MS-4005
A 50-year-old patient presents for a routine checkup. During a neurological assessment, it is discovered that the patient has sensory loss in their middle finger. Which specific dermatome is responsible for this sensory loss?
Archives: Medical Student Years 1-3
MS-4001
A 12-year-old child has sustained a supracondylar fracture of the right humerus. After undergoing closed reduction, the child reports experiencing tingling sensations in their first and second fingers on the right hand, as well as difficulty moving their thumb. Which nerve is the most probable culprit for this injury?
MS-4003
Are the muscles of the thenar eminence supplied by the median nerve and is atrophy of these muscles a characteristic of carpal tunnel syndrome?
MS-4004
A 45-year-old male patient complains of weakness and numbness in his right hand following a recent forearm injury. During the examination, it is observed that the ring and little fingers on his right hand are extended at the metacarpophalangeal joint and flexed at the interphalangeal joint. The patient also experiences a loss of sensation in the area of the right ring and little fingers, and Froment’s sign is positive. Which nerve is likely to be damaged in this case?
MS-4006
An 85-year-old woman presents to the emergency department with a recent onset of confusion. Her daughter reports that she had a fall at home last month and hit her head but did not seek medical attention as she appeared to be fine. A CT scan of her head reveals a hyper-dense crescent-shaped area in the left hemisphere. What is the likely diagnosis, and between which meningeal layers is the blood collecting?
MS-4002
A 35-year-old woman presents to the Emergency Department with a stab wound to her forearm following a robbery. Upon examination, there is numbness observed in the thenar eminence and weakness in finger and wrist flexion. Which nerve is the most probable to have been damaged?
MS-4007
A 61-year-old male comes to the clinic complaining of a sudden onset headache, describing it as ‘the worst pain in his life’. He has a medical history of hypertension and type 2 diabetes. He has been smoking for 25 years and drinks 18 units of alcohol per week.
After a head CT scan, it is revealed that there is evidence of a bleed. The bleed has occurred below a specific layer of the meninges that is designed to protect the brain and spinal cord from impact.
What is the name of the layer of the meninges that the bleed has occurred below?
MS-3992
A 13-year-old boy comes to the clinic with his mother complaining of ear pain. He experienced the pain last night and was unable to sleep. As a result, he stayed home from school today. He reports that sounds are muffled on the affected side. During the examination, he has a fever. Otoscopy reveals a bulging tympanic membrane with visible fluid level, indicating a middle ear infection. The nerve to tensor tympani arises from which nerve?
MS-3993
A 45-year-old man visits a neurology clinic due to difficulty eating and wasting of the left masseter. He has been experiencing these symptoms for the past 4 months since he fell from scaffolding at work and suffered a basal skull fracture.
During the examination, the left masseter is visibly atrophied compared to the right, and the mandible deviates towards the left side. The patient also reports decreased sensation around the body of the mandible.
Which area of the skull base is likely responsible for the patient’s symptoms?
MS-3990
A patient in her mid-40s complains of numbness on the left side of her face. During cranial nerve examination, it is discovered that the left, lower third of her face has lost sensation, which is the area controlled by the mandibular branch of the trigeminal nerve. Through which structure does this nerve branch pass?