Other questions in this quiz

2. Which of these is a factor in the growth of transformed, tumour cells?

  • Increased cohesion and being anchorage dependent
  • Loss of contact inhibition and colony formation
  • Increased serum growth factor requirment
  • Early maturation

3. Which of these is not a feature used to determine the grade of a tumour?

  • Secretion of proteolytic enzymes
  • Mitotic activity
  • Nuclear size
  • Degree of differentiation

4. Which of these is the first step in proliferation of normal cells?

  • Nuclear regulatory factors that initiate DNA transcription are activated
  • A growth factor binds to and activated a cell surface growth factor receptor
  • The cell divides in a controlled way
  • A signal is transduced across the membrane
  • A transduced signal is transmitted to the nucleus
  • The cell enters and progresses in the cell cycle

5. Which of these terms describes an increase in the number of cells in a tissue?

  • Dysplasia
  • Hyperplasia
  • Hypertrophy
  • Atrophy
  • Metaplasia

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