A nurse is educating a client who has Guillain-Barré syndrome (GBS). The client says to the nurse, "I don't understand why I have this condition." How should the nurse respond?

Choice A reason:

This is an incorrect answer. Nystagmus is a condition that causes involuntary and rhythmic eye movements, which can affect vision and balance. Nystagmus can occur in some clients who have MS due to damage to the brainstem or cerebellum, but it does not cause eye pain or loss of color perception.

Choice B reason:

This is an incorrect answer. Diplopia is a condition that causes double vision, which can affect depth perception and coordination. Diplopia can occur in some clients who have MS due to damage to the cranial nerves or ocular muscles, but it does not cause eye pain or loss of color perception.

Choice C reason:

This is a correct answer. Optic neuritis is a condition that causes inflammation and demyelination of the optic nerve, which can affect visual acuity and color perception. Optic neuritis can occur in some clients who have MS due to damage to the optic nerve or chiasm, and it often causes blurred vision, eye pain, and loss of color perception.

Choice D reason:

This is an incorrect answer. Papilledema is a condition that causes swelling of the optic disc, which can affect peripheral vision and cause headaches. Papilledema can occur in some clients who have increased intracranial pressure (ICP) due to various causes, such as brain tumors, meningitis, or hydrocephalus, but it is not a common finding in MS.

Choice A reason:

This is a correct answer. The nurse should explain to the client that GBS is an autoimmune disorder that causes inflammation and demyelination of the peripheral nerves, which can affect sensation, movement, and autonomic function. GBS occurs when the immune system mistakenly attacks the peripheral nerves, often after an infection or vaccination.

Choice B reason:

This is an incorrect answer. The nurse should not tell the client that they have GBS because their body produces antibodies against their myelin sheath. This is not the mechanism of GBS, but rather multiple sclerosis (MS), which is another autoimmune disorder that causes inflammation and demyelination of the central nervous system (CNS).

Choice C reason:

This is an incorrect answer. The nurse should not tell the client that they have GBS because they have a genetic mutation that affects their nerve function. This is not the cause of GBS, but rather Charcot-Marie-Tooth disease (CMT), which is a hereditary disorder that affects the structure and function of the peripheral nerves.

Choice D reason:

This is an incorrect answer. The nurse should not tell the client that they have GBS because they have been exposed to a virus that infects their nerve cells. This is not the cause of GBS, but rather encephalitis, which is an acute inflammatory condition of the brain that can be caused by various viruses or bacteria.