A patient presents with intermittent blurred vision, muscle…

A patient presents with intermittent blurred vision, muscle weakness, and numbness. The provider suspects multiple sclerosis due to demyelination of neurons in the CNS. Which of the following is the most appropriate diagnostic test to confirm this condition?

A 24-year-old patient comes to the clinic after accidentally…

A 24-year-old patient comes to the clinic after accidentally cutting their hand while cooking. The nurse observes redness and swelling around the wound and notes that the patient has no prior history of exposure to this type of bacteria. The patient asks why their body is reacting so quickly.  Which explanation by the nurse best describes the type of immune response occurring?