MCQs Question #1: What is the mode of inheritance of Duchenne’s Muscular Dystrophy? Mitochondrial Autosomal recessive X-linked dominant X-linked recessive Autosomal dominant Question #2: A 20 year old woman presents to A&E with excruciating abdominal pain. She has had several previous similar episodes which were investigated without any diagnosis being reached. She also describes feeling weak in her arms and legs. On examination her abdomen is soft with no guarding. She has 3/5 weakness throughout all arm movements but power in the lower limbs is normal. Reflexes and tone are normal throughout. Sensation is normal. What is the most likely diagnosis? Acute intermittent porphyria Non-specific abdominal pain Acute inflammatory demyelination polyradiculoneuropathy Lead poisoning Poliomyelitis Question #3: What is the mechanism of action of carbidopa? DOPA decarboxylase inhibitor D2-Receptor agonist Tyrosine hydroxylase inhibitor Monoamine oxidase inhibitor COMT inhibitor Question #4: What is the mode of inheritance of Friedrich’s ataxia? Mitochondrial Autosomal dominant X-linked recessive Autosomal recessive X-linked dominant Question #5: A 37 year old woman presents to neurology clinical with blurred vision. On questioning she says that she is having trouble seeing out of either eye and describes a dull retro-orbital ache whenever she moves the eye. On examining her you notice both pupils are dilated and non-reactive to light. On fundoscopy she has bilaterally swollen optic discs with blurred edges. She has no past medical history of note and has never had anything like this happen to her in the past. What is the most likely diagnosis? Neuromyelitis Optica Chronic relapsing inflammatory optic neuropathy Multiple Sclerosis Sarcoidosis Diabetic optic neuropathy Congratulations, you passed! I'm sorry but you did not achieve the required score. Like this:Like Loading...