A Patient with Type 1 Diabetes Reports Taking Propranolol for Hypertension

A patient with type 1 diabetes reports taking propranolol for hypertension. What concern does this information present for the provider?

A) The $\beta$ blocker can cause insulin resistance.
B) Using propranolol with insulin increases the risk of diabetic ketoacidosis (DKA) .
C) Propranolol increases insulin requirements because of receptor blocking.
D) The $\beta$ blocker can mask the symptoms of hypoglycemia.