CSD 331 Final Exam – comprehensive study guide and exam preparation material

CSD 331 Final Exam – comprehensive study guide and exam preparation
material


How many muscles are involved in mastication and deglutition? - ✔✔55



What does the mandible elevators and depressors do for mastication and deglutition -
✔✔chewing



What does the intrinsic muscles do for mastication and deglutition - ✔✔chewing and
preparing the bolus, posterior propulsion



what does the velar elevators and tensors do for mastication and deglutition - ✔✔protect
nasal cavity



what do the pharyngeal constrictors do for mastication and deglutition - ✔✔move bolus down
pharynx



what does the laryngeal elevators do for mastication and deglutition - ✔✔protect airway



deficits in oral prep stage (3 deficits) - ✔✔muscle weakness in tongue and bucall can cause
pocketing of food in buccal cavity



weak muscles of mastication can cause half chewed food



weak velum muscles may leave the velum not fully depressed and back of tongue elevated-
food can easily slip down and get stuck in airway bc glottis & vocal folds aren't closed, which can
cause aspiration or aspiration pneumonia