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(a) How do normal cells become cancerous ?

(b) Cancer can be treated successfully only if detected at an early stage. How do the following help in detecting cancer ?

(i) Biopsy (ii) Histopathology (iii) MRI

(c) Name any two methods that can possibly cure cancer.

 

 
 
 

Answers (1)

a) When the normal cell loss of the property of contact inhibition by other normal cells, then it leads to uncontrolled growth and become cancerous.

b)

  • Biopsy: It's a piece of the suspected tissue is cut into thin section stained and studied.
  • Histopathology: It's a piece of suspected tissue is examined under a microscope by a pathologist.
  • MRI: It uses strong magnetic fields and non-ionising radiations, accurately detect pathological and physiological changes in the tissues.

c) radiotherapy and chemotherapy

Posted by

Safeer PP

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