Cranial nerves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I, III, IV, VI

·     Acuity: Snellen chart

·     Fields: four corners

·     Accommodation: far to near

·     Reflexes: direct + consensual

·     Movements: H shape

 

 

 

 

 

V

·     Motor: masseter during mastication

·     Sensory V123: forehead, cheeks, jaw

·     Reflex: jaw jerk

 

 

 

VII

·     TZBMC: raise eyebrows / scrunch eyes / grin / puff cheeks / tighten neck

 

VIII

·     Weber’s test: midline vibration for lateralisation

·     Rinne’s test: vibration of air vs temporal bone

 

 

IX, X

·     Gag reflex

 

XI

·     Sternocleidomastoid: turn head side to side against resistance

·     Trapezius: raise shoulders against resistance

 

 

XII

·     Poke out tongue: deviation towards ipsilateral lesion

 

 

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