A 55-year-old man comes to his physician complaining of severe morning headaches. The doctor conducts a neurological evaluation to detect any neurological impairments. During the assessment, the patient exhibits normal responses for all tests except for the absence of corneal reflex.
Which cranial nerve is impacted?
Which one of the following structures is not closely related to the piriformis muscle?
A 47-year-old motorcyclist suffers a tibial fracture and experiences numbness in the web space between their first and second toes. Which nerve is most likely affected?
A 50-year-old woman complains of increasing diplopia that worsens as the day progresses. She has been experiencing double vision for a few weeks now, and notes that it is more pronounced in the evenings and absent in the mornings. Upon further inquiry, the patient reports that her diplopia improves after resting her eyes.
What is the most probable diagnosis?
A 65-year-old patient reports to their physician with a complaint of taste loss. After taking a thorough medical history, the doctor notes no recent infections. However, the patient does mention being able to taste normally when only using the tip of their tongue, such as when licking ice cream.
Which cranial nerve is impacted in this situation?
A patient who suffered from head trauma at a young age has difficulty with eating and occasionally chokes on her food. The doctor explains that this may be due to the trauma affecting her reflexes.
Which cranial nerve is responsible for transmitting the afferent signal for this reflex?
Does the external branch of the superior laryngeal nerve innervate the cricothyroid muscle?
A 45-year-old man comes to the emergency department with a complaint of waking up with a severe headache for the past three days. He has been feeling increasingly nauseated and has vomited three times in the last 24 hours. During the examination, it was found that he has reduced power in his left upper limb and bilateral papilloedema. A CT scan of his head revealed a mass on the right side, close to the midline in the posterior frontal lobe. The mass is blocking the drainage of cerebrospinal fluid (CSF) into the third ventricle, causing enlargement of the lateral ventricle on the right side. Can you identify the structure through which CSF from the lateral ventricle drains into the third ventricle?
A 26 year old female presents to the emergency department with hand tingling following a fall. Upon examination, she is diagnosed with a fracture of the medial epicondyle. What nerve lesion is the most probable cause?
A 30-year-old man suffers a severe middle cranial fossa basal skull fracture. After his recovery, it is observed that he has reduced tear secretion. What is the most probable cause of this, resulting from which of the following damages?