The therapeutic drug level for digoxin is: A. 0.1-2.0 ng/mg B. 1.0-2.0 ng/mg C. 0.1-0.5 ng/mg D. 0.5-2.0 ng/mg Correct Answer: D. 0.5-2.0 ng/mg This is the correct therapeutic range for digoxin. Every nurse should know this information. The rate of toxicity increases as serum digoxin concentration… Read More »
Which of the following clients is most likely to experience adverse effects from treatment with diuretics? A. A 21-year-old student B. A 40-year-old unmarried man C. A 60-year-old widower D. A 75-year-old man Correct Answer: D. A 75-year-old man Elderly clients are more sensitive to the effects of diuretics.… Read More »
Kylie is reviewing drugs related to cardiovascular therapies. She should be aware that the desired action of lipid-lowering agents is to: A. Decrease high-density lipoprotein (HDL). B. Increase total cholesterol (TC). C. Increase low-density lipoprotein (LDL). D. Increase high-density lipoprotein (HDL). Correct Answer: D. Increase high-density lipoprotein… Read More »
For lipid-lowering agents to be successful, drug therapy must lower: A. HDL B. LDL C. Total fat D. All of the above Correct Answer: B. LDL An elevated LDL is the most significant risk factor for the development of atherosclerosis; therefore, for drug therapy to be effective,… Read More »
As a competent nurse, you know that the most significant contraindication for therapy with lipid-lowering agent is: A. Renal disease. B. Diabetes. C. Liver disease. D. Cardiac disease. Correct Answer: C. Liver disease. All lipid-lowering agents except the bile acid sequestrants are potentially hepatotoxic, so the most… Read More »
Which of the following vitamins may not be absorbed properly when giving bile acid sequestrants? A. Vitamin B B. Vitamin C C. Vitamin B12 D. Vitamin K Correct Answer: D. Vitamin K Vitamin K absorption may be reduced when giving these drugs. The only fat-soluble vitamin here… Read More »
Which of the following lipid-lowering agents has the common side effect of constipation? A. lovastatin (Mevacor) B. colestipol (Colestid) C. gemfibrozil (Lopid) D. niacin (Nicotinic acid) Correct Answer: A. lovastatin (Mevacor) Mevacor is known to cause constipation. Although they offer substantial benefits in decreasing heart attacks and… Read More »
Parenteral anticoagulants work by disrupting: A. Formation of thromboplastin. B. Conversion of prothrombin to thrombin. C. Vitamin K-dependent clotting factors. D. Conversion of prothrombin to fibrin. Correct Answer: B. Conversion of prothrombin to thrombin Parenteral anticoagulants such as heparin work by disrupting the conversion of prothrombin to… Read More »
SC heparin should be administered in the: A. Flank B. Abdominal fat C. Leg D. Gluteal area Correct Answer: B. Abdominal fat Heparin should be given in the abdominal area around the umbilicus, deep into the fat. The preferred site of injection is the abdominal area. Injections… Read More »
The half-life of heparin is: A. 10 minutes B. 1 to 1.5 hours C. 8 to 12 hours D. 1 to 2 days Correct Answer: B. 1 to 1.5 hours The half-life of heparin is 60 to 90 minutes. This is important to know when bleeding occurs… Read More »