tailieunhanh - Neurology 4 mrcp answers book - part 6

Tiểu chương A: Câu 1: Trả lời: 5 từ EEG không có nghĩa là động kinh, và EEG không được sử dụng để chẩn đoán bệnh động kinh, mặc dù nó là điều tra nhạy cảm nhất trong động kinh. | Chapter XI Neurology Answers __5 Subchapters Subchapter A Q1 Answer 5 The word EEG does not mean epilepsy and EEG is not used to diagnose epilepsy although it is the most sensitive investigation in epilepsy. Epilepsy is a clinical diagnosis that can be solidified by EEG. Metabolic myopathies usually have normal EMG . in hypokalemic weakness and here there are no characteristic changes on EMG testing. Q2 Answer 4 1- false many bone artifacts would interfere with the picture. 2- false both are excellently seen. 3- false MRI gives better details. 4- true but should avoided in claustrophobic people. 5- fasle unfortunately it is highly operator dependent. Q3 Answer 2 1- true may be raised in many CNS diseases however in many other diseases it might be normal even in the presence of profound CNS insult like NPH MS. .etc. 2- false usually 60-70 of the blood levels levels below 50 are always abnormal 3- true above 50 mg dl is abnormal. 4- true up to five cells is normal all should be mononuclear. 5- true oligoclonal bands indicate intrathecal synthesis of IgG and is seen in many CNS diseases not only MS . Q4 Answer 4 1- hence anticholenergics are given in upper motor neuron lesion to dampen the bladder. 2- and alpha blockers cause retrograde ejaculation. 3- true. 4- the reverse is true in acute lesions retention is seen early to be followed gradually by urgency and frequency of micturition. 5- true usually sequamous in type. Q5 Answer 2 Unlike the common belief visual fields are actually detected much BETTER by a neurologist rather than by an ophthalmologist who orders formal perimetry and doesn t know how to detect them by his own . Any how visual field defects are common in clinical neurology 1- true and with later constriction of the peripheral field. Remember any papilloedema with severe visual impairment then it is NOT papilleodema it is Bilateral papillitis 2- true tubal vision and tunnel visions are .