1/184
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
which structure is primarily responsible for initiating voluntary motor movements?
primary motor cortex
the corticospinal tract is part of which motor system?
pyramidal
what is the function of the upper motor neurons?
transmit motor commands from the cortex to LMN
damage to the cerebellum typically result in
ataxia
which of the following best describes the extrapyramidal system?
it modulates motor activity and posture
what is the hallmark feature of LMN damage?
muscle atrophy and fasciculations
which brain structure acts as a relay center for motor and sensory pathways
thalamus
which descending motor tract is primarily responsible for fine motor control of limbs?
corticospinal tract
what is the primary role of the basal ganglia in motor control?
motor initiation and inhibition
which of the following symptoms suggests UMN involvement?
positive babinski sign
which cranial nerve controls jaw movement for speech and mastication?
CN V trigeminal
the facial nerve is important for speech because it
moves the lips for bilabial and labiodental sounds
the vagus nerve plays a key role in
phonation and velar elevation
which cranial nerve innervates intrinsic and extrinsic tongue muscles
CN XII
the glossopharyngeal nerve contributes to speech by
velopharyngeal closure and resonance
damage to the hypoglossal nerve may result in
tongue deviation and imprecise articulation
which cranial nerves are involved in velopharyngeal closure for resonance and speech
CN IX and X
the accessory nerve indirectly affects speech by
supporting head and neck positioning during speech
a patient presents with nasal emission and breathy voice. this may indicate damage to
CN X
which set of cranial nerves plays a direct role in articulation and resonance
CN V, VII, X, XII
Which cranial nerve innervates the muscles of mastication?
CN V - trigeminal
Damage to which cranial nerve would most likely result in facial asymmetry?
CN VII - facial
Which cranial nerve is most responsible for tongue movement?
CN XII
The pharyngeal branch of CN X primarily controls which function?
Velopharyngeal closure
CN IX (Glossopharyngeal) plays a role in which of the following?
Laryngeal elevation and taste
Which cranial nerve is primarily responsible for vocal fold movement?
CN X
The facial nerve (CN VII) is involved in which motor speech function?
lip rounding and retraction
Which cranial nerve contributes to palatal movement and gag reflex?
CN IX
Which subsystem of speech is responsible for air pressure and airflow generation?
respiratory
The phonatory subsystem involves which structure primarily
vocal folds
Which subsystem modulates nasality in speech?
resonatory
The articulatory subsystem includes all EXCEPT:
larynx
Which cranial nerve contributes to both resonance and phonation?
CN X
The respiratory subsystem is assessed clinically using:
maximum phonation time
Damage to CN XII would most directly impact which function?
tongue mobility
Which cranial nerve is tested by asking the client to puff their cheeks and smile?
CN VII
Speech intelligibility is most closely linked to which subsystem?
articulatory
A hoarse, breathy voice indicates a problem with which subsystem?
resonatory
Hypernasality is most commonly caused by dysfunction of:
CN X
The trigeminal nerve (CN V) plays a role in
jaw and face sensation
Which subsystem supports loudness and vocal intensity?
respiratory
A person with reduced loudness and short phrases may have a deficit in the:
respiratory subsystem
Which cranial nerves are assessed together for palatal movement and gag reflex?
CN IX and X
The articulatory subsystem transforms airflow into:
intelligible speech
The subsystem most directly responsible for pitch and intonation is:
phonatory
Which of the following is most characteristic of flaccid dysarthria?
hypernasality
A lesion in which structure typically causes spastic dysarthria?
bilateral upper motor neurons
Unilateral upper motor neuron (UUMN) dysarthria most commonly presents with:
mild articulatory imprecision and facial weakness
Which dysarthria is associated with hypotonia and fasciculations?
flaccid
What is the most distinguishing vocal feature of spastic dysarthria?
harsh, strained-strangled voice
Which cerebellar sign is commonly linked to ataxic dysarthria?
dysmetria
Which of the following best describes the speech of someone with ataxic dysarthria?
slurred, scanning speech with irregular prosody
UUMN dysarthria is most often:
transient and mild
Which of the following is commonly seen in flaccid dysarthria but not in spastic?
fasciculations
The hallmark of spastic dysarthria is:
slow rate, effortful speech, strained-strangled voice
Damage to the cerebellum leads to which dysarthria?
ataxic
Which cranial nerves are often implicated in flaccid dysarthria?
