ROSH REVIEW-Neurology Exam Questions and Answers | 100% Pass
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Course
ROSH
Institution
ROSH
ROSH REVIEW-Neurology Exam
Questions and Answers | 100% Pass
Which of the following is correct regarding multiple sclerosis?
ABecomes more prevalent the farther you live from the equator
BMore common in men
CRetinal tear is a common presenting symptom
DWorsens during the course of pregnancy -...
Myasthenia gravis (MG) is an autoimmune disease characterized by muscle weakness
and fatigue seen particularly with repetitive use of voluntary muscles. It is caused by
antibodies that attack and reduce the number of nicotinic acetylcholine receptors
leading to a decrease in response to acetylcholine. Cooling improves the symptoms of
myasthenia gravis. This is the basis of the "ice test." When ptosis is present, an ice
pack is placed over the affected eye for two minutes, and the ptosis resolves. It is
thought that local cooling results in a slowing of the kinetics of the acetylcholine
receptor, allowing for a prolonged effect of acetylcholine and improvement of symptoms.
The most frequent initial symptoms of myasthenia gravis are bulbar, typically with ptosis
and diplopia (A) due to ocular muscular weakness, or weakness of the levator
palpebrae superioris. Muscle weakness tends to improve (B) after long periods of rest.
Patients become weaker with repetitive activity. Optic neuritis (C) is associated with
multiple sclerosis, not myasthenia gravis.
One Step Further
Question: Myasthenia gravis is often misdiagnosed in the elderly population as what
condition? - Answer✔️✔️-Answer: Ischemic stroke, especially when there is new-onset
facial weakness.
A 56-year-old woman presents with burning pain and tingling on the palmar surfaces of
digits 1-3 of her right hand. The pain has been present for several months and awakens
her at night. There is no atrophy or weakness of her hand. However, volar wrist
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