This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Low CSF protein may be seen in all of the following conditions, except: \nSelect and explain. \nA. Recurrent Lumbar Puncture, B. Hypothyroidism, C. Pseudotumor cerebri, D. Infants', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hypothyroidism is associated with increased protein concentration sometimes >100. Ref: Infections of the Central Nervous System By W. Michael Scheld, Richard J. Whitley, Christina M. Marra, Page 16; Essential Neuroscience By Allan Siegel, Hreday N. Sapru, Page 41; Critical Care Nursing Practice Guide : A Road Map for Students and New Graduates By Elizabeth Simon, Page 96, 97; Clinical Adult Neurology By Jody Corey-Bloom, Page 420.', 'role': 'assistant'}]