# A nurse is preparing to administer cyclophosphamide (Cytoxan) to a patient with breast cancer. Which safety precaution is the highest priority when handling this antineoplastic medication?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=319610  
> language: ko  
> subject: Pharmacology

## 문제

A nurse is preparing to administer cyclophosphamide (Cytoxan) to a patient with breast cancer. Which safety precaution is the highest priority when handling this antineoplastic medication?

## 보기

1. Wear double gloves, protective gown, and face shield when preparing and administering the medication **✔ 정답**
2. Monitor the patient's complete blood count before administration
3. Ensure adequate hydration by administering normal saline before the infusion
4. Verify the patient's identity using two identifiers before administration

**정답: 1**

## 해설

Personal protective equipment (double gloves, gown, face shield) is the highest priority when handling cytotoxic medications like cyclophosphamide to prevent occupational exposure and health risks to healthcare workers. Other measures like CBC monitoring, hydration, and patient verification are important but secondary to staff safety.

## 심화 해설

Core Nursing Explanation
**Key Concept Analysis**: This question tests the priority safety precaution for handling antineoplastic (chemotherapy) medications. The core theme is occupational safety and hazardous drug handling. Antineoplastic drugs are classified as hazardous agents that can cause harm to healthcare workers through skin absorption, inhalation, or accidental ingestion. The Key Point! is that protecting the nurse from exposure is the **highest priority** action before any patient-focused intervention begins.

**Answer Rationale**: The correct answer is **① Wear double gloves, protective gown, and face shield when preparing and administering the medication**. This is based on the hierarchy of controls and evidence-based guidelines (e.g., from OSHA and NIOSH) for safe handling of hazardous drugs. The principle is to Key Point! eliminate or minimize exposure at the source. Using personal protective equipment (PPE)—specifically a gown, double gloves, and eye/face protection—creates a barrier against spills, splashes, and aerosolization during drug preparation and administration. This action directly prevents acute and chronic health risks to the nurse, such as skin irritation, reproductive toxicity, and potential carcinogenicity.

**Distractor Analysis**:

Watch out for confusion! Option ②, "Monitor the patient's complete blood count before administration," is a critical **patient-focused** assessment because cyclophosphamide causes myelosuppression. However, it is not the *highest priority safety precaution for handling* the drug. The nurse's safety comes first.

Watch out for confusion! Option ③, "Ensure adequate hydration by administering normal saline before the infusion," is an important **patient-focused** intervention to prevent a major side effect of cyclophosphamide: hemorrhagic cystitis. Hydration helps dilute the drug's metabolites in the bladder. Again, this is secondary to protecting the handler.

Watch out for confusion! Option ④, "Verify the patient's identity using two identifiers before administration," is a universal patient safety standard for **all** medication administrations to prevent errors. While it is always a priority in medication administration, the question specifically asks for the safety precaution related to *handling* this hazardous drug, making staff PPE the more specific and highest priority answer.

**Related Concepts**: This integrates knowledge of pharmacology (drug classification and toxicities), infection control (standard and transmission-based precautions), and nursing ethics (the duty to protect both the patient and oneself). Remember the sequence: First, protect yourself to safely care for others.

Concept Summary

| Concept | Description | Application to Question |
| --- | --- | --- |
| Hazardous Drug Handling | Procedures to minimize healthcare worker exposure to drugs that pose potential risks (carcinogenic, teratogenic, etc.). | Mandates use of specific PPE like double gloves, gown, and face shield. |
| Personal Protective Equipment (PPE) | Specialized clothing or equipment worn to protect against health or safety risks. | The primary barrier against chemotherapy exposure during preparation and administration. |
| Cyclophosphamide (Cytoxan) | An alkylating antineoplastic agent used to treat various cancers. | Key toxicities include myelosuppression and hemorrhagic cystitis, but handling requires strict PPE. |
| Hierarchy of Controls | A system to prioritize hazard control methods: Elimination > Substitution > Engineering Controls > Administrative Controls > PPE. | For drug handling, PPE is a critical last line of defense when the hazard (the drug) cannot be eliminated. |

