The healthcare provider is monitoring a client in active labor. Which pattern on the fetal heart monitor requires immediate intervention?

Correct Answer: B

Rationale: Late decelerations are concerning as they indicate uteroplacental insufficiency, potentially resulting in fetal hypoxia. Immediate intervention is necessary to address the underlying cause and ensure fetal well-being. Early decelerations are typically benign and associated with head compression during contractions. Accelerations are reassuring and indicate fetal well-being. Moderate variability is a normal finding and indicates a healthy autonomic nervous system response. Therefore, late decelerations (Choice B) require immediate attention, while the other patterns are generally considered normal or benign during labor.

Correct Answer: C

Rationale: In a client with diabetic ketoacidosis (DKA), the most concerning laboratory value is an arterial pH of 7.20. An arterial pH of 7.20 indicates severe acidosis, which is a critical condition requiring immediate intervention. This pH level reflects a significant imbalance in the body's acid-base status, potentially leading to serious complications. High blood glucose levels (choice A) are expected in DKA but do not directly indicate the severity of acidosis. A serum bicarbonate level of 18 mEq/L (choice B) is low but not as immediately critical as a pH of 7.20. Serum potassium of 5.5 mEq/L (choice D) is elevated, which can occur in DKA due to insulin deficiency, but it is not the most concerning value in this scenario.

Correct Answer: A

Rationale: A troponin level of 0.5 ng/mL is elevated, indicating myocardial damage, making it the most concerning finding in a client with a myocardial infarction (MI). Troponin is a highly specific marker for cardiac muscle damage, and elevated levels suggest ongoing injury to the heart muscle. While Creatine kinase-MB (CK-MB) is also a cardiac enzyme, troponin is more specific and sensitive for myocardial damage. Serum potassium and blood glucose levels are important parameters to monitor in MI patients, but in this scenario, the elevated troponin level takes precedence as it directly reflects cardiac injury.

Correct Answer: B

Rationale: In a client with chronic kidney disease, elevated serum potassium levels (hyperkalemia) are the most concerning finding. Hyperkalemia can lead to life-threatening cardiac dysrhythmias. Monitoring and managing serum potassium levels are crucial in patients with kidney disease to prevent severe complications. While elevated creatinine (Choice A) and BUN (Choice C) are indicative of impaired kidney function, hyperkalemia poses a more immediate threat to the client's health. Hemoglobin levels (Choice D) can be affected by chronic kidney disease but are not as acutely dangerous as severe hyperkalemia.

Correct Answer: C

Rationale: Contact precautions are necessary when performing postmortem care on a client with MRSA to prevent the spread of infection. Contact precautions involve using barriers like gloves and gowns to limit direct contact with the deceased individual's body fluids and tissues. Airborne precautions are used for pathogens that are transmitted through the air, like tuberculosis. Droplet precautions are for pathogens that are transmitted through respiratory droplets, such as influenza. Compromised host precautions are not a recognized standard precaution type and are not applicable in this scenario.