Sarah, a 30-year-old female, visits her doctor complaining of tingling sensation in her thumb, index finger, middle finger, and lateral aspect of ring finger. She is currently in the second trimester of her first pregnancy.
During the examination, Sarah exhibits a positive Tinel’s sign, leading to a diagnosis of carpal tunnel syndrome.
Which nerve branch is responsible for innervating the lateral aspect of the palm of the hand and is usually unaffected in carpal tunnel syndrome?
Which one of the following cranial foramina pairings are incorrect?
The initial root of the brachial plexus typically emerges at what level?
A 48-year-old man is referred to a neurology clinic due to experiencing uncontrolled movements of his limbs. The probable diagnosis is Huntington’s disease, which results in the deterioration of the basal ganglia.
Which neurotransmitters are expected to be primarily impacted, leading to the manifestation of the man’s symptoms?
A 22-year-old man arrives at the emergency department with a stab wound on the left side of his neck above the clavicle. Upon examination, there is no indication of damage to the pleura or any major blood vessels. However, a winged scapula is observed on the left side of his back, with the scapula protruding from the chest wall and the inferior angle pointing towards the midline. What nerve is responsible for this condition?
A 6-year-old boy arrives at the Emergency Department accompanied by his mother, reporting a deteriorating headache, vomiting, and muscle weakness that has been developing over the past few months. Upon examination, you observe ataxia and unilateral muscle weakness. The child is otherwise healthy, with no significant medical history, and is apyrexial. Imaging tests reveal a medulla oblongata brainstem tumor.
From which embryonic component does the affected structure originate?
A 32-year-old man has a sarcoma removed from his right buttock, resulting in sacrifice of the sciatic nerve. What is one outcome that will not occur as a result of this procedure?
A 43-year-old male visits his doctor complaining of headaches, nausea, and vomiting that have been worsening when lying down or leaning forwards for the past 3 months. He has no significant medical history and is not taking any medications. Upon undergoing an MRI, multiple suspicious lesions are found along his spinal cord. A biopsy confirms the presence of ependymal cells that have undergone malignant transformation. What is the typical role of these cells?
A 57-year-old woman with a history of polycystic kidney disease visits her doctor complaining of a drooping eyelid. Upon examination, her left eye displays unilateral ptosis and a downward and outward gaze, with a dilated left pupil. The patient is referred to the neuroradiology department for cerebral angiography, which reveals an aneurysm compressing the oculomotor nerve as it passes through two arteries. What are the names of these two arteries that the oculomotor nerve runs through?
The following statements about the femoral nerve are all true except for one. Which statement is incorrect?