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name the 4 phases of the cell cycle - 🧠 ANSWER ✔✔G1 Phase
S Phase
G2 Phase
M Phase
This ONS Chemotherapy Biotherapy Certification Exam study guide contains approximately 120 exam-style questions with verified answers, focusing on core oncology and biotherapy principles required for certification. The document covers essential topics such as the cell cycle (G1, S, G2, M phases), mitosis stages, immune system function, hematopoiesis, and tumor biology, as outlined throughout the material . The content is structured in a clear question-and-answer format to support effective exam preparation and concept mastery. It includes detailed coverage of cellular processes such as DNA replication in the S phase, checkpoints in G2, and mitotic phases like prophase, metaphase, anaphase, and telophase (pages 1–2). Additionally, the document explores key immunology concepts including natural killer cells, phagocytosis, nonspecific vs. specific immunity, lymphocyte function (T cells and B cells), and tumor suppressor genes such as p53 (pages 2–4). These topics are fundamental for understanding chemotherapy mechanisms and patient response to treatment. This study material is ideal for registered nurses (RNs), oncology nurses, and healthcare professionals preparing for the ONS Chemotherapy and Biotherapy Certification exam. It is also suitable for nursing students, advanced practice nurses, and clinicians involved in cancer care, immunotherapy, or hematology. The guide is particularly useful for those seeking certification, continuing education, or specialization in oncology nursing. The content aligns with the ONS Chemotherapy and Biotherapy Guidelines and Recommendations for Practice by the Oncology Nursing Society, which serves as the primary reference for certification preparation and safe administration of chemotherapy and biotherapy treatments. Keywords: ONS chemotherapy exam, biotherapy certification questions, oncology nursing exam, cell cycle phases G1 S G2 M, mitosis stages prophase metaphase anaphase telophase, immunology basics nursing, natural killer cells function, hematopoiesis myeloid lymphoid, tumor suppressor gene p53, nonspecific specific immunity, T cells B cells, oncology certification prep
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