5 Multiple Choice 1 point Multiple sclerosis is a disease where the immune systemattacks the protective covering of nerves. This is an example of: Adegenerative disorder An autoimmune disorder A congenital condition An infectious disease Multiple Choice 1 point A malfunctioning thyroid gland can lead to an overproduction of thyroid hormones. Which symptoms are most likely associated with this condition? Weight gain, fatigue, and cold intolerance Increased appetite, sweating, and slow heart rate Hair loss, dry skin, and constipation Weight loss,increased heartrate, and heat intolerance

## Step1<br />Multiple sclerosis (MS) is a disease where the immune system attacks the protective covering of nerves. This is an example of an autoimmune disorder. Autoimmune disorders are conditions in which the immune system mistakenly attacks the body's own tissues. In the case of MS, the immune system attacks the myelin sheath, which is the protective covering of nerves. This leads to communication problems between the brain and the rest of the body.<br /><br />## Step2<br />A malfunctioning thyroid gland can lead to an overproduction of thyroid hormones, a condition known as hyperthyroidism. The symptoms of hyperthyroidism include increased appetite, sweating, and a slow heart rate. These symptoms are due to the increased metabolism caused by the overproduction of thyroid hormones.