MCQs Question #1: A 56 year old man with known ALS presents to A&E having become increasingly short of breath over the last few weeks. His breathing is now so bad that he cannot get dressed without getting of breath. What acid-base abnormality on arterial blood gas best fits this presentation? No acid-base abnormality Metabolic alkalosis Respiratory alkalosis Respiratory acidosis Metabolic acidosis Question #2: A 30 year old man presents with a 1 week history of weakness, which started in his feet and has now progressed to include both of his legs. On exam he has a flaccid paraparesis, absent knee and ankle jerks and equivocal plantars. Which of the following are the most likely constellation of CSF findings? Raised WCC, 80% lymphocytes, raised protein. Oligoclonal bands. Raised WCC, 80% neutrophils, raised protein. Normal WCC, raised protein. Raised WCC, normal protein. Question #3: Which of the following antibodies is most often present in Myasthenia Gravis? Anti-LRP4 Anti-MUSK Anti-synaptophysin Anti-nAChR Anti-mAChR Question #4: What is the mechanism of pyridostigmine? Acetylcholinesterase inhibitor Partial nAChR agonist Succinylcholinesterase inhibitor nAChR antagonist Full nAChR agonist Question #5: Which of the following infectious agents is most commonly identified as a trigger of Guillan-Barre Syndrome? Shigella flexneri E. Coli O157:H7 Salmonella typhi Group A Streptococci Campylobacter jejuni Congratulations, you passed! I'm sorry but you did not achieve the required score. Like this:Like Loading...