CCRN-Adult Exam Dumps : CCRN (Adult) - Direct Care Eligibility Pathway

Shock is the most common prerenal cause of acute tubular necrosis (ATN). In the context of prerenal conditions, shock leads to decreased renal perfusion and subsequent ischemia, which can cause damage to the renal tubules. Other options such as blood transfusion reaction, crush injury, and beta-hemolytic streptococcal infection can lead to renal damage but are not the most common prerenal causes of ATN. References: CCRN Exam Handbook, AACN, page 28, section on Renal/GU.

The patient who has been in the unit for 60 hours and reports agitation, noise disturbances, and an inability to get peace and quiet may be experiencing sleep disturbances. Factors such as the ICU environment, frequent interventions, and the medications being administered (e.g., benzodiazepines, opioids, and bronchodilators) can significantly disrupt sleep patterns, leading to further agitation and delirium. Addressing the patient's sleep hygiene and implementing measures to promote rest can be beneficial.References: = CCRN Exam Handbook, page 52

For a patient with a Stage III pressure ulcer, a serum albumin level of 2.1 mg/dL is most concerning because it indicates severe hypoalbuminemia, which is associated with poor nutritional status and delayed wound healing. Adequate nutrition, particularly protein intake, is crucial for wound healing. The other lab results, while not ideal, are less immediately critical in the context of pressure ulcer healing. References: = CCRN Exam Handbook, AACN Adult CCRN Certification Review Course