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Questions and Answers
What is the main characteristic of cancer cells?
What is the main characteristic of cancer cells?
- They remain dormant
- They multiply indefinitely (correct)
- They have reduced mobility
- They die off quickly