CCRN Barrons Musculoskeletal Exam Questions and Answers 100% Pass

CCRN Barrons Musculoskeletal Exam Questions and Answers 100% Pass Contraindications for mobility progression - Answer- M: myocardial instability - chest pain, ischemia, arrhythmia requiring anti arrhythmic in last 24 h O: oxygenation issues - pulse oximetry < 90%, response rate <10 or >35, extreme fatigue/dyspnea. If mechanically ventilated FiO2 >60% or greater than PEEP of 10 V: Vasopressors- if pt has two or more vasopressors infusing E: Engagement issues- not following commands or responding to verbal stimulation massive destruction of skeletal muscle cells - Answer- rhabdomylosis muscle injury results in the release of ___, ____, and ___ into the extracellular and intravascular spaces - Answer- myoglobin, creatine kinase (CK), and potassium How can rhabdomylosis cause injury to kidneys? - Answer- creatine kinase and myoglobin which are released into the intravascular spaces during muscle injury can obstruct the renal tubules clinical sequelae of rhabdomyolysis - Answer- hypovolemia - d/t third spacing & influx of extracellular fluid into injured muscles hyperkalemia - d/t release of potassium from injured muscles metabolic acidosis - secondary to lactic acid and uric acid release from ischemic muscles acute renal failure - blockage of renal tubules d/t release of myoglobin and CK S/S of Rhabdomyolysis - Answer- Dark, tea-colored urine Low urine output Positive on dipstick for hemoglobin, but no RBC on UA Myoglobin in urine Elevated CK >10,000 U/L Muscle cramping Arrhythmias treatment of rhabdomylosis - Answer- fluids (NS) to maintain UOP of ~300 ml/h sodium bicarbonate infusion to alkalinize the urine administer mannitol monitor for and treat hyperkalemia therapy should continue until the urine is cleared of any myoglobin elevated pressure within the muscle fascia whi