10+ PNLE Pediatric Oncology and Hematology Review Questions Study Guide
Introduction
Pedia onco-hema looks scary because the diseases sound rare, but the PNLE keeps it weirdly practical. They’re not asking you to memorize every chemo drug, they’re checking if you can spot anemia, protect a neutropenic kid, and stop you from doing the one thing that can rupture a Wilms tumor.
On the exam, these questions show up as short clinical stories. A toddler is pale and picky with food, a school-age kid has bone pain and bruising, a child has a firm abdominal mass, or a parent says “my kid’s in pain again” and you have to choose the best support or priority intervention.
What trips people up is mixing up similar-looking anemia clues, forgetting age-based iron doses, and choosing “do a thorough assessment” when the correct move is “don’t palpate that abdomen.” Nail these patterns and you’ll pick up easy points fast.
Let’s make this topic predictable.
Key concepts
What to expect on the PNLE
For NP2, expect around 2 to 5 questions touching pediatric hema-onco, usually mixed into general pedia questions rather than as a big block. Most items are clinical scenario style with a priority twist, not pure memorization.
- Scenario that repeats: Toddler with pallor, pica, high milk intake, and “what teaching or regimen is correct” for iron therapy.
- Scenario that repeats: Child with bruising, petechiae, bone pain, fever or recurrent infections, and the question asks for likely condition or priority precaution, pointing to ALL and safety.
- Scenario that repeats: Firm abdominal mass in a young child, sometimes with hematuria or hypertension, and you must pick the one thing you must not do for Wilms tumor.
The pattern that traps students is when two options are both correct, but one is the priority. Example: for SCD crisis, teaching and comfort are correct, but pain meds and hydration come first.
Trap answers in this topic sound very “nurse-y,” like “perform a thorough abdominal assessment” or “encourage play therapy,” while ignoring immediate safety rules like no abdominal palpation, fever precautions with neutropenia, or bleeding precautions with low platelets.
Study tips
- Build a 1-page “Anemia Sorting Table”: Left column is Iron deficiency, Sickle cell, ALL. Right columns are “Key clues,” “Top nursing priorities,” and “Parent teaching.” If you can sort a stem into the right bucket in 10 seconds, you’re basically PNLE-proof for this mini-topic.
- Memorize the iron therapy script: Write this exactly and recite it, “Give iron with vitamin C, no milk 1 hour before or 2 hours after, dark stools are expected, liquid iron stains teeth so use a straw, continue about 3 months after Hgb normal.” PNLE options often differ by one small teaching point.
- Use the SCD crisis mental model: HOP (I’m inventing this, but it works): Hydration, Oxygen (if hypoxic), Pain control. If an answer choice doesn’t fit HOP, it’s usually not the priority.
- Practice the “Wilms Tumor reflex”: Any kid with a firm abdominal mass, your first thought should be “hands off the belly.” Say it out loud. PNLE loves testing whether you’ll palpate and cause rupture.
- Do 5-question micro-drills on tangerine.: Since you only have a few items available, use them like checkpoints. After each question, write the rule you missed as a single sentence, then redo the item 2 days later to see if the rule stuck.
Common mistakes to avoid
- “An abdominal mass, let me assess it properly”: You read the question, you see a toddler with a painless firm abdominal mass. Your gut says deep palpation and measuring the mass because assessment comes first. But the PNLE wants do not palpate and protect the child because a Wilms tumor can rupture and seed cancer cells. This one catches a lot of people because you’re trained to assess before you act.
- Thinking milk is a harmless comfort food: You see a picky 2-year-old who drinks lots of cow’s milk and looks pale. Your gut says “increase milk, it’s nutritious.” But the PNLE wants you to limit excessive cow’s milk and push iron-rich foods because milk can displace iron intake and worsen iron deficiency anemia. This catches people because the option sounds like good parenting.
- Stopping iron too early: You read that hemoglobin is back to normal after a month of iron therapy. Your gut says “great, stop the meds.” But the PNLE wants you to continue about 3 months to rebuild iron stores, or the anemia will bounce back. This one gets missed because the stem makes you feel like the problem is solved.
- Missing the pancytopenia pattern in ALL: You see bone pain and bruising, and your gut says “maybe trauma.” But the PNLE wants you to notice bruising plus infections plus pallor as a cluster pointing to marrow failure. This catches a lot of people because each symptom alone looks common, but together they scream leukemia.
