A woman has electric pains in her face that start with the jaw and move upwards. Her corneal reflexes are normal. What is the most likely diagnosis?

The key is b. Trigeminal neuralgia. [Electric pains in her face that starts with the jaw and moves

upwards this description indicates neurological pain of trigeminal nerve. Patients with classical

trigeminal neuralgia have a normal neurologic examination. Sensory abnormalities in the trigeminal

area, loss of corneal reflex, or evidence of any weakness in the facial muscles should prompt the

physician to consider symptomatic trigeminal neuralgia or another cause of the patient's symptoms].