A nurse assesses a client with severe vomiting and diarrhea for three days. Laboratory results show sodium 128 mEq/L (normal 136-145), decreased extracellular fluid volume, and increased urine osmolality despite low serum osmolality. Which compensatory process best explains the body’s attempt to regulate electrolyte and fluid balance in this client?

A 78-year-old client with Parkinson’s disease is admitted to the hospital for pneumonia treatment. Which factor most significantly increases this client’s risk for aspiration?

A trauma client who sustained significant blood loss from a motor vehicle accident arrives in the emergency department hypotensive with decreased urine output. The nurse anticipates aggressive fluid resuscitation. Which physiological process will primarily regulate restoration of the client’s extracellular fluid volume following hemorrhage?

A client with traumatic brain injury affecting the hypothalamus demonstrates irregular sleep-wake patterns, sleeping briefly at random times throughout the day and night with no clear circadian rhythm. Which aspects of sleep regulation disruption explain these findings? Select all that apply.

An older adult client recently widowed after 45 years of marriage reports severe insomnia, early morning awakening, and feeling unrested despite spending 10-12 hours in bed. The client’s adult children ask the nurse what factors might be contributing to their parent’s sleep problems. Which explanations are appropriate? Select all that apply.

A nurse assesses a client with diabetic ketoacidosis who has rapid, deep respirations (Kussmaul breathing). Arterial blood gas results show pH 7.28, PaCO 8 mmHg, and HCO- 14 mEq/L. Which statement best explains the respiratory system’s role in regulating this client’s acid-base balance?

A home health nurse develops a sleep promotion plan for a 78-year-old client with multiple chronic conditions who reports poor nighttime sleep and excessive daytime napping. The client is functionally independent and lives alone. Which interventions should the nurse recommend to improve the client’s sleep-wake cycle? Select all that apply.

A nurse evaluates outcomes for a family caregiver who received sleep-promotion interventions 6 weeks ago for insomnia related to caregiving stress. The caregiver reports sleeping 6-7 hours nightly, exercising 3 times weekly, and attending one caregiver support group meeting. Which findings indicate the interventions have been effective? Select all that apply.

A prenatal nurse develops educational materials about sleep changes during pregnancy after several clients report concerns about sleep disturbances affecting their health. Which statements about pregnancy-related sleep requirements and patterns should be included? Select all that apply.

An ICU implements a protocol to maximize sleep quality for clients with sepsis after research shows sleep-deprived septic clients have worse outcomes. The nurse educator explains the physiological rationale to staff. Which sleep functions are most relevant to sepsis recovery? Select all that apply.