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CCC ASHA Anatomy & Physiology of Communication Flashcards

7 cards from real CCC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which muscle is the primary muscle of inspiration during quiet breathing?

    Answer: Diaphragm

    The diaphragm is the primary muscle of inspiration, contracting to increase the vertical dimension of the thoracic cavity during quiet breathing.

  2. The vocal folds are housed within which structure of the larynx?

    Answer: Thyroid cartilage

    The thyroid cartilage forms the anterior and lateral walls of the larynx and is the structure within which the vocal folds are situated.

  3. According to the myoelastic-aerodynamic theory of phonation, what initiates vocal fold opening?

    Answer: Subglottal air pressure overcoming medial compression

    Subglottal air pressure builds beneath the closed vocal folds until it overcomes medial compression, pushing the folds apart to initiate the vibratory cycle.

  4. Which cranial nerve provides primary motor innervation to the intrinsic muscles of the larynx?

    Answer: CN X (Vagus) via the recurrent laryngeal branch

    The recurrent laryngeal nerve, a branch of CN X (Vagus), provides motor innervation to all intrinsic laryngeal muscles except the cricothyroid, which is served by the superior laryngeal nerve.

  5. The velopharyngeal mechanism primarily functions to separate which two cavities during speech?

    Answer: Oral and nasal cavities

    The velopharyngeal valve separates the oral and nasal cavities, preventing unwanted nasal resonance during non-nasal phonemes.

  6. The hyoid bone is unique because it is the only bone in the body that does not articulate with another bone. Which structure does NOT attach directly to the hyoid?

    Answer: Epiglottis directly via its cartilage

    The epiglottis does not attach directly to the hyoid via its cartilage; it is connected via the hyoepiglottic ligament and surrounding soft tissue, not a direct cartilaginous articulation.

  7. Which subdivision of the pharynx lies posterior to the nasal cavity and superior to the soft palate?

    Answer: Nasopharynx

    The nasopharynx is the uppermost portion of the pharynx, lying posterior to the nasal cavity and superior to the soft palate.