Side-by-Side Comparison!

| Safety Action | Primary Purpose | Priority in Handling Hazardous Drugs |
| --- | --- | --- |
| Wearing PPE (Gown, Double Gloves, Face Shield) | To protect the healthcare worker from exposure. | Key Point! Highest Priority. Must be done before touching the drug. |
| Monitoring Patient Lab Values (e.g., CBC) | To assess patient tolerance and prevent complications (e.g., infection, bleeding). | Critical for patient safety but occurs before or after administration, not during handling. |
| Performing Patient Identification | To ensure the right drug goes to the right patient. | A universal patient safety priority for all meds, but not specific to hazardous drug handling. |

Anatomy, Physiology & Pharmacology Points

- **Pharmacology**: Cyclophosphamide is metabolized in the liver to active and toxic compounds. One toxic metabolite, acrolein, is excreted by the kidneys and can damage the bladder lining, leading to hemorrhagic cystitis. This is why hydration (option 3) is important.

- **Physiology**: The drug suppresses bone marrow function, leading to myelosuppression (low white blood cells (WBC), red blood cells (RBC), and platelets (Plt)). This is why monitoring CBC (option 2) is essential.

- **Safety Science**: The use of closed-system transfer devices (CSTDs) is an engineering control that, along with PPE, further reduces exposure risk when handling antineoplastics.

Memory Tips

- **Acronym: PPE FIRST**: For hazardous drugs, your **P**ersonal **P**rotective **E**quipment comes **FIRST**.

- **Association**: Think of handling chemotherapy like handling a toxic chemical spill. You wouldn't touch it without full protective gear.

- **Rule of Thumb**: If the question asks about "handling," "preparing," or "administering" a hazardous/antineoplastic drug, and one option is about nurse PPE, that is very likely the correct answer.

High-Frequency NCLEX Topics
The NCLEX-RN frequently tests **safety** and **infection control**. Questions on handling hazardous materials (chemotherapy, radioactive agents) and using appropriate PPE are common. The exam expects you to prioritize the nurse's safety to prevent injury and ensure the nurse can continue to provide care.

Watch Out for Question Variations!

- **Shift from "Handling" to "Monitoring"**: The same drug could be tested with a question like: "A client is receiving cyclophosphamide. Which finding requires immediate intervention?" The answer would then focus on **patient** findings like signs of infection (from neutropenia) or bloody urine (hemorrhagic cystitis).

- **Shift to Patient Education**: "The nurse is teaching a patient receiving cyclophosphamide. Which instruction is most important?" The answer would likely be about increasing fluid intake to protect the bladder or reporting signs of infection.

- **Other Hazardous Drugs**: The same PPE principles apply to other antineoplastics (e.g., doxorubicin, cisplatin) and other hazardous drugs like some antiviral or immunosuppressive agents.

## 임상 시나리오

Nursing Clinical Practice Guide
**Clinical Scenario**: You are a nurse on an oncology unit. The electronic health record indicates your patient, Ms. Lopez, is scheduled for her first dose of IV cyclophosphamide for breast cancer at 10:00 AM. You go to the medication room to prepare the dose.

**Nursing Intervention Strategy**:

- **Assessment & Preparation (Before Handling)**: Review the order, patient allergies, and most recent lab values (especially CBC and renal function). Gather all supplies in a designated, clean, low-traffic area. Key Point! Before even opening the drug vial, don your PPE: a disposable, impermeable **gown**, **double gloves** (one pair under the gown cuff, one pair over), and a **face shield** or goggles with a mask.

- **Safe Preparation**: Use a closed-system transfer device (CSTD) if available. Wipe the vial top with an alcohol swab. Carefully draw up the medication, avoiding any air pressure changes that could cause aerosolization. Label the syringe immediately.