CN IX, X, XI, XII
Spastic dysarthria often results from:
brainstem strokes affecting both hemispheres
UUMN dysarthria often affects which hemisphere more prominently
left
speech in flaccid dysarthria may show
nasal emission and breathy phonation
irregular articulatory breakdowns and excess loudness variations are most indicative of
ataxic dysarthria
What type of dysarthria typically includes emotional lability as a non-speech feature?
flaccid dysarthria
Bilateral upper motor neuron damage causes which type of dysarthria?
spastic
Which type is typically associated with consistent but imprecise articulation?
spastic
Which type is most frequently described as having "drunken" speech?
ataxic
The neuromuscular condition characterized by reduced reflexes and hypotonia is:
LMN lesion
Jaw deviation and tongue weakness would most likely indicate:
flaccid dysarthria
Prosodic excess and irregular AMRs (alternating motion rates) are signs of:
ataxic dysarthria
Which type of dysarthria involves poor coordination between speech subsystems?
ataxic
Which of the following dysarthrias is commonly temporary and often resolves?
UUMN
Which of the following is a hallmark feature of hypokinetic dysarthria?
monopitch
Hypokinetic dysarthria is most commonly associated with which neurological disorder?
parkinson’s disease
A prominent speech feature in hyperkinetic dysarthria includes:
voice tremor
which speech subsystem is most affected in hypokinetic dysarthria?
phonatory
Tremor, chorea, and dystonia are motor symptoms associated with which dysarthria type?
hyperkinetic
Short rushes of speech are most commonly observed in:
hypokinetic dysarthria
Which of the following is NOT typically associated with hyperkinetic dysarthria?
increased overall speech rate
Hypokinetic dysarthria often results from damage to the:
basal ganglia control circuit
Which feature best differentiates hyperkinetic from hypokinetic dysarthria?
abnormal, involuntary movements
Palilalia is most commonly observed in which dysarthria type?
hypokinetic
The speech rate in hyperkinetic dysarthria is typically:
variable due to involuntary movements
Which of the following is NOT a typical characteristic of hypokinetic dysarthria?
tremor
Involuntary movements affecting speech production are most often associated with:
hyperkinetic dysarthria
The basal ganglia are primarily involved in:
coordinating automatic movements
A common treatment strategy for hypokinetic dysarthria includes:
LSVT
Hyperkinetic dysarthria may result from lesions in the
basal ganglia control circuit
Which feature is shared by both hypokinetic and hyperkinetic dysarthria?
imprecise articulation
Which is a perceptual characteristic more specific to hyperkinetic dysarthria?
variable speech rate
Vocal flutter and strained voice quality in hyperkinetic dysarthria are due to:
dystonia or tremor
Masked facies is most commonly associated with:
hypokinetic dysarthria
Hyperkinetic dysarthria in Huntington’s disease presents primarily with:
chorea induced variability
What is a diagnostic indicator of hypokinetic dysarthria from perceptual analysis?
increased red
Which disorder commonly leads to hyperkinetic dysarthria?
huntington’s disease
The term 'prosodic insufficiency' best describes features of:
hypokinetic dysarthria
What type of involuntary movement is most commonly observed in hyperkinetic dysarthria?
chorea
Which of the following is the most common type of mixed dysarthria seen in ALS?
flaccid-spastic
Which degenerative disease is most commonly associated with mixed flaccid-spastic dysarthria?
ALS
Which combination of dysarthrias is most commonly caused by multiple strokes?
spastic-ataxic
Which of the following best describes the speech characteristics of spastic-ataxic dysarthria?
strained voice, irregular AMRs, imprecise articulation
In Multiple System Atrophy, the most common dysarthria types are
hypokinetic and ataxic