ONCC-CBCN : ONCC Certified Breast Care Nurse Exam

Question: 1
Which of the following is a characteristic of triple-negative breast cancer?
A. Expression of estrogen receptor (ER)
B. Expression of progesterone receptor (PR)
C. Lack of expression of ER, PR, and HER2
D. Expression of human epidermal growth factor receptor 2 (HER2)
Answer: C
Explanation: Triple-negative breast cancer refers to a subtype of breast cancer that does not express the estrogen receptor (ER), progesterone receptor (PR), or human epidermal growth factor receptor 2 (HER2). This subtype accounts for approximately 10-20% of all breast cancer cases and is often associated with a more aggressive disease course and limited treatment options.
Question: 2
Which of the following breast cancer subtypes is characterized by the overexpression of the human epidermal growth factor receptor 2 (HER2)?
A. Luminal A
B. Luminal B
C. Basal-like
D. HER2-enriched
Answer: D
Explanation: The HER2-enriched subtype of breast cancer is characterized by the overexpression of the human epidermal growth factor receptor 2 (HER2). It represents approximately 15-20% of all breast cancer cases and is associated with a more aggressive disease course. Targeted therapies, such as trastuzumab (Herceptin), can effectively treat HER2-positive breast cancer.
Question: 3
Which of the following is a common long-term complication of radiation therapy in breast cancer patients?
A. Lymphedema
B. Peripheral neuropathy
C. Pulmonary fibrosis
D. Nephrotoxicity
Answer: A
Explanation: Lymphedema is a common long-term complication of radiation therapy in breast cancer patients. It refers to the swelling of the arm or chest on the side of the treated breast due to damage to the lymphatic system. Lymphedema can cause discomfort and impair arm function.
Question: 4
Which of the following is an established risk factor for the development of breast cancer?
A. High dietary intake of fruits and vegetables
B. Regular physical exercise
C. Breastfeeding
D. Early menopause
Answer: D
Explanation: Early menopause, defined as menopause occurring before the age of 45, is an established risk factor for the development of breast cancer. It is associated with a longer lifetime exposure to estrogen, which can increase the risk of breast cancer.
Question: 5
Which imaging modality is considered the gold standard for breast cancer screening in the general population?
A. Magnetic resonance imaging (MRI)
B. Ultrasound
C. Mammography
D. Positron emission tomography (PET)
Answer: C
Explanation: Mammography is the gold standard imaging modality for breast cancer screening in the general population. It is effective in detecting early-stage breast cancer and has been shown to reduce breast cancer-related mortality.
Question: 6
Which hormone therapy medication is commonly used in the treatment of hormone receptor-positive breast cancer?
A. Trastuzumab
B. Tamoxifen
C. Bevacizumab
D. Pertuzumab
Answer: B
Explanation: Tamoxifen is a commonly used hormone therapy medication in the treatment of hormone receptor-positive breast cancer. It acts by blocking the estrogen receptors in breast cancer cells, suppressing their growth and reducing the risk of cancer recurrence.
Question: 7
Which of the following is a common side effect of chemotherapy in breast cancer patients?
A. Weight gain
B. Hair loss
C. Hypertension
D. Bone loss
Answer: B
Explanation: Hair loss, also known as alopecia, is a common side effect of chemotherapy in breast cancer patients. Chemotherapy drugs target rapidly dividing cells, which include hair follicles, leading to hair loss. It is usually temporary, and hair often regrows after treatment is completed.
Question: 8
Which of the following genetic mutations is most commonly associated with hereditary breast and ovarian cancer syndrome?
A. TP53
B. BRCA2
C. BRCA1
D. PTEN
Answer: C
Explanation: The BRCA1 gene mutation is the most commonly identified genetic alteration associated with hereditary breast and ovarian cancer syndrome. Individuals with BRCA1 mutations have an increased risk of developing breast and ovarian cancer compared to the general population.
Question: 9
Which of the following lymph nodes is typically the first to receive drainage from the breast?
A. Internal mammary lymph node
B. Axillary lymph node
C. Supraclavicular lymph node
D. Sentinel lymph node
Answer: D
Explanation: The sentinel lymph node is typically the first lymph node to receive drainage from the breast. It is the first lymph node along the lymphatic pathway from the primary tumor site and is often the target of sentinel lymph node biopsy to assess for lymph node involvement in breast cancer.

User: Maude***** If you need a reliable oncc-cbcn practice test, then do not waste time and choose killexams.com as your final source of help. I also needed an oncc-cbcn practice test and opted for this excellent exam engine, which provided me with exceptional training. It guided me through every aspect of the oncc-cbcn exam, providing me with the best questions and answers I have ever seen. The test publications also proved to be very helpful.

User: Nicholas***** I took advantage of the practice tests provided by Killexams.com, which were rich in facts and provided me with the necessary guidance. The material boosted my spirit and gave me the self-confidence to take my ONCC-CBCN exam. The questions and answers provided were very similar to the actual exam questions. As a non-native English speaker, I was given 120 minutes to complete the exam, but I finished it in just 95 minutes. Thank you for the extraordinary material.

User: Mary***** I am extremely happy with the Killexams.com bundle because I scored over 96% on the oncc-cbcn exam. I found the official oncc-cbcn guide useful, but Killexams.com was my primary study resource. I memorized most of the questions and answers and took the time to understand the scenarios and technical/practical aspects of the exam. Although purchasing the Killexams.com bundle does not guarantee that you will pass your exam, if you study their materials well, it beats any other exam prep option out there.

User: Nina***** I no longer feel alone when it comes to exam preparation, thanks to killexams.com. They not only provide me with excellent test material, but also offer instructors who are ready to guide me at any time of the day. Throughout my test, I received the same level of support and guidance, and all my questions were responded to. I am grateful to the experts here for being excellent and helping me pass my challenging exam with ONCC-CBCN test material, ONCC-CBCN exam, and even ONCC-CBCN exam simulator.

User: Zoey***** killexams.com helped me pass my oncc-cbcn exam and retain my job in my current company. Their training package of oncc-cbcn questions, answers, and exam simulator was fantastic, and I am now oncc-cbcn certified. I want to thank killexams.com for their awesome work.

---