Quiz 07/27/2022 (7)

Which of the following is most likely to cause the pathology seen in the image below (white arrow)?

A 33-year-old industrial worker presents to the ED complaining of sudden onset nausea, bilateral headache, dyspnea, confusion, and eye irritation. His skin is flushed on physical exam. He states he forgot to wear protective equipment (mask, gloves) while working. A T2 flair MRI of the brain is shown. Exposure to which of the following substances is likely?

A 37-year-old female with a PMH of Sjogren’s, and a recent motor vehicle accident (MVA) is referred to the EMG Lab for evaluation of right arm pain/weakness. The patient endorses right head pain which radiates down her neck into the right shoulder and wrist. Examination shows 5/5 strength in the upper extremities except for 4+/5 deltoid and 4+/5 biceps strength in the right upper extremity. Sensation to light touch was intact throughout. Sensory nerve conduction studies of the right upper extremity were normal. Based on the patient’s EMG results outlined below what is the most likely diagnosis?

A 24-year-old healthy male with recent right-sided otitis media complicated by mastoiditis presents to the ER with a first-time seizure. On examination the patient is somnolent and febrile, MRI brain shows a right temporal lobe intraparenchymal mass with a solid rim of contrast enhancement and surrounding vasogenic edema, what is the most likely etiology?

Oculomotor nerve palsy is most likely to be seen secondary to an aneurysm in which of the following arteries?