A nurse is reviewing the morning laboratory results of electrolytes for four clients who are receiving digoxin. Which of the following clients should the nurse identify as being at risk for developing digoxin toxicity?

a. "Both illnesses begin in the rectum." This statement is not accurate. Ulcerative colitis typically begins in the rectum and progresses proximally, while Crohn's disease can involve any part of the digestive tract.

b. "Both illnesses are inflammatory in nature." This is the correct statement. Both ulcerative colitis and Crohn's disease are inflammatory bowel diseases characterized by chronic

inflammation of the gastrointestinal tract.

c. "Both illnesses manifest fistula formation." Fistula formation is more commonly associated with Crohn's disease, not ulcerative colitis.

d. "Both illnesses result in malabsorption of nutrients." While malabsorption can occur in both conditions, it is generally more associated with Crohn's disease than ulcerative colitis.

a. Serum potassium: Furosemide is a loop diuretic that can lead to potassium loss, potentially causing hypokalemia. Monitoring potassium levels is crucial to prevent complications such as cardiac arrhythmias.

b. Serum amylase: This is not directly related to furosemide therapy. Amylase is an enzyme associated with pancreatic and salivary function.

c. Serum triglyceride: Furosemide does not typically have a direct impact on serum triglyceride levels.

d. Serum cholesterol: Furosemide does not typically have a direct impact on serum cholesterol levels.