neurology Flashcards
what does 0/5 mean?
no muscle contraction
1/5?
flicker of muscle contraction but no movement
2/5?
muscle contraction with movement only when gravity is eliminated
3/5?
movement against gravity but not against applied resistance
4/5?
movement against gravity with reduced power against resistance
5/5?
movement against gravity and full power against resistance
what does the glossopharangeal nerve do?
carries sensation from the pharynx and tonsils
taste sensation from posterior 1/3 of tongue
what does the vagus nerve do?
carries parasympathetic fibres to the foregut, midgut, heart, lungs
sensation around the pharynx
motor innervation of the laryngeal and upper pharyngeal muscles
which pharangeal muscles does the vagus supply?
levator veli palatini cricothyroid salingopharyngeus palatoglossus palatorpharyngeaus all pharangeal constrictors
what are the functions of IX and X
swallowing
phonation
sensation
what does the glossopharangeal nerve supply?
stylopharangeaus mucosa of pharynx tonsils posterior 1/3 of tongue parasympathetic of parotid
what does deviation of the uvula suggest?
palsy of the vagus nerve, away from the side of the lesion
what do dysphonia and a bovine cough suggest?
damage to the recurrent laryngeal nerves
how can the recurrent laryngeal nerves be damaged
mediastinal lymphoma
lung cancer
thyroid surgery
aortic arch aneurysm
what does dysphagia and dysarthria suggest, what might they be accompanied by?
bilateral X lesion
nasal regurgitation of fluids
escape of air nasally when cheeks are puffed out