- Choosing the ‘technically correct’ comfort answer in SCD: You see a child in vaso-occlusive pain crisis, and your gut says distraction and nonpharmacologic comfort first. But the PNLE wants aggressive pain management and hydration because ischemic pain is real and delaying analgesia worsens stress and oxygen demand. This one catches people who over-prioritize “therapeutic communication” over physiology.
Try a question
A real Pediatric Oncology and Hematology question from our bank. Give it a shot.
A child is suspected to have leukemia. Which diagnostic procedure is considered the most definitive for confirming this diagnosis?
Bone marrow biopsy is the most definitive diagnostic procedure for confirming leukemia in children. Leukemia is a malignancy of the blood-forming tissues, particularly the bone marrow, where abnormal proliferation of immature white blood cells (blasts) occurs. While initial laboratory findings such as abnormal complete blood count (CBC) with anemia, thrombocytopenia, and leukocytosis or leukopenia may raise suspicion, only direct examination of the bone marrow can confirm the diagnosis and subtype of leukemia.
A bone marrow biopsy involves aspirating a sample of marrow, usually from the posterior iliac crest, and examining it microscopically for the presence of leukemic blast cells. This procedure allows for:
- Direct visualization and quantification of blast cells
- Cytogenetic and immunophenotyping studies to classify leukemia type (e.g., ALL, AML)
- Assessment of marrow cellularity and involvement
This is essential for both diagnosis and treatment planning, as different leukemia types require specific protocols.
| Option | Rationale |
|---|---|
| A. Blood culture and sensitivity | Incorrect. Blood cultures are used to detect bacterial or fungal infections in the bloodstream, not to diagnose leukemia. While infections are common in leukemic patients due to immunosuppression, this test does not confirm malignancy. |
| B. Cerebrospinal fluid analysis | Incorrect. CSF analysis is used to detect central nervous system involvement by leukemia, but it is not the primary diagnostic tool. It is performed after leukemia is confirmed to stage the disease. |
| C. Blood biopsy | Incorrect. There is no such standard procedure as a 'blood biopsy.' Peripheral blood smears can show abnormal cells, but they are not definitive. Only bone marrow examination can confirm the diagnosis. |
| D. Bone marrow biopsy | Correct. This is the gold standard for diagnosing leukemia, as it directly assesses the marrow for malignant cells. |
Clinical Pearl: Remember 'Leukemia = Bone Marrow Problem.' Always confirm with a bone marrow biopsy when leukemia is suspected.
Nursing Implications: Nurses play a key role in preparing the child and family for the procedure, providing emotional support, and monitoring for complications such as bleeding or infection post-biopsy.
Understanding the pathophysiology and diagnostic process ensures accurate identification and timely management of pediatric leukemia, which is critical for improving outcomes.
NRSNG.com. Leukemia Pathochart (Pathophysiology and Diagnostics section). NRSNG.com, 2018.
Dietrich, Ann, MD, FAAP, FACEP. Nurse.com Clinical Guide to Leukemia. Nurse.com, updated December 18, 2025.
American Academy of Family Physicians (AAFP). Leukemia: What Primary Care Physicians Need to Know. American Family Physician, 2023.
DrOracle. Summary of Pediatric Leukemia Diagnostic Approach. DrOracle.ai, 2026.
StatPearls. Leukemia. NCBI Bookshelf, updated 2023.
Bone marrow evaluation for diagnosis and monitoring of acute myeloid leukemia. PubMed,
More Pediatric Oncology and Hematology questions
10+ questions available. Sign up to practice all of them.
A nurse is caring for a child with leukemia. Which combination of complications poses the greatest risk to the child?
A nurse is discussing prognosis with the family of a child with acute nonlymphoid leukemia. What is the expected survival rate for this type?
A nurse is counseling the parents of a child newly diagnosed with acute lymphoblastic leukemia. What is the approximate survival rate for this condition?
Practice questions
Q: A 2-year-old is brought to the clinic for being “always tired.” The child looks pale and drinks about 1 liter of cow’s milk daily. Which additional finding most supports iron deficiency anemia?
