QuestionSBA
QuestionChoice
No, this is not the correct answer.
10007953
d
Intracellular receptor
QuestionChoice
No, this is not the correct answer.
10007951
b
G-protein coupled receptor
QuestionChoice
No, this is not the correct answer.
10007954
e
Cell surface receptor
QuestionChoice
No, this is not the correct answer.
10007952
c
Enzyme-linked receptor
QuestionChoice
Yes, this is the correct answer. Myasthenia gravis is caused by the production of autoantibodies specific to the nicotinic acetylcholine receptor, leading to a reduced influx of sodium ions at the motor end plate. This leads to reduced synaptic transmission at the motor end plate and therefore intermittent muscle weakness. The nicotinic acetylcholine receptor is known as a ligand-gated ion channel.
10007950
a
Ligand-gated ion channels
Concept
Chapter
2693
3968
Myasthenia Gravis
Topic
141
Neurology
14137
A 48-year-old woman visits the GP surgery with difficulty swallowing her food. She has also been experiencing some double vision. On examination, the GP notes left-sided ptosis. A diagnosis of myasthenia gravis is considered.

Which of the following receptor types is affected by myasthenia gravis?
a