Exam 3 Part 6 Flashcards
What types of cells line the larynx and vocal cords?
Squamous cells
What are some causes of laryngeal cancer?
Environmental (Drinking, smoking)
Old person voice; weak and shaky
Presbyphonia
How does presbyphonia occur?
Vocal folds have collagen and gets weak and doesn’t vibrate as well, respiratory drive support weakens, vocalis muscle loses tone
What voice disorders are related to neurological causes?
Hypoadduction, hyperadduction
Vocal folds become less together
Hypoadduction
What can hypoadduction cause?
Vocal fold paresis and paralysis
Vocal folds come together with lots of tension
Hyperadduction
What are some causes of vocal fold paralysis?
Surgery, viral onset, medical conditions (tumor, acid reflux), idiopathic
No known etiology
Idiopathic
What issue might occur if the vocal folds are paralyzed bilaterally and almost touching together (median and close to midline)?
Breathing difficulty
What issue might occur if the vocal folds are paralyzed and not touching each other (lateral and not close to midline)?
Voicing will be hard
What issue might occur if the vocal folds are paramedian paralyzed (vocal folds vibrate at different rates)?
Diplophonia
Two distinct pitches are present; vocal folds do not vibrate in synchrony
Diplophonia
