Which factor(s) is/are most likely a potential cause(s) of multiple sclerosis (MS)?
Hypersensitivity reaction attacking the myelin
Environmental factors and genetic predisposition
Allergies response to antiviral medications
bacterial infection of the myelin
The Correct Answer is B
A. MS is believed to be an autoimmune disorder where the immune system attacks the myelin sheath, but it is not simply a hypersensitivity reaction.
B. Current evidence suggests that a combination of environmental factors (such as viral infections, vitamin D deficiency) and genetic predisposition contribute to the development of MS.
C. Allergic responses to antiviral medications are not linked to causing MS.
D. MS is not caused by a bacterial infection of the myelin; it is an autoimmune demyelinating disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Checking pulses is a key part of a neurovascular assessment to evaluate circulation.
B. Pupils are part of a neurological assessment related to brain function, not peripheral neurovascular status of a limb, so this indicates the student needs further teaching.
C. Assessing movement is essential to check motor function and nerve integrity in the affected limb.
D. Capillary refill assesses peripheral circulation and is important in neurovascular checks.
Correct Answer is C
Explanation
A. Febrile seizures are associated with rapid increases in body temperature, not just a temperature exceeding a certain point.
B. Anticonvulsant medications are generally not used to prevent simple febrile seizures.
C. A rapid rise in temperature, rather than the absolute temperature, is the key trigger for febrile seizures in children.
D. Febrile seizures usually do not lead to epilepsy; most children outgrow them without long-term effects.
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