Answer: B. Pica and brittle nails are classic IDA clues along with pallor and a milk-heavy diet. Petechiae suggests thrombocytopenia (think leukemia), and jaundice with dark urine leans toward hemolysis. View more questions
Q: A nurse teaches the mother of a 3-year-old prescribed oral ferrous sulfate for iron deficiency anemia. Which statement by the mother shows correct understanding?
Answer: C. Vitamin C (like orange juice) increases iron absorption. Milk decreases absorption, and stools commonly turn dark or greenish-black, not light. The tempting wrong answer is A because it sounds gentle, but it directly reduces absorption. View more questions
Q: A 7-year-old with sickle cell disease arrives with severe limb pain after a day at the beach. The child is crying and refuses to walk. Which nursing intervention is the priority?
Answer: B. Vaso-occlusive crisis needs rapid pain control and hydration to reduce sickling and ischemia, plus oxygen if indicated. Cold packs can worsen vasoconstriction and sickling. Distraction can be adjunct, but delaying analgesia is not the priority. View more questions
Q: A child receiving chemotherapy has an absolute neutrophil count (ANC) of 400. The child’s temperature is 38.3°C. What is the nurse’s best action?
Answer: B. Fever with severe neutropenia is an emergency and often treated as sepsis until proven otherwise, so prompt notification and rapid workup/treatment is the move. The tempting wrong answer is A because it sounds reasonable, but waiting can be dangerous when immune response is blunted. View more questions
Q: An 8-year-old has easy bruising, petechiae, fatigue, and bone pain. Which lab pattern most fits acute lymphoblastic leukemia (ALL)?
Answer: B. ALL crowds out marrow leading to anemia, thrombocytopenia, and neutropenia (pancytopenia pattern), which matches the symptoms. A tempting wrong answer is D because low platelets fits bruising, but a high reticulocyte count points more to hemolysis with an active marrow, not marrow failure. View more questions
Q: A 4-year-old is admitted with a firm, non-tender abdominal mass. Ultrasound suggests Wilms tumor. Which nursing action is appropriate?
Answer: C. With suspected Wilms tumor, abdominal palpation is avoided to prevent rupture and tumor seeding, and monitoring BP and urine output supports renal involvement. The tempting wrong answer is A because it sounds like basic assessment, but this is the classic exception the PNLE expects you to know. View more questions
References and further reading
- Wilms Tumor and Other Childhood Kidney Tumors Treatment (PDQ®)–Health Professional Version government
Authoritative, frequently updated NCI evidence summary covering clinical features, staging, treatment, and perioperative considerations relevant to Wilms tumor (nephroblastoma). - Evidence-Based Management of Sickle Cell Disease: Expert Panel Report, 2014 guideline
Comprehensive NIH/NHLBI guideline-style report covering pediatric and adult sickle cell disease assessment and management (including pain, transfusion, hydroxyurea, and complication prevention). - American Society of Hematology 2020 guidelines for sickle cell disease: prevention, diagnosis, and treatment of cerebrovascular disease in children and adults guideline
Peer-reviewed ASH guideline article with pediatric-specific recommendations (e.g., TCD screening, transfusion thresholds/targets) useful for PNLE-style questions on sickle cell complications and prevention. - Guideline: daily iron supplementation in infants and children guideline
WHO guideline detailing recommended prophylactic iron regimens by age group (including preschool children) in settings with high anemia prevalence, aligning with common exam questions on iron supplementation. - Guideline: intermittent iron supplementation in preschool and school-age children guideline
WHO guidance for intermittent iron dosing strategies in preschool/school-age children, supporting study on iron regimen options and public-health approaches to iron deficiency anemia prevention. - Routine Iron Supplementation and Screening for Iron Deficiency Anemia in Children Ages 6 to 24 Months government
Evidence review (USPSTF-commissioned background) summarizing pediatric iron deficiency anemia screening and treatment dosing concepts that help frame assessment and management questions. - Wilms Tumor Treatment educational
Patient/family-facing but medically reviewed overview that is useful for nursing education on preop/postop teaching, treatment modalities, and family support needs in pediatric Wilms tumor care. - International Society of Paediatric Oncology (SIOP) — Homepage organization
Major global professional organization for pediatric oncology with educational resources and context for standards of care and multidisciplinary collaboration relevant to pediatric oncology nursing.