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Which of the following is a common side effect of levodopa therapy?
Which of the following medications used in the management of multiple sclerosis is the most teratogenic?
A 20-month-old female presents for regression of milestones. She was walking, and now crawls or refuses to move. The parents are concerned she may be having seizures because they notice she has intermittent jerks of the limbs and trunk, especially when she is startled. on physical exam, you note conjugate random darting of the eyes in vertical and horizontal directions. Tone, strength, and deep tendon reflexes are normal.
What test is most likely to identify the underlying etiology of this problem?
Where is the anatomic origin of the normal EEG sleep structure seen in the 3rd second of this recording?
Which of the following can be appreciated on histopathologic analysis of ischemic tissue five hours after an ischemic injury to the cortex?
A 48-year-old man with a 20-year history of HIV stable on HAART therapy presents to your clinic accompanied by his partner who states that the patient has had mounting difficulties over the last 3 years. Most recently he has been unable to effectively manage finances, cook for himself, or arrange appointments. What is the best diagnosis at this time?
Which of the following is the mechanism of action of clonidine?
A 74-year-old male with a past medical history of hypertension and hyperlipidemia is brought to the physician by his daughter who states that he has been exhibiting abnormal shaking of his hands and difficulty walking for the past year. On exam, the patient exhibits a shuffling gait, a tremor of his left hand at rest, and difficulty initiating movements. Which of the following is the most appropriate first-line therapy?
Submaximal muscle stimulation is used during which of the following aspects of the nerve conduction study?
A four-day-old, full-term male with an uncomplicated vaginal delivery is brought urgently by his mother to the clinic after an episode concerning for possible seizure. His mother states that this morning when she accidentally dropped a pile of dishes on the floor, the child “tensed up”. She states that both his upper and lower limbs became rigid and he had violent jerking movements of all limbs for approximately 40 seconds. This patient’s condition is most likely due to a mutation in which of the following genes?
A 30-year-old woman presents to the clinic with severe headaches requesting treatment because she “can’t live with this pain”. Episodes are left-sided, occur multiple times a day, and last about 20 minutes each. During episodes, she will also have eye tearing and rhinorrhea. What is the correct diagnosis?
Which of the following is the most classic finding of early inclusion body myositis?
Primary generalized dystonia is a genetic disorder that can be seen secondary to a mutation of which of the following genes?
A 49-year-old female has had a 6-month history of difficulty swallowing and weight loss. On examination, she has generalized muscle loss. On strength examination, she has 3/5 proximally and 4/5 distally in the bilateral upper extremities. There are normal tongue movements and a normal jaw jerk reflex. Deep tendon reflexes in the bilateral upper extremities are normal and sensation is intact. An EMG is performed and outlined below. What is the most likely diagnosis?
Which of the following findings is depicted in the catheter angiogram shown?