Exam 2)NR 324 Exam 2: NR 324 Exam 2 (Med Surg): Questions & Answers: Updated Guide Solution

An increased level of C-reactive protein (CRP) is an independent risk factor for (Ans- CAD ____ elevation is a sensitive indicator of very early myocardial injury, but lacks specificity for MI. Its usefulness in diagnosing MI is limited (Ans- myoglobin - a low molecular weight heme protein found in cardiac and skeletal muscle ____ is an amino acid produced during protein catabolism. Elevated levels can be either hereditary or acquired from dietary deficiencies of vitamin B6, vitamin B12, or folate. Elevated levels have been linked to a higher risk of CAD, peripheral vascular disease, and stroke. (Ans- homocysteine (Hcy) a marker of choice for distinguishing a cardiac or respiratory cause of dyspnea (Ans- BNP is a marker of choice for distinguishing a cardiac or respiratory cause of dyspnea.Echocardiogram (Ans- transducer that emits and receives ultrasound waves is placed in four positions on the chest above the heart. transducer records sound waves that are bounced off the heart Cardiac cath (Ans- involves insertion of catheter into heart to obtain information about O2 levels and pressure readings within heart chambers A patient with a tricuspid valve disorder will have impaired blood flow between the a. vena cava and right atrium b. left atrium and left ventricle c. right atrium and right ventricle d. right ventricle and pulmonary artery (Ans- c. right atrium and right ventricle rationale: the tricuspid valve is located between the right atrium and the right ventricle