Neoplasm
Quiz by Sadeq K. Ali Al-Salait
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20 questions
Show answers
- Q1What is a neoplasm primarily characterized by?InflammationUncontrolled and abnormal cell growthIncreased growth rateImpaired cell growth30s
- Q2Which of the following statements is true about neoplasms?They are always cancerousThey only develop in the epithelial tissueThey are caused by bacterial infectionsThey can arise from any type of tissue in the body30s
- Q3What is the growth pattern of a neoplasm?Autonomous and unregulatedHighly organized and controlledDependent on hormonal signalsDependent on external stimuli30s
- Q4What is a characteristic of a malignant neoplasm?Limited growth potentialPresence of a well-defined borderAbility to invade nearby tissues and spread to distant sitesAbility to regenerate lost cells30s
- Q5Which of the following terms is often used interchangeably with 'neoplasm'?HyperplasiaMalignancyMalformationTumor30s
- Q6What is the primary cause of neoplasms?Viral infectionsOxidative injuryAcquired genetic mutationsExcessive sunlight exposure30s
- Q7Which of the following is a key characteristic of clonality in neoplasm?Presence of heterogeneous genetic alterationsPresence of DNA replication errorsAbsence of genetic alterationsPresence of identical genetic alterations30s
- Q8Which of the following is a characteristic of benign neoplasms?They typically have a slow growth rateThey do not affect nearby tissuesThey typically have a rapid growth rateThey are always unharmful30s
- Q9What is the main characteristic of dysplasia in neoplasms?Mutation of tumor suppressor genesDisordered cellular architectureElevated tumor markersInvasion of surrounding tissues30s
- Q10What is a driver mutation in neoplasms?A genetic alteration that promotes tumor growthA mutation that has no effect on tumor growthA mutation that causes cell deathA mutation that suppresses tumor growth30s
- Q11Which of the following is a characteristic of uncontrolled cell cycle in neoplastic cells?Unrestricted cell proliferationNormal cell differentiationLimited mitotic divisionsRegulated cell growth30s
- Q12Which of the following is a key feature of uncontrolled cell cycle in neoplastic cells?Enhanced cellular differentiationSlowed cell proliferationIncreased DNA repair mechanismsResistance to apoptosis30s
- Q13Which of the following statements is true regarding differentiation in malignant and benign tumors?Malignant tumors are more differentiated than benign tumorsBoth malignant and benign tumors have the same level of differentiationBenign tumors have less differentiation than malignant tumorsMalignant tumors are less differentiated than benign tumors30s
- Q14Why is angiogenesis important in tumor development?To supply nutrients and oxygen to the growing tumorTo reduce waste removal from the tumorTo prevent tumor growthTo enhance the immune response against the tumor30s
- Q15What is anaplasia in the context of tumors?Loss of cellular differentiationExcessive cell growthLocalized invasionIncreased blood supply30s