A client with pulmonary edema has been on diuretic therapy. The client has an order for additional furosemide (Lasix) in the amount of 40 mg IV push. Knowing that the client also will be started on digoxin (Lanoxin), a nurse checks the client’s most recent: A. Digoxin level B. Sodium level C.… Read More »
Which of the following arteries primarily feeds the anterior wall of the heart? A. Circumflex artery B. Internal mammary artery C. Left anterior descending artery D. Right coronary artery Correct Answer: C. Left anterior descending artery The left anterior descending artery is the primary source of blood… Read More »
The most important factor in regulating the caliber of blood vessels, which determines resistance to flow, is: A. Hormonal secretion B. Independent arterial wall activity. C. The influence of circulating chemicals D. The sympathetic nervous system Correct Answer: D. The sympathetic nervous system The autonomic nervous system exerts influence… Read More »
With peripheral arterial insufficiency, leg pain during rest can be reduced by: A. Elevating the limb above heart level. B. Lowering the limb so it is dependent. C. Massaging the limb after application of cold compresses. D. Placing the limb in a plane horizontal to the body. … Read More »
Buerger’s disease is characterized by all of the following except: A. Arterial thrombosis formation and occlusion. B. Lipid deposits in the arteries. C. Redness or cyanosis in the limb when it is dependent. D. Venous inflammation and occlusion. Correct Answer: B. Lipid deposits in the arteries Buerger disease,… Read More »
A significant cause of venous thrombosis is: A. Altered blood coagulation B. Stasis of blood C. Vessel wall injury D. All of the above Correct Answer: D. All of the above A deep-vein thrombosis (DVT) is a blood clot that forms within the deep veins, usually of… Read More »
When caring for a patient who has started anticoagulant therapy with warfarin (Coumadin), the nurse knows not to expect therapeutic benefits for: A. At least 12 hours B. The first 24 hours C. 2-3 days D. 1 week Correct Answer: C. 2-3 days The onset of action… Read More »
Mike, a 43-year old construction worker, has a history of hypertension. He smokes two packs of cigarettes a day, is nervous about the possibility of being unemployed, and has difficulty coping with stress. His current concern is calf pain during minimal exercise that decreased with rest. The nurse assesses Mike’s symptoms as being associated with… Read More »
A 24-year old man seeks medical attention for complaints of claudication in the arch of the foot. A nurse also notes superficial thrombophlebitis of the lower leg. The nurse would next assess the client for: A. Familial tendency toward peripheral vascular disease. B. Smoking history. C. Recent exposures to allergens. D.… Read More »
Intravenous heparin therapy is ordered for a client. While implementing this order, a nurse ensures that which of the following medications is available in the nursing unit? A. Vitamin K B. Aminocaproic acid C. Potassium chloride D. Protamine sulfate Correct Answer: D. Protamine sulfate The antidote to… Read More »