NURS 6501 Week 3 Practice Quiz - 100 by 100 points

ultrasound, there is evidence of a non-compressible segment in the left popliteal vein. Which of the following is the most immediate life-threatening complication to be aware of? Group of answer choices Venous stasis ulcer Superficial thrombophlebitis Chronic venous insufficiency Pulmonary embolism A patient presents with a laceration on his forearm after accidentally cutting himself while cooking. Which of the following factors initiates the activation of the extrinsic pathway of the coagulation cascade? Group of answer choices Factor I Factor IX Factor XII Factor VII While examining a histological slide under the microscope, a student notices a blood vessel. To determine if it's an artery, which of the following histological features should the student look for as being characteristic of arteries? Group of answer choices A larger lumen relative to the vessel wall thickness Absence of internal and external elastic membranes A more rounded shape when sectioned Absence of smooth muscle in the vessel wall A woman presents to the clinic with complaints of bulging, tortuous veins in her lower legs. She is on her feet 8 hours a day due to her job. Which of the following pathophysiological mechanisms is most responsible for the development of this abnormality? Group of answer choices Arterial flow obstruction causing reduced perfusion Vein wall hypertrophy due to increased venous pressure Venous wall stretching leading to valve incompetence Stenosis and narrowing of the venous lumen An elderly adult undergoes an echocardiogram as part of a cardiovascular evaluation. The nurse practitioner is focused on visualizing a valve with 2 leaflets that prevent backflow from the left ventricle to the left atrium. Which valve is being visualized? Group of answer choices Mitral valve Pulmonary valve Aortic valve Tricuspid valve A patient's echocardiography demonstrates a significantly narrowed aortic valve orifice with left ventricular hypertrophy. Which major category of cardiac pathology best explains this condition? Pump failure Shunted flow Regurgitate flow Flow obstruction Which of the following cellular mechanisms is most directly involved in the pathogenesis of myocarditis? Answer choices Infiltration of the myocardium by inflammatory cells Deposition of beta-amyloid protein in the cardiac tissue Endothelial dysfunction leading to plaque rupture Activation of renin-angiotensin-aldosterone system