<prompt> Which of the following pain is not referred to ear?PharynxTeethAngle of TM jointVestibule of nose  <response>: ANSWER: D Vestibule of noseREF: Dhingras 4th ed p.144The ear is supplied by Vth auriculotemporal, IX th tympanic br. and X th auricular br. nerve and C2 lesser occipital, C3 and C4 greater auricularPain may be referred to ear from one of the following:I. Via Vth nerve:Dental: caries , molar impaction and dental abscessOral: benign or malignant ulcerative lesions of oral cavityT-M joint disordersSphenopalatine neuralgiaII. Via IXth nerve:Oropharynx : lesions of tonsils , soft palate and the pillarsBase of tongueElongated styloid processIII X th nerve:Malignant or ulcerative lesions of the larynx. Laryngopharynx , esophagus , epiglottis , valecullaIV. C2, C3 C4:Cervical spine disorders 