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A 65 y.o. male patient with a history of alcoholic cirrhosis presents to the emergency department with dark black coffee-ground emesis. He is found to have a systolic blood pressure of 76/40 and is tachycardic to 120 BPM. Which nerve is most responsible for carrying the efferent fibers from carotid sinus baroreceptors that cause the reflex increase in heart rate seen in this patient?
A 72 y.o. female presents to clinic with complaints of decreased interest in eating, and has lost weight. She states foods have an unusual taste and are not appealing. On detailed examination, she is found to have normal extraocular movements, normal facial muscle symmetry, and normal facial sensation and swallowing. On further detailed examination, she has a loss of taste sensation in the right anterior two-thirds of her tongue. Of the following, which is the most likely area of injury?
A 67 y.o. female with HTN and atrial fibrillation on coumadin was in the Neuro ICU in a comatose state after a large intracranial hemorrhage. After a couple of days of monitoring, she had a new finding on physical exam that prompted stat imaging, which showed signs of uncal herniation. Surgery was not performed due to goals of care preferences, and she, unfortunately, passed away from her ailment. An autopsy was requested. The image below shows compression on a cranial nerve from the herniation. Through which anatomic structure does this nerve pass to exit the skull?
Identify the structure (blue arrow) shown below:
Which of the following cranial nerve(s) transverses through the structure (blue arrow) shown below?
Which answer correctly identifies all of the cranial nerve(s) which transverse through the structure (blue arrow) shown below?
Which of the following transverses through the structure (blue arrow) shown below?
Which of the following correctly identifies the cranial nerve(s) that transverse through the structure (blue arrow) shown below?
Which of the following symptoms is unlikely to be caused by a lesion in the cavernous sinus?
Which of the following are actions of the superior rectus muscle?
Of the following, which extraocular muscle is not innervated by the oculomotor nerve?
The trochlear nucleus sends nerve fibers to which of the following muscles?
The ophthalmic branch of the trigeminal nerve exits the skull from which cranial foramina?
A 67-year-old male with a past medical history of hypertension and diabetes presents with a 5-day history of facial paralysis and an ear rash. The patient states he returned from a 4-day backpacking trip in the Adirondacks 2 weeks ago in upstate New York where he engaged in hiking and freshwater swimming. His temperature is 36.9 °C (98.5°F), pulse is 72/min, and blood pressure is 131/78. Examination reveals an erythematous vesicular rash in the left auditory canal and pinna and drooping of the left face, forehead, and eyelid. A Weber test lateralizes to the right ear and a Rinne test shows air conduction greater than bone conduction in both ears. What is the most likely diagnosis?
Which of the following muscles is innervated by the vagus nerve (CN X)?
Paralysis of the stapedius muscle can occur with ipsilateral damage to which cranial nerve?
A patient presents with double vision that improves when tilting their head to the right. A lesion is most likely to be present in which of the following cranial nerves?
Oculomotor nerve palsy is most likely to be seen secondary to an aneurysm in which of the following arteries?
Which of the following cranial nerves is most likely to be affected with increased intracranial pressure?
A patient with medically refractory epilepsy secondary to mesial temporal sclerosis recently had a right hemispheric anterior temporal lobectomy. He is complaining of a post-operative visual field deficit. Which of the following is most likely to be appreciated on the exam?