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ONCC Practice Tests (OCN - Oncologic Emergencies) Questions and Answers 2023
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ONCC Practice Tests (OCN - OncologicEmergencies)
Which of the following cancers is associated with the development of disseminated
intravascular coagulation?
Mucin-secreting adenocarcinoma of the breast
Nonhyperdiploid variant multiple myeloma
Primary peritoneal carcinoma
Acral lentiginous melanoma - answer Mucin-secreting adenocarcinoma of the breast
Answer: The incidence of disseminated intravascular coagulation is associated mostly
with mucin-secreting adenocarcinomas of the prostate, lung, and breast.
Reference: Kaplan, M. (Ed.). (2013). Understanding and managing oncologic
emergencies: A resource for nurses (2nd ed.). Pittsburgh, PA: Oncology Nursing
Society, p. 69.
Which of the following is released into the bloodstream in the event of tumor lysis
syndrome?
Uric acid
Sodium
Magnesium
Calcium - answer Uric acid
Answer: Tumor lysis syndrome is a massive, sudden release of cellular contents in to
the bloodstream resulting in elevated uric acid levels.
Reference: Kaplan, M. (Ed.). (2013). Understanding and managing oncologic
emergencies: A resource for nurses (2nd ed.). Pittsburgh, PA: Oncology Nursing
Society, p. 440.
Which of the following classes of medication will most significantly increase the risk for
the development of a cytokine-release syndrome reaction?
Monoclonal antibodies
Taxanes
Platinum compounds
Anthracyclines - answer Monoclonal antibodies
Answer: Monoclonal antibodies can cause cytokine-release syndrome.
, Reference: Newton, S., Hickey, M., & Marrs, J. (2017). Mosby's oncology nursing
advisor: A comprehensive guide to clinical practice (2nd ed.). St. Louis, MO: Elsevier
Mosby, p. 243.
When a suspected extravasation occurs during the administration of a vesicant, the
nurse must first:
stop the administration of medication and fluids.
remove the peripheral IV or central venous access device.
aspirate the remaining vesicant from the IV tubing.
notify the healthcare provider. - answer stop the administration of medication and
fluids.
Answer: The first step the nurse should take when an extravasation occurs is stopping
the infusion.
Reference: Newton, S., Hickey, M., & Marrs, J. (2017). Mosby's oncology nursing
advisor: A comprehensive guide to clinical practice (2nd ed.). St. Louis, MO: Elsevier
Mosby, p. 217.
Which of the following interventions should the nurse perform for a patient who is at risk
for increased intracranial pressure?
Assessing the patient's gag reflex
Limiting suctioning to less than 30 seconds
Keeping the patient's bed in the high Fowler's position
Positioning pillows to hyperextend the neck - answer Assessing the patient's gag
reflex
Answer: Increased intracranial pressure can impair the gag reflex thus affecting the
patient's ability to eat and drink independently.
Reference: Kaplan, M. (Ed.). (2013). Understanding and managing oncologic
emergencies: A resource for nurses (2nd ed.). Pittsburgh, PA: Oncology Nursing
Society, p. 185(t).
A dexrazoxane infusion shows efficacy for treating the extravasation of:
an anthracycline.
a nitrosourea.
an alkylating agent.
a plant alkaloid. - answer an anthracycline.
Answer: Dexrazoxane is the treatment for anthracycline extravasation.
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