Q.

Sapna suffers from a condition due to which her average blood sugar level is 174 mg/dL. The average blood sugar level in a healthy adult is <140 mg/dL.

1 insufficient production of thyroxine in her body.  
2 insufficient production of insulin in her body  
3 excess production of thyroxine in her body.  
4 excess production of insulin in her body.  

Ans.

(2)

Lack of insulin production is primarily the cause of type 1 diabetes. It occurs when insulin-producing cells are damaged or destroyed and stop producing insulin. Insulin is needed to move blood sugar into cells throughout the body. Thus the levels of the blood sugar increase drastically.