerebellar tract
Cuneovestibular tract
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Hyperpolarization and reduced number of action potentials
Depolarization and increase in the number of action potentials
Hyperpolarization and increased number of action potentials
Depolarization and decreased numbed of action potentials
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Stays the same
Doubles
Triples
Quadruples
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22x, 1.3x, 17x
47.5x, 2.5x, 19x
1.3x, 22x, 17x
17x, 1.3x 19x
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35mm
35cm
3mm
13mm
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