RCIS EXAM QUESTIONS AND ANSWERS ALREADY PASSED

RCIS EXAM QUESTIONS AND ANSWERS ALREADY PASSED Creatinine >1.5 mg/dL Kidney function A chemical waste molecule from muscle metabolism. Produced from creatine the energy in muscles and filtered by kidneys. High levels warn kidney failure BUN 7-22 mg/dL Blood, Urea, Nitrates Kidney function >30 = CHF, shock < 3 = Liver failure Platelet Count 150,00-450,000 /mcL (micro liters) Hep B Most contagious than HC, HA, HIV OSHA Occupational Safety and Health Admin - government department of labor created to assure safe and healthful working conditions for healthcare workers, such as regulations on blood borne pathogens Lactic acid in large amts found in coronary sinus Indicates coronary ischemia CK-MB 3-6 hr peak Creating Kinase-MB Cardiac enzyme marker for MI Myoglobin 1 1-4 hr onset Earliest to show Troponin I 3-12 hr onset of chest pain 24-48 hr peaks Baseline returned 5-14 days LDH 3 days, slowest Leukocytosis -increased number WBC Ca++ Calcium (electrolytes) .8-1.0 mg/L Hypercalcemia causes Abnormal T wave, extremely wide QRS Hypocalcemia causes narrow QRS, no T wave, prominent U Mg++ Magnesium (electrolytes) 1.5-2.5'mEq/L Heart and nervous system Hypermag causes weakness, low BP, dyspnea, cardiac arrest Hypomag causes loss of appetite, nausea, vomiting, sleepiness, muscle spasms, seizures. Cl- Chloride (electrolyte) 95-105 mEq/L Hyperchloremia indicates dehydration, Cushing syndrome, kidney disease, CHF, metabolic alkalosis, respiratory acidosis Metabolic alkalosis Happens when tissues are too basic or