MED SURG CERTIFICATION REVIEW BOOK: 3 PRACTICE TESTS AND CMSRN STUDY GUIDE FOR THE MEDICAL SURGICAL EXAM [5TH EDITION]

___ elevation is a sensitive indicator of very early myocardial injury, but lacks specificity for MI. Its usefulness in diagnosing MI is limited - 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. - homocysteine (Hcy) ____ prevent blood from regurgitating into the ventricles at the end of each ventricular contraction - The pulmonic and aortic valves (also known as semilunar valves) a marker of choice for distinguishing a cardiac or respiratory cause of dyspnea - BNP is a marker of choice for distinguishing a cardiac or respiratory cause of dyspnea. A P wave on an ECG represents an impulse arising at the a. SA node and repolarizing the atria. b. SA node and depolarizing the atria. c. AV node and depolarizing the atria. d. AV node and spreading to the bundle of His. - b. SA node and depolarizing the atria. Rationale: The first wave, P, begins with the firing of the sinoatrial (SA) node and represents depolarization of the fibers of the atria

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  • Pages 8
  • Category Exam Elaboration
  • School / University Harvard University
  • Course Education
  • Course Level Masters level
  • Year 2024
  • Keywords MED SURG CERTIFICATION REVIEW BOOK: 3 PRACTICE TESTS AND CMSRN STUDY GUIDE FOR THE MEDICAL SURGICAL EXAM [5TH EDITION]
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