EXAM HERO - ONCO NURSING PRACTICE Flashcards
Which of the following is a key role of an oncology nurse when administering chemotherapy?
Prescribing chemotherapy dosages according to patient weight and height
Monitoring patients for adverse reactions during and after chemotherapy administration
Performing the first dose administration of experimental chemotherapy drugs
Deciding the combination of drugs to be used in chemotherapy protocols
Monitoring patients for adverse reactions during and after
What is a critical aspect of pain management that oncology nurses must manage for cancer patients?
Initiating opioid therapy at the highest possible doses to quickly control pain
Regularly assessing pain levels and adjusting pain management plans accordingly
Advising patients to avoid non-pharmacological pain relief methods such as meditation or massage
Waiting for patients to request pain relief before administering medication
Regularly assessing pain levels and adjusting pain management plans accordingly
Which of the following best describes the role of oncology nurses in patient education?
Providing detailed explanations about surgical procedures, which is solely the surgeon’s responsibility
Teaching patients and families about the side effects of treatments and how to manage them
Instructing patients to make decisions about treatment plans without family consultation
Limiting information to avoid overwhelming the patient with details about their diagnosis
Teaching patients and families about the side effects of treatments and how to manage them
What is the primary function of immunotherapy in cancer treatment?
To reduce the tumor size mechanically through surgical interventions
To enhance the body’s immune response to recognize and destroy cancer cells
To administer strong antibiotics to prevent infections in cancer patients
To decrease blood supply to tumors by vasoconstriction
To enhance the body’s immune response to recognize and destroy cancer cells
Which of the following are considered primary lymphoid organs?
Spleen and tonsils
Bone marrow and thymus
Lymph nodes and spleen
Tonsils and lymph nodes
Bone marrow and thymus
What role do lymphocytes play in the immune system?
They are primarily involved in the clotting of blood.
They transport oxygen to tissues and organs throughout the body.
They are essential for both the innate and adaptive immune responses.
They synthesize and release neurotransmitters necessary for brain function.
They are essential for both the innate and adaptive immune responses.
What is the primary function of phagocytes in the immune system?
To produce antibodies that neutralize pathogens
To directly kill tumor cells without recognizing specific antigens
To engulf and digest pathogens and cellular debris
To regulate the action of other immune cells by releasing hormones
To engulf and digest pathogens and cellular debris
Which of the following are considered secondary lymphoid organs?
Bone marrow and thymus
Spleen and lymph nodes
Brain and spinal cord
Liver and pancreas
Spleen and lymph nodes
What distinguishes natural killer (NK) cells from other lymphocytes in their method of targeting infected or cancerous cells?
NK cells require antibodies to bind to targets before they can destroy them.
NK cells destroy targets without the need for prior antigen exposure.
NK cells participate in phagocytosis like neutrophils.
NK cells directly produce antibodies against pathogens.
NK cells destroy targets without the need for prior antigen exposure.
What is the primary role of dendritic cells in the immune system?
To suppress immune responses to prevent autoimmunity
To present antigens to T-cells, initiating a specific immune response
To produce large volumes of antibodies rapidly
To serve as the main phagocytic cells in blood
To present antigens to T-cells, initiating a specific immune response
What is the primary role of mast cells in the immune system?
To produce and secrete hormones that regulate other immune cells
To act as the primary phagocytic cells during bacterial infections
To trigger the inflammatory response through the release of histamine
To directly kill virus-infected cells and tumor cells
To trigger the inflammatory response through the release of histamine
How do oncogenes contribute to cancer development?
They are involved in slowing down cell division and promoting cell differentiation.
They suppress immune responses against tumor cells.
They result from mutations of proto-oncogenes and promote uncontrolled cell division.
They enhance the accuracy of DNA replication during cell division.
They result from mutations of proto-oncogenes and promote uncontrolled cell division.
What is the primary function of cytokines in the immune system?
To encapsulate and isolate pathogenic bacteria
To facilitate the digestion and absorption of nutrients
To serve as messengers that regulate immune and inflammatory responses
To directly neutralize toxins produced by pathogens
To serve as messengers that regulate immune and inflammatory responses
What mechanism is primarily involved in chemical carcinogenesis?
Direct stimulation of the immune system to attack body tissues
Induction of hormonal imbalances that lead to benign tumors
Direct damage to DNA by chemical agents leading to mutations
Enhancement of nutrient absorption promoting uncontrolled cell growth
Direct damage to DNA by chemical agents leading to mutations
What is the primary function of tumor suppressor genes in cellular biology?
They promote cell division and prevent apoptosis.
They encode proteins that help to repair damaged DNA.
They regulate and promote the angiogenesis process.
They initiate the transcription of growth-promoting genes.
They encode proteins that help to repair damaged DNA.
In pathology, what does pleomorphism refer to?
The presence of uniform cells of the same size and shape within a tissue
Variation in size and shape of cells and/or their nuclei within a tumor
The ability of cancer cells to metastasize to different organs
The disappearance of cells due to programmed cell death
Variation in size and shape of cells and/or their nuclei within a tumor
Which virus is known to be associated with cervical cancer through the process of viral carcinogenesis?
Influenza virus
Human Papillomavirus (HPV)
Hepatitis A virus
Respiratory syncytial virus (RSV)
Human Papillomavirus (HPV)
What typically characterizes familial carcinogenesis?
Environmental factors rather than genetic predispositions primarily cause it.
It involves inherited genetic mutations that significantly increase cancer risk.
It only affects individuals in late adulthood, regardless of family history.
It is unrelated to specific mutations and varies randomly across populations.
It involves inherited genetic mutations that significantly increase cancer risk.
What is the role of aneuploidy in the development of cancer?
Aneuploidy results in the uniform division of chromosomes, promoting healthy cell function.
It involves the reduction of chromosome numbers to half, enhancing reproductive cell stability.
Aneuploidy involves a deviation from the normal number of chromosomes, contributing to cellular dysfunction and cancer.
It ensures genetic stability by correcting DNA replication errors.
Aneuploidy involves a deviation from the normal number of chromosomes, contributing to cellular dysfunction and cancer.
What is the significance of deletions in the context of genetic mutations in cancer?
They represent a harmless variation in genetic material that does not affect cell function.
They result in the duplication of essential genes, enhancing cellular functions.
They involve the removal of segments of DNA, potentially leading to loss of tumor suppressor gene function.
They increase genetic diversity within cells, typically benefiting their adaptability and survival.
They involve the removal of segments of DNA, potentially leading to loss of tumor suppressor gene function.
How do landscaper genes influence cancer development within the tumor microenvironment?
By directly altering DNA sequences within oncogenes.
By regulating interactions between tumor cells and their surrounding environment.
By enhancing the metabolic rate of cancer cells.
By secreting hormones that suppress immune surveillance.
By regulating interactions between tumor cells and their surrounding environment.
In the context of oncology nursing, why is understanding the function of gatekeeper genes important when providing patient education about genetic testing and cancer risk?
Gatekeeper genes primarily regulate the uptake of chemotherapy drugs into cancer cells.
These genes are responsible for encoding proteins that manage the metabolic pathways in cancer cells.
Gatekeeper genes directly control cell growth by regulating the cell cycle and apoptosis, impacting cancer development.
They are involved in the modification of hormonal levels that could predispose individuals to cancer.
Gatekeeper genes directly control cell growth by regulating the cell cycle and apoptosis, impacting cancer development.
What is the primary function of caretaker genes in cellular biology, particularly relevant in cancer prevention?
They produce growth factors that enhance cell division.
They directly stimulate the immune system to attack cancer cells.
They maintain genomic integrity by repairing DNA damage.
They promote the angiogenesis needed for tumor growth.
They maintain genomic integrity by repairing DNA damage.
What distinguishes the initiation phase from the promotion phase in cancer development?
Initiation involves irreversible genetic alterations, while promotion involves reversible changes that enhance cell proliferation.
Initiation is the stage where tumors become malignant, whereas promotion is where tumors spread.
Promotion occurs first, establishing mutations, followed by initiation, which involves immune evasion.
Initiation involves angiogenesis, and promotion involves metastasis.
Initiation involves irreversible genetic alterations, while promotion involves reversible changes that enhance cell proliferation.