CH. 1 - Anatomy, Neuroanatomy, and Physiology of the Speech Mechanism Flashcards
Which of the following muscles is NOT associated as muscles of “active” expiration?
a. latissimus dorsi
b. rectus abdominis
c. external intercostals
d. internal oblique abdominis
c. external intercostals
Which of the following is true?
A. 12 paired internal intercostals pull the ribs downward for exhalation
B. 11 paired internal intercostals pull the ribs downward for exhalation
C. 12 paired external intercostals pull the ribs downward for exhalation
D. 11 paired external intercostals pull the ribs downward for exhalation
B. 11 paired internal intercostals pull the ribs downward for exhalation
At rest, how much are the lungs partially inflated of their total capacity? A. 30% B. 25% C. 50% D. 40%
D. 40%
Which serves to stiffen or tense the aryepiglottic folds? A. cuneiform cartilages B. arytenoid cartilages C. cricoid cartilage D. thyroid cartilage
A. cuneiform cartilages
Which muscle is generally referred to as the vocalis muscle? A. internal thyroarytenoid B. external thyroarytenoid C. transverse arytenoid D. lateral cricoarytenoid
A. internal thyroarytenoid
* vibrates and produces sound, primary portions of the thyroarytenoid muscle
Most intrinsic laryngeal muscles are innervated by the recurrent laryngeal nerve branch of cranial nerve \_\_\_ ? A. VII B. XI C. X D. IX
C. X Vagus Nerve
* except the cricothyroid, which is innervated by the external branch of the superior laryngeal nerve branch of the Vagus
Which of the following is not an infrahyoid muscle? A. thyrohyoid B. omohyoid C. sternothyroid D. mylohyoid
D. mylohyoid
Respiration relies on the muscles of inspiration and expiration. The thick dome-shaped muscle that separates the abdomen from the thorax is called the A. sternocliedomastoid B. levator costarum longis C. serratus posterior superior D. pectoralis major E. diaphragm
E. diaphragm
Most pharyngeal muscles are innervated by cranial nerves A. V, VII B. XI, XII C. X, XI D. IX, X E. VIII, X
D. IX, X
The primary muscle of the lips is the A. orbicularis oris B. buccinator C. risorius D. levator labii superioris E. zygmotaic major
A. orbicularis oris
The neurons that transmit information away from the brain are called A. afferent neurons B. efferent neurons C. primary neurons D. secondary neurons E. peripheral neurons
B. efferent neurons
An important structure adjacent to the brainstem that contains the hypothalamus (which controls emotions) and the thalamus (which relays sensory impulses to various portions of the cerebral cortex) is called the A. mesencephalon B. diencephalon C. inferior cerebellar peduncle D. superior cerebellar peduncle E. postcentral gyrus
B. diencephalon
The corpus striatum is composed of three nuclear masses, which are the
A. globus pallidus, caudate nucleus, and putamen
B. putamen, caudate nucleus, and basal ganglia
C. supramarginal gyrus, angular gyrus, and putamen
D. substantia nigra, angular gyrus, and globus pallidus
E. metencephalon, reticular activating system, and caudate nucleus
A. globus pallidus, caudate nucleus, and putamen
The structure that regulates body posture, equilibrium, and coordinated fine motor movements is the A. angular gyrus B. corticospinal tract C. circle of Willis D. cerebellum E. supramarginal gyrus
D. cerebellum
The anterior cerebral artery supplies blood to the A. corpus callosum and basal ganglia B. corpus striatum C. caudate nucleus and globus pallidus D. substantia nigra E. lateral surface of the cortex
A. corpus callosum and basal ganglia