32 Questions
What does the term 'neoplasia' refer to?
An abnormal mass of tissue with uncoordinated growth
What is the etiology of cancer according to the given text?
Irreversible but nonlethal change in the genetic material
Which suffix is commonly used to name neoplasms?
oma
Which environmental factor is mentioned to cause DNA mutations leading to cancer?
Alcohol consumption
From which type of infection can H.pylori lead to stomach cancer?
Bacterial infection
Which viral infection is associated with causing cancer cervix?
Human papilloma virus (HPV)
Which type of tumor is characterized by rapid growth, infiltration, and the ability to recur?
Malignant Tumor
What do we call the genes that regulate programmed cell death (Apoptosis)?
Tumor Suppressor Genes
What is the mode of growth for malignant tumors?
Expansion and infiltration i.e. destroy normal tissue without invasion
Which gene is responsible for uncontrolled cell proliferation?
The growth promoting proto-oncogene
What is the characteristic feature of the cells in malignant tumors?
(Cellular anaplasia or cytological criteria of malignancy)
What distinguishes benign neoplasms from malignant neoplasms in terms of behavior and prognosis?
(Don't spread and don't recur if excised)
What is the term for the process of expansion and infiltration by malignant tumors?
(Infiltration)
Which characteristic feature is seen in the cut section of a malignant tumor?
(Vascular, with hemorrhage, necrosis)
Which type of tumor usually forms a noncapsulated polyp (papilloma)?
(Epithelial tumor)
Which microscopic feature is characteristic of cells in malignant tumors?
(Cellular anaplasia or cytological criteria of malignancy)
What is the definition of bacterial infection?
Invasion of the living tissue by pathogenic microorganisms
Which method of infection involves transmission via skin or mucous membrane?
Via skin or mucous membrane
What is the result of 'Subclinical infection'?
Infection without any symptoms
What is the definition of Toxaemia?
Circulation of bacterial toxins in the blood with production of clinical and pathological manifestations
What is the source of toxins in Toxaemia?
Released from necrotic tissue caused by the organisms
What is Bacteraemia defined as?
Circulation of relatively small number of bacteria in the blood
Which term refers to the circulation and multiplication of a large number of virulent microorganisms with their toxins in the blood without localization and with severe constitutional manifestations?
Septicaemia
What is the definition of pyaemia?
Circulation of septic emboli with their localization in the organs
What is the primary site affected by primary tuberculosis?
Lung
Which type of tuberculosis bacilli mainly affects adults and can result from reactivation of dormant focus or exogenous infection?
Secondary type
What is the fate of secondary tuberculosis if it extends and spreads through natural passages, blood, or lymphatic system?
Bad fate
Which factor is considered a predisposing factor for primary pulmonary tuberculosis?
Silicosis
What are the three parts that make up the primary pulmonary complex?
Ghon's focus, tuberculous lymphangitis, tuberculous lymphadenitis
Which term refers to the reactivation of a dormant focus or exogenous infection leading to apical or subapical site involvement in secondary pulmonary tuberculosis?
Ghon's focus
What is the characteristic feature of a tubercle's microscopic examination?
Central yellow caseation and grey periphery.
What type of bacilli primarily causes tuberculosis in humans?
"Human type"
Learn about neoplasia, which refers to the abnormal growth of tissue that exceeds and is uncoordinated with normal tissue. This quiz covers the general features, origins, and classification of neoplasia.
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