Speech Science Flashcards
Which subset of the 12 cranial nerves is critically important during speech production?
a. III, VI, X, and XI
b. V, VII, X, and XII
c. IV, V, VII, and XII
d. I, V, X and XI
e. IV, V, VI, and XI
b. V, VII, X, and XII
Nuclei are groups of cell bodies (somas) that reside:
a. Inside the central nervous system (CNS)
b. Outside the CNS
c. Inside the peripheral nervous system (PNS)
d. Outside the PNS
e. Within the layers of the cerebral cortex
a. Inside the central nervous system (CNS)
The corticobulbar tract projects to most of the brain-stem’s motor nuclei in which manner?
a. Ipsilaterally
b. Contralaterally
c. Rostrally
d. Caudally
e. Bilaterally
e. Bilaterally
The _______________ is the basic unit of the nervous system.
a. Axon
b. Dendrite
c. Soma (cell body)
d. Motor unit
e. Neuron
e. Neuron
Executive functions such as reasoning, planning, and problem solving are associated with the operation of the __________________
lobe.
a. Frontal
b. Parietal
c. Temporal
d. Insula
e. Occipital
a. Frontal
A lesion to the lower motor neuron will result in which of the following symptoms?
a. Spasticity
b. Hyperactive reflexes
c. Tremor
d. Observed muscle effects on the contralateral side from the injury
e. Flaccid paralysis or paresis
e. Flaccid paralysis or paresis
Ataxic dysarthria is related to a lesion of which of the following?
a. Basal ganglia
b. Broca area
c. Cerebellum
d. Facial motor nucleus
e. Brainstem
c. Cerebellum
The trigeminal lemniscal system transmits which of the following sensations from the face to the primary sensory cortex in the brain?
a. Proprioception and touch
b. Touch and vision
c. Auditory input
d. Olfactory sensation and taste
e. Only painful sensations
a. Proprioception and touch
Motor neurons innervating the muscles of mastication reside within which brainstem nucleus?
a. The motor nucleus of the trigeminal system
b. The facial motor nucleus
c. The nucleus ambiguus
d. The mandibular nucleus
e. The nucleus retrotrigeminalis
a. The motor nucleus of the trigeminal system
Complete damage to the right and left hypoglossal nerves (cranial nerve XII) would result in:
a. Inability to voluntarily move the lips
b. Inability to voluntarily move the tongue
c. Inability to taste
d. Inability to trigger a swallowing reflex
e. Inability to propel a bolus down the esophagus
b. Inability to voluntarily move the tongue
The _____________________ nerve innervates the muscles of
expression and mediates taste in the anterior segment of the tongue.
a. Facial
b. Vagus
c. Glossopharyngeal
d. Accessory
e. Oculomotor
a. Facial
The Broca area and the Wernicke area are interconnected through the:
a. Uncinate fasciculus
b. Cingulum
c. Arcuate fasciculus
d. Internal capsule
e. Internal arcuate fibers
c. Arcuate fasciculus
Which efferent tract innervates all the motor nuclei of the cranial nerve systems in the brainstem?
a. Corticobulbar tract
b. Tectospinal tract
c. Corticospinal tract
d. Rubrospinal tract
e. Vestibulobulbar tract
a. Corticobulbar tract
In the absence of the trigeminal nerve, what abnormalities would be observed?
a. Loss of sensation to the larynx
b. Loss of taste to the anterior portion of the tongue
c. Loss of sensation to the skin of the face
d. Loss of motor control to the muscles of the face
e. Loss of salivary gland function
c. Loss of sensation to the skin of the face
Which muscle, originating from the lateral and superior cricoid rim, is involved primarily in “medial compression” during vocalization and, when active, rotates the muscular process of the arytenoid laterally?
a. Lateral cricoarytenoid
b. Oblique inter arytenoids and lateral cricoarytenoid
c. Cricothyroid
d. Transverse interarytenoid and lateral cricoarytenoid
e. Superior cricoarytenoid
a. Lateral cricoarytenoid
- Glottal abductors include the:
a. Cricothyroid muscle with assistance from the thyroarytenoid muscle
b. Posterior cricoarytenoid muscle
c. Transverse interarytenoid and lateral cricoarytenoid muscles
d. Interarytenoid and lateral cricoarytenoid muscles
e. Hyothyroid and sternothyroid muscles
b. Posterior cricoarytenoid muscle
- The __________________ is the largest of the laryngeal cartilages.
a. Thyroid
b. Cricoid
c. Arytenoid
d. Hyoid
e. Corniculates
a. Thyroid
- The __________________ is a free-floating and U-shaped bone that forms the upper extent of the laryngeal system.
a. Thyroid
b. Cricoid
c. Arytenoid
d. Hyoid
e. Tragus
d. Hyoid
The thyrovocalis muscle:
a. Abducts the vocal folds
b. Slides the arytenoid cartilages toward the midline
c. Decreases the distance between the cricoid and the arytenoid cartilages
d. Contributes minimally to pitch adjustment during speech
e. Forms the medial segment of the musculature of the vocal folds
e. Forms the medial segment of the musculature of the vocal folds
The mentalis muscle originates from the anterior surface of the mandible and:
a. Inserts into the upper lip to assist in upper lip elevation
b. Inserts into the lower lip to assist in lower lip elevation
c. Inserts into the oral angle to help draw the corners of the mouth posteriorly
d. Inserts into the deep skin of the nostrils to assist in a flaring action
e. Can function to depress inferiorly the skin of the chin and bottom lip
b. Inserts into the lower lip to assist in lower lip elevation
The buccinator muscle is a deep facial muscle that originates partially from the maxilla and:
a. Makes its insertion by interdigitating with the nasalis muscle
b. Makes its insertion by interdigitating with the muscles that constitute the oral angle
c. Makes its insertion by interdigitating with the corrugator muscle
d. Makes its insertion by interdigitating with the palatoglossus muscle
e. Makes its insertion into the ramus of the mandible
b. Makes its insertion by interdigitating with the muscles that constitute the oral angle
The zygomaticus major and minor muscles operate together to:
a. Retract the oral angle directly posterior
b. Draw the lower lip directly upward and compress it against the upper teeth during speech
c. Elevate the upper lip and draw the oral angle superiorly and posteriorly
d. Compress the cheek tissue against the teeth
e. Draw the oral angles downward, as in a frown
c. Elevate the upper lip and draw the oral angle superiorly and posteriorly
Originating from the temporal fossa, the temporalis muscle is capable of:
a. Rapidly depressing the mandible
b. Shearing and tearing actions
c. Preventing lateral motion of the jaw to one side if contracted unilaterally
d. Acting as an antagonist to the masseter muscle
e. Opening the oral cavity by lowering the mandible
b. Shearing and tearing actions
The medial pterygoid muscle plays an active role in closing the jaws during speech. Which muscle is considered the direct antagonist of the medial pterygoid muscle during speech?
a. Lateral pterygoid muscle
b. Anterior belly of digastricus muscle
c. Masseter muscle
d. Mylohyoid muscle
e. Stylohyoid muscle
b. Anterior belly of digastricus muscle
The ________________ muscle is responsible for the opening of the eustachian tube.
a. Levator veli palatini
b. Palatopharyngeus
c. Palatoglossus
d. Musculus uvulus
e. Tensor veli palatini
e. Tensor veli palatini
High vowels have a higher oral impedance, which is correlated with a:
a. Smaller velopharyngeal opening
b. Larger velopharyngeal opening
c. Velopharyngeal opening size that decreases with production of low vowels
d. Velopharyngeal opening size that varies between small and large
e. Larger nostril opening
a. Smaller velopharyngeal opening
The muscles of the velopharyngeal system include the:
a. Levator veli palatini, tensor veli palatini, and superior pharyngeal constrictor
b. Levator veli palatini, tensor veli palatini, and cricopharyngeus
c. Tensor veli palatini, cricopharyngeus, and lateral cricoarytenoid
d. Cricopharyngeus, lateral cricoarytenoid, and posterior cricoarytenoid
e. Tensor veli palatini, cricopharyngeus, and superior pharyngeal constrictor
a. Levator veli palatini, tensor veli palatini, and superior pharyngeal constrictor
The levator veli palatini muscle is commonly referred to as the velar sling. The primary tole of this muscle during velopharyngeal port closure is:
a. to tense and stiffen the anterior velum at the border of the palatine bone
b. To shorten and thicken the nasal surface of the velum along the midline
c. To lower the velum
d. To stiffen the nasal surface of the velar tissue
e. To elevate and retract the velum posteriorly
e. To elevate and retract the velum posteriorly