Samantha is a 65-year-old alcoholic who has come to her doctor with worries about the feeling in her legs. She is experiencing decreased light-touch sensation and proprioception in both legs. Her blood work reveals a deficiency in vitamin B12.
What signs are most probable for you to observe in Samantha?
A 25-year-old male patient complains of headache, confusion, and lethargy. During the examination, he has a fever and exhibits weakness on the right side. A CT scan reveals a ring-enhancing lesion that affects the motor cortex on the left side. What is the most probable diagnosis?
A 30-year-old male visits the ophthalmology outpatient department with symptoms of redness, photophobia, and lacrimation. His pupils constrict in response to light.
What is the neurotransmitter responsible for this pupillary response?
A 25-year-old female comes to the GP complaining of sudden eye pain and vision changes. During the examination, the GP observes a significant relative afferent pupillary defect (RAPD) in her right eye. What will occur when the GP shines a penlight into her right eye?
A senior citizen arrives at the emergency department complaining of abdominal pain, constipation, and confusion. The blood tests reveal hypercalcemia, and the junior doctor suggests that a potential cause of this is an elevated level of parathyroid hormone (PTH) in the bloodstream. Can you provide the most accurate explanation of the functions of PTH?
A 40-year-old male visits his doctor with concerns about his family history. His father and paternal grandmother both developed Alzheimer’s disease at the age of 68 and 75 respectively. Which allele is associated with an elevated risk, but not a guaranteed factor, for the onset of the disease?
Sophie is a 25-year-old female who has been experiencing trouble fitting into her shoes and wearing her rings. She has a deep voice, stands at a height of 195cm, and her GP observes coarse facial features. Sophie mentions that she suspects her anterior pituitary gland may be producing an excess of hormones. Which hormone is likely being overproduced in Sophie’s case?
At which stage does the aorta divide into the left and right common iliac arteries?
At which of the following anatomical locations does the common peroneal nerve bifurcate into the superficial and deep peroneal nerves?
A 32-year-old woman complains of faecal incontinence. She had a normal vaginal delivery 8 years ago. Which nerve injury is the most probable cause of her symptoms?