Dysrhythmias Pharm Drugs Chapter 30 Exam with Complete Solutions

Dysrhythmias Pharm Drugs Chapter 30 Exam with Complete Solutions A patient with type 1 diabetes on insulin therapy reports that he takes propranolol (Inderal) for hypertension. The nurse will teach the patient to check glucose levels more frequently because of what concern? A. The propranolol can produce insulin resistance. B. The two drugs used together will increase the risk of ketoacidosis. C. Propranolol will increase insulin requirements by antagonizing the effects at the receptors. D. The propranolol may mask symptoms of hypoglycemia. ANSWER D. The propranolol may mask symptoms of hypoglycemia. Rationale: Beta blockers such as propranolol decrease the body's adrenergic "fight-or-flight" responses and may diminish or mask the symptoms and signals of hypoglycemia that a patient with diabetes normally perceives as blood glucose drops. Options 1, 2, and 3 are incorrect. Beta blockers may inhibit glycogenolysis, resulting in hypoglycemia, and have no effect on the development of insulin resistance. When monitoring for therapeutic effect of any antidysrhythmic drug, the nurse would be sure to assess which essential parameter? A. Pulse B. Blood pressure C. Drug level D. Hourly urine output ANSWER A. Pulse