Neoplasia and Cell Growth Quiz

What is the definition of neoplasia according to British Oncologist Willis?

• An abnormal mass of tissue with coordinated growth

• A normal tissue growth

• An abnormal mass of tissue with excessive and uncoordinated growth

• A benign tumor

Which phase of the cell cycle is known as the synthetic phase?

• M phase

• G2 phase

• S phase

• G1 phase

What type of cells are continuously dividing?

• Labile cells

• Quiescent cells

• Stable cells

• Permanent cells

Which of the following is NOT a characteristic of malignant tumors?

• Anaplastic

• Ill-defined margins

• Well-differentiated

• Irregular margins

What is the hallmark of malignancy?

• Local invasion

• Encapsulation

• Well-differentiated cells

• Metastasis

Which of the following is a characteristic of anaplasia?

• Well-defined structure

• Low nucleo-cytoplasmic ratio

• Pleomorphism

• Normal mitotic figures

What does the term 'carcinoma' refer to?

• Benign tumor

• Malignant epithelial tumor

• Malignant mesenchymal tumor

• Non-dividing cells

Which of the following is a danger signal of cancer?

• Frequent headaches

• Increased appetite

• Unusual bleeding or discharge

• Change in hair color

What is the role of checkpoints in the cell cycle?

• To promote cell division

• To inhibit apoptosis

• To ensure critical transitions occur correctly

• To increase cell growth

Which of the following describes 'dysplasia'?

• Well-differentiated cells

• Lack of differentiation

• Normal cell growth

• Disordered growth and maturation