Neurology – I Neurology – I Neurology is the branch of medicine that focuses on the study, diagnosis, and treatment of disorders and diseases affecting the nervous system. 1 / 10 Which of the following is the hallmark pathological feature of Alzheimer’s disease? Neurofibrillary tangles and amyloid plaques Lewy bodies Demyelination TDP-43 protein inclusions 2 / 10 Which neurodegenerative disorder is associated with trinucleotide repeat expansion in the gene encoding ataxin-1? Spinocerebellar ataxia (SCA) Friedreich’s ataxia Huntington’s disease Myotonic dystrophy 3 / 10 Which of the following is the most effective treatment for acute ischemic stroke if administered within the therapeutic window? Aspirin Clopidogrel Intravenous tissue plasminogen activator (tPA) Heparin 4 / 10 In the context of Guillain-Barré Syndrome (GBS), which of the following is the most typical finding in cerebrospinal fluid (CSF) analysis? Elevated white blood cell count Low glucose concentration Elevated protein concentration with normal cell count Presence of oligoclonal bands 5 / 10 Which of the following conditions is characterized by the presence of Lewy bodies in the brain? Alzheimer’s disease Huntington’s disease Parkinson’s disease Amyotrophic lateral sclerosis (ALS) 6 / 10 Which of the following is the most common initial symptom of amyotrophic lateral sclerosis (ALS)? Sensory loss in the extremities Muscle weakness Seizures Vision loss 7 / 10 Which neurotransmitter is primarily deficient in the substantia nigra of patients with Parkinson’s disease? Acetylcholine Dopamine Serotonin Norepinephrine 8 / 10 In the context of multiple sclerosis (MS), which of the following findings is most characteristic on magnetic resonance imaging (MRI)? Diffuse cortical atrophy Ring-enhancing lesions Periventricular white matter lesions Basal ganglia calcifications 9 / 10 Which of the following genetic mutations is most commonly associated with Huntington’s disease? Mutation in the dystrophin gene Expansion of CAG repeats in the HTT gene Deletion of the SMN1 gene Mutation in the alpha-synuclein gene 10 / 10 Which of the following is the most common cause of spontaneous intracerebral hemorrhage in adults? Arteriovenous malformation Cerebral amyloid angiopathy Hypertension Aneurysm rupture Your score isThe average score is 0% 0% Restart quiz
