A patient is admitted to the hospital with exacerbation of multiple sclerosis (MS). She asks the nurse, "Why did this have to happen to me again? I was doing so well

" Explain why some forms of MS are characterized by periods of remission and exacerbation.
What will be an ideal response


Even though someone is diagnosed with MS, the axons are not damaged. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. This may account for the cycles of relapse and remission in different patients.

Anatomy & Physiology

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Fill in the blank(s) with the appropriate word(s).

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What is the first major event of organogenesis?

A) formation of the endocrine glands B) formation of somites C) neurulation D) formation of the skin

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Elastic connective tissue forms ________.

A. branching networks or parallel strands B. cartilage C. bones D. ligaments and tendons

Anatomy & Physiology

White rami communicantes carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk

Indicate whether this statement is true or false.

Anatomy & Physiology