CHAPTER 6.4 (F4): ISSUES IN CELL DIVISION

What is a tumour?

• A tumour is a form of exercise.
• A tumour is a normal cell function.
• A tumour is a type of cancer.
• A tumour is an abnormal growth of tissue.

What are the two types of tumours?

• Benign and malignant

• Solid and liquid

• Internal and external

• Large and small

Which type of tumour is not dangerous and can be removed surgically?

• Malignant tumour

• Benign tumour

• Viral tumour

• Genetic tumour

What is another name for a malignant tumour?

• Benign

• Cancer

• Virus

• Bacteria

Which of the following is NOT a factor that causes cancer?

• Radiation

• Chemical substances

• Carcinogens

• Vitamins

What can happen if cancer is not identified at an early stage?

• It can cause organ damage and death

• It will heal on its own

• It will improve organ function

• It will remain harmless

What is the initial source of a tumor in breast cancer development?

• A group of cells

• A single cell

• A blood vessel

• A lymph vessel

What happens after cancer cells spread through the lymph and blood vessels?

• They die off

• They form a new tumor on other organs

• They become inactive

• They return to the original site

What genetic condition is caused by an extra chromosome at the 21st set?

• Turner syndrome

• Down syndrome

• Klinefelter syndrome

• Edwards syndrome

How many chromosomes does an individual with Down syndrome have?

• 45

• 46

• 47

• 48