- **Safe Administration & Patient Care**: Transport the drug in a sealed plastic bag. At the bedside, perform the two-patient identifier check. Connect the IV tubing, preferably using the CSTD. During the infusion, monitor the IV site for patency and the patient for any acute reactions. After administration, dispose of all equipment (syringes, gloves, gown) in a designated chemotherapy waste container.

- **Post-Administration Monitoring & Education**: After ensuring your own safety (proper disposal and hand hygiene), focus on the patient. Encourage oral fluids. Teach Ms. Lopez to report fever, chills, unusual bruising/bleeding, or painful urination/blood in urine.

**Patient Safety and Precautions**:

- **Contraindications/Cautions**: Do not administer if the patient has a severe infection, is severely myelosuppressed, or has severe renal impairment without dose adjustment.

- **Medication Administration**: Administer as a slow IV infusion as per protocol. Rapid infusion can increase toxicity.

- **Key Monitoring Points**: Monitor for extravasation (although cyclophosphamide is not a strong vesicant, it can cause irritation). Monitor urine output and characteristics. Monitor for signs of SIADH (Syndrome of Inappropriate Antidiuretic Hormone Secretion), a rare side effect.

Nursing Procedure & Medication Flow
**Cyclophosphamide Administration Checklist**:

- **Pre-Administration (Nurse Safety & Patient Check)**: Don PPE (gown, double gloves, eye protection) → Verify order and patient identity (2 identifiers) → Assess labs (CBC, creatinine) → Assess for contraindications.

- **Preparation (In Medication Area)**: Use CSTD → Draw up medication in syringe → Label syringe → Place in sealable bag.

- **Administration (At Bedside)**: Re-verify patient → Prime IV line → Connect using safe technique (CSTD) → Infuse over prescribed time (e.g., 30-60 minutes) → Monitor for reactions.

- **Post-Administration**: Dispose of all materials in chemo waste → Remove gloves and gown properly → Perform hand hygiene → Document administration and patient response → Provide patient education on side effect management.

A Word from Your Senior Nurse
"Nursing is not just about carrying out physician orders — it's about being the frontline guardian for your patients **and yourself**! In clinical practice, I've seen new nurses so focused on the patient's needs that they rush and skip a glove or a gown when handling chemo. That one exposure might not cause immediate harm, but cumulative exposure over a career is a real risk. Protecting yourself isn't selfish; it's professional. When studying for your boards, remember that 'safety' questions often have a clear hierarchy: first, ensure the caregiver is safe (PPE, body mechanics), then the patient (assessment, right medication), then the environment. This mindset will help you prioritize correctly on the NCLEX and build a long, healthy nursing career."

## 핵심 개념

- **Antineoplastic** — A drug that prevents the development, growth, or proliferation of malignant cells. Also called chemotherapy or cytotoxic drug.
- **Personal Protective Equipment** — Specialized clothing or equipment worn to minimize exposure to hazards that cause serious workplace injuries and illnesses.
- **Myelosuppression** — Decreased bone marrow activity resulting in reduced production of blood cells (leukopenia, anemia, thrombocytopenia). A common side effect of many chemotherapies.
- **Hemorrhagic Cystitis** — Inflammation and bleeding from the bladder lining. A specific toxicity of cyclophosphamide and ifosfamide, often prevented with hydration and the drug mesna.
- **Closed-System Transfer Device** — A drug transfer device that mechanically prohibits the transfer of environmental contaminants into the system and the escape of hazardous drug or vapor concentrations outside the system.

## 같은 주제 문제

- [A nurse is preparing to administer chemotherapy to a patient with acute lymphoblastic leuk…](https://mymerci.kr/pages/nclex_q.php?qn_id=319609)
- [A nurse is caring for a patient receiving chemotherapy with cisplatin. Which nursing inter…](https://mymerci.kr/pages/nclex_q.php?qn_id=319611)
- [A nurse is caring for a patient receiving chemotherapy with vincristine. Which assessment …](https://mymerci.kr/pages/nclex_q.php?qn_id=319612)

---

More free questions: [기출문제](https://mymerci.kr/)

_학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요._