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
what can cause a bilateral X lesion?
bulbar palsy from MND
pseudobulbar palsy from MS or cerebrovascular disease
Hip flexion
Iliopsoas L1-2
Hip extension
Gluteus maximum L5-S2
Knee flexion
Hamstrings L5-S2
Semitendinous
Semimembranous
Biceps femoris
Knee extension
Quadriceps L2-L4
Doris flexion
Tibialis anterior L4-5
Plantarflexion
Soleus and gastrocnemius S1-2
Knee reflex
L3-4
Ankle reflex
S1-2
Babinski roots
L5-S2
question to assess temp sensation
how temp feels in the shower
sx of encephalopathy?
altered mental state (confusion, orientation, cognition)
causes of encephalopathy
alcohol-Wernicke’s
autoimmune-anti NMDA receptor-grandiose/hallucination