A nurse is caring for a client undergoing induction chemotherapy for acute myelogenous leukemia (AML). The client's morning laboratory results reveal a white blood cell count (WBC) of 1,200/mm³ with 10% neutrophils. Which nursing intervention should be the highest priority to include in the client's plan of care?

Neutropenia (ANC 120/mm³) significantly increases infection risk, making protective isolation the highest priority to minimize pathogen exposure. Other options are less critical or contraindicated in this setting.

Understanding the Clinical Scenario
The client has acute myelogenous leukemia (AML) and is receiving induction chemotherapy. The laboratory results show a white blood cell count (WBC) of 1,200/mm³ with only 10% neutrophils. To calculate the absolute neutrophil count (ANC), multiply the WBC by the percentage of neutrophils (segmented and bands): 1,200 × 0.10 = 120 cells/mm³. This places the client in a state of profound neutropenia, which is defined as a neutrophil count below 1,500 cells/μL ^[1]. At an ANC below 500, the risk for life-threatening infection escalates dramatically, and at this level, the client has virtually no defense against endogenous or exogenous pathogens.

Analysis of the Correct Answer
The highest priority is to place the client in protective isolation and restrict all visitors. Evidence-based nursing strategies for neutropenic patients mandate strict infection control as the cornerstone of clinical management ^[1]. Protective isolation creates an environment that minimizes the client's exposure to bacterial, viral, and fungal pathogens. Restricting visitors, particularly those with even minor illnesses, is a critical component of this strategy because the client’s immune system cannot mount an effective response. A personalized nursing pathway focused on infection prevention has been shown to significantly reduce hospital-acquired infections in hospitalized leukemia patients, reinforcing the necessity of rigorous environmental controls ^[3].

Why the Other Options are Incorrect
- Option 1: Encourage fresh fruits and vegetables. This is contraindicated in a profoundly neutropenic client. Fresh produce can harbor bacteria and fungi, posing a significant infection risk. The standard of care for a neutropenic diet excludes fresh, uncooked fruits and vegetables to limit pathogen exposure, a key element of the clinical management domain for infection control ^[1].
- Option 3: Administer antibiotics only when fever develops. This is a reactive, not proactive, approach and is not the immediate priority nursing intervention. While febrile neutropenia (FN) is a medical emergency requiring prompt antibiotic administration, the nurse’s highest priority is prevention. A nursing risk prediction model for chemotherapy-induced FN highlights that proactive, nursing-led early risk stratification and preventive actions are essential to avoid this serious complication . Waiting for a fever to occur before acting ignores the critical window for prevention.
- Option 4: Allow family to visit freely. While psychosocial support is vital and can reduce distress by 38-45% ^[1], it cannot supersede the physiological safety need for infection prevention. Unrestricted visitation introduces uncontrollable infection risks. The need for psychosocial support must be balanced with, and provided through, safe methods such as telehealth or structured, trained caregiver visits. Training caregivers on proper isolation procedures is effective and necessary to maintain a safe environment .

Deep Dive into Pathophysiology and Nursing Priority
Induction chemotherapy works by destroying rapidly dividing cells, a mechanism that is not selective to cancer cells and profoundly suppresses the bone marrow. The resulting neutropenia eliminates the body's primary defense against bacterial and fungal infections. Without neutrophils, the classic signs of infection—such as pus, swelling, and localized erythema—are often absent. A low-grade fever may be the only, and a late, sign of a rapidly progressing, life-threatening infection. This is why the nursing priority is not to wait for a fever but to implement every possible barrier against pathogen entry. The concept of "clinical management with strict infection control" is identified as the first and foundational domain of care for these patients, upon which education and psychosocial support are built ^[1]. The nurse’s role is to create a safe environment through protective isolation, meticulous hand hygiene, and strict asepsis, thereby directly preventing the onset of febrile neutropenia, a serious yet potentially preventable complication .