Hãy nhớ rằng tầm nhìn suy giảm có thể là do một zoster trước đây liên quan ophthalmitis bao gồm: viêm màng bồ đào trước, chorioditis, viêm dây thần kinh thị giác. B đúng, mất cảm giác giác mạc. c-sự thật, với hypo-sắc tố. d-đúng, và chỉ phát hiện được bằng cách kiểm tra carful. | a-false the 1st division of the trigeminal nerve when involved may cause a lost corneal reflex neuropathic corneal ulcerations and visual loss. Remember that impaired vision may be due to a previously associated zoster ophthalmitis including anterior uveitis chorioditis optic neuritis. b-true loss of corneal sensation. c-true with hypo-pigmentation . d-true and detected only by carful testing. e-true due to many reasons mentioned above. Q24 Answer d a-true Aciclovir has been shown to reduce the intensity and duration of the zoster rash and associated acute pain but NO effect at reducing the incidence of post herpetic neuralgia. Prednisolone has been shown to reduce the intensity and incidence of the acute pain but NO effect on post herpetic neuralgia. b-true but usually large dosed are needed up to 250 mg day . Carbamazepin phenytoin and gabapentin are less effective. c-true or a xylocain-prilocain cream. d-FALSE may be very effective by depleting the pain-mediating peptides from the peripheral nerve endings and sensory neurons but unfortunately it is rarely tolerated. e-true at weekly intervals. Q25 Answer d a-true for which no cause can be found. b-true and it is not paroxysmal. c-true and from intracranial extension of squamous cell carcinoma or an infection at the site of a tooth extraction. d-false treated by amitryptiline with or without phenelzine. e-true when tricyclics are not effective. Q26 Answer d a-true at least in onset. It may be bilateral or alternating. Cluster headache is always 100 unilateral. b-true but not in all cases. c-true and photo and phnophobias and lassitude. d-false visual or other neurological abnormalities accompanying headache are seen in up to 10 . e-true 75 of patients are women. A family history of migraine is seen in 50 of cases unlike cluster headache where a family history of a similar problem is not seen . Q27 Answer e a-true although a consistent mendelian pattern of inheritance has not been found among the collective group
