Which Disorder in This Chapter Has No Known Cause and No

question 31

Multiple Choice

Which disorder in this chapter has no known cause and no current diagnostic tests to confirm the diagnosis?

• A)Myasthenia gravis
• B)Muscular dystrophy
• C)Tenosynovitis
• D)DMD
• E)Fibromyalgia

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Definitions:

Oxygen Saturation Readings

measure the percentage of hemoglobin in the bloodstream that is saturated with oxygen, a critical indicator of respiratory and overall health.

Environmental Conditions

The various physical and biological factors that influence the functioning and survival of organisms, including climate, temperature, and available resources.

Skin Colour

The pigmentation of someone's skin determined by genetic, environmental, and health factors, often a subject of social and cultural significance.