Pharmacology Final Review

A nurse is preparing to administer a dose of lactulose to a client who has cirrhosis. The client states, "I don't need this medication. I am not constipated." The nurse should explain that in clients who have cirrhosis, lactulose is used to decrease levels of which of the following components in the bloodstream? a. Glucose b. Ammonia i. Rationale: Lactulose, a disaccharide, is a sugar that works as an osmotic diuretic. It prevents absorption of ammonia in the colon. Accumulation of ammonia in the bloodstream, which occurs in pathologic conditions of the liver, such as cirrhosis, may affect the central nervous system, causing hepatic encephalopathy or coma. c. Potassium d. Bicarbonate 2. A nurse on a medical unit is planning care for an older adult client who takes several medications. Which of the following prescribed medications places the client at risk for orthostatic hypotension? (Select all that apply.) a. Furosemide b. Telmisartan c. Duloxetine d. Clopidogrel e. Atorvastatin 3. Someone has a-fib on coumadin, know what normal PT is 4. Someone is on atorvastatin (statin) what kind of labs do we look at a. Liver function 5. CKD nephrotoxicity