Quiz 05/31/2022 (1)

Which of the following findings is depicted in the MR Angiogram shown below?

Alemtuzumab is a monoclonal antibody therapy that targets which of the following proteins?

A 32-year-old man with a past medical history significant for major depressive disorder is brought to the emergency department after he was found by his roommate attempting suicide by hanging. His roommate states that he has been noncompliant with his medications and had been going through a depressive episode before his suicide attempt. After 6 weeks of trying several different antidepressants while on the inpatient psychiatric service, his major depression symptoms have not improved. Which of the following is the most appropriate next step in treatment?

An 83-year-old man presented with an acute onset of difficulty walking and nausea about 12 hours prior to being seen in the emergency room. Examination revealed vertigo and truncal ataxia. An MRI was performed to evaluate for stroke. The FLAIR axial MR image is shown below. What is the vascular territory damaged in the imaging provided?

A 31-year-old male comes to the clinic for evaluation of recurrent nightmares after returning from a tour of duty with the military two months ago. He is unable to concentrate on his new desk job and flinches every time he hears a door close. While once an avid bowler, he no longer goes to the bowling alley because the sounds of the pins falling remind him of bomb explosions. Which of the following is the most likely diagnosis?

A lesion to which of the following hypothalamic nuclei can lead to hyperthermia?

Which of the following identifies the straight sinus?

A 65-year-old man presents to the emergency room with progressive weakness over the course of several months. Examination shows pure motor weakness with no sensory involvement, decreased reflexes, and diffuse fasciculations. An EMG shows a conduction block of motor neurons outside of compression sites and normal sensory conduction velocities. Which of the following of most appropriate for treatment?

Which synapsed of the peripheral nervous system is acetylcholine the primary neurotransmitter?

An 80-year-old woman with a history of well-controlled Parkinson’s disease presents with worsening movements at night. Her husband states that she often punches and yells during her sleep. Some of these movements have been so dramatic that she punched a hole in the wall beside her bed. Melatonin was tried but did not lead to a significant improvement in symptoms. Which of the following is the most appropriate next step in treatment?

The pathophysiology of the lesion shown in the gross pathologic image below is most likely which of the following?

Which of the following botulinum serotypes cleaves synaptosomal-associated protein (SNAP)-25.

A 53-year-old man has had increasing difficulty falling and staying asleep over the past 3 months. This is accompanied by hallucinations, delirium, and general clumsiness. He was an orphan as a child and does not know his family’s medical history. If a sleep study is performed, during which stage of sleep would you most likely expect to find an absence of normal sleep architecture?