A myocardial infarction is death of myocardial cells. The most common cause is atherosclerotic plaques that disrupt blood flow to the myocardium resulting in cellular injury. What best describes the disruption of cell function?

After exposure to poison ivy, a child has hives on his trunk and extremities. In an effort to decrease his immune response the practitioner places him on which medication?

A patient is suffering from anxiety. She states “my heart races, I feel super sweaty and can’t catch my breath”. It is getting severe and interfering with her daily activities of living. Her PCP has prescribed counseling and a beta-1 adrenergic blocker. How would the beta-1 adrenergic blocker help her anxiety?

As a nurse prepares to change a patient’s wound dressing, the patient states that they are afraid that it will be painful. Noting that the patient’s heart rate and respiratory rate have increased, the nurse adjusts the plan of care to reflect care for a patient in which phase of the “general adaptation syndrome”?

An 84-year-old patient’s blood culture has come back positive for bacteria, despite the fact that his oral temperature remained within normal range. Which of the following statements is a reason for fever response alterations that occur in the elderly?

A patient presented to the emergency department of the hospital with a swollen, reddened, painful leg wound and has been diagnosed with methicillin-resistant Staphylococcus aureus (MRSA) cellulitis (subcutaneous infection). The patient’s health care provider has ordered a complete blood count and white cell differential. Which blood component is likely to be elevated?

You are working with a patient with severe osteoarthritis. You note that their skin has several bruises in various stages of healing. Further examination of their records indicates they take aspirin for their arthritis. Which statement below describes the association of aspirin and the patient’s bruising?

A diabetic patient has severe peripheral vascular disease. This vascular disease will decrease blood flow. He has developed signs of dry gangrene on the great toe of one foot. He asks, “How does happen?” Which pathophysiologic process should you explain?

The nurse in an infectious-disease clinic will primarily treat injuries to tissues and cells caused by  

A patient has an ischemic stroke. He is receiving a thrombolytic (clot buster), oxygen and a calcium channel blocker. His wife understands the medications with the exception of the calcium channel blocker. How could this medication help the patient?