QMA Insulin Understanding Diabetes and Insulin 2

Question 1

Which organ is responsible for producing insulin in the human body?

Accepted Answer

Pancreas

Answer

The pancreas contains beta cells in the islets of Langerhans that produce and secrete insulin.

Question 2

Type 1 diabetes is characterized by which of the following?

Accepted Answer

Autoimmune destruction of beta cells

Answer

In Type 1 diabetes, the immune system attacks and destroys the insulin-producing beta cells in the pancreas.

Question 3

What is the primary role of insulin in glucose metabolism?

Accepted Answer

Facilitates glucose uptake into cells

Answer

Insulin acts as a key that unlocks cells to allow glucose to enter and be used for energy.

Question 4

A resident with Type 2 diabetes has lost significant weight and now requires insulin. What most likely explains this change?

Accepted Answer

Their beta cells have become exhausted over time

Answer

In Type 2 diabetes, beta cell function can decline progressively, eventually requiring insulin therapy.

Question 5

Glucagon, produced by alpha cells of the pancreas, has which effect on blood glucose?

Accepted Answer

Raises blood glucose by stimulating glycogen breakdown

Answer

Glucagon signals the liver to break down glycogen and release glucose into the blood, raising blood sugar levels.

(QMA Insulin) Qualified Medication Aides Insulin Practice Test