RCIS EXAM questions and answers well illustrated.

RCIS EXAM questions and answers well illustrated. Creatinine - correct answers.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 - correct answers.7-22 mg/dL Blood, Urea, Nitrates Kidney function 30 = CHF, shock 3 = Liver failure Platelet Count - correct answers.150,00-450,000 /mcL (micro liters) Hep B - correct answers.Most contagious than HC, HA, HIV OSHA - correct answers.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 - correct answers.Indicates coronary ischemia CK-MB - correct answers.3-6 hr peak Creating Kinase-MB Cardiac enzyme marker for MI Myoglobin 1 - correct answers.1-4 hr onset Earliest to show Troponin I - correct answers.3-12 hr onset of chest pain 24-48 hr peaks Baseline returned 5-14 days LDH - correct answers.3 days, slowest Leukocytosis -increased number WBC Ca++ - correct answers.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++ - correct answers.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- - correct answers.Chloride (electrolyte) 95-105 mEq/L Hyperchloremia indicates dehydration, Cushing syndrome, kidney disease, CHF, metabolic alkalosis, respiratory acidosis Metabolic alkalosis - correct answers.Happens when tissues are too basic or alkaline Respiratory acidosis - correct answers.Happens when lungs can't remove enough CO2 carbon dioxide from body AO valve area - correct answers.CO (L/min) / square root (peak - peak gradient mmHg) CO / sq root (LV SYS / AO SYS Peak - Peak gradient = LV sys / AO systole Peak - Peak Gradient - correct answers.LV systole - AO systole AO Flow - correct answers.CO/(SEP x HR) Na+ - correct answers.Sodium 135-145 Helps keep fluids in normal balance, key roll in normal nerves and muscle function Hyponatremia causes confusion, sluggish, could be heart failure, kidney failure, use of diuretics Hypernatremia involves dehydration, thirsty, confused, muscle twitches HGB - correct answers.12-15 g/dL women 14-18 g/dL men Hemoglobin protein in rbc carries oxygen to body Low =anemia High uncommon