Carcinogens are factors related to the formation of various malignancies. Which factor has the greatest impact on the development of all cancers?
chemical agents
environmental factors
viruses
defective genes
The Correct Answer is B
A. Chemical agents: Chemical agents (e.g., tobacco smoke, asbestos) are significant carcinogens but are not the most influential across all types of cancer.
B. Environmental factors: Environmental factors, including exposure to radiation, chemicals, and lifestyle choices, have a broad impact on cancer development. This is the most comprehensive factor, as it encompasses various elements that contribute to cancer risk.
C. Viruses: Certain viruses (e.g., HPV, Hepatitis B) are linked to specific cancers, but they are not the primary cause of most cancers.
D. Defective genes: Genetic mutations play a critical role in cancer development, but they are often triggered by environmental factors, making environmental factors the most significant overall.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Agranulocytosis: Carbamazepine carries a boxed warning for serious hematologic effects, including agranulocytosis and aplastic anemia. Agranulocytosis is a significant drop in white blood cell count, leading to a high risk of infection.
B. Birth defects: While carbamazepine is associated with birth defects when taken during pregnancy, the boxed warning specifically highlights the risk of severe blood disorders like agranulocytosis.
C. Skin rash: Carbamazepine can cause serious skin reactions, including Stevens-Johnson syndrome and toxic epidermal necrolysis, but the boxed warning focuses more on the hematologic risks.
D. Liver damage: Although carbamazepine can cause liver damage, this is not the primary focus of the boxed warning, which emphasizes hematologic effects.
Correct Answer is C
Explanation
A. Alcohol tolerance: Alcohol tolerance refers to the decreased effect of alcohol with repeated use, not withdrawal symptoms.
B. Korsakoff's psychosis: Korsakoff's psychosis is a chronic condition related to thiamine deficiency and characterized by memory impairment and confabulation, not acute withdrawal symptoms.
C. Delirium tremens: Delirium tremens (DTs) is a severe form of alcohol withdrawal that can present with tremors, agitation, elevated blood pressure, tachycardia, and confusion. The client’s symptoms and recent history suggest DTs.
D. Wernicke's encephalopathy: Wernicke's encephalopathy typically presents with ataxia, confusion, and ophthalmoplegia rather than the acute withdrawal symptoms described.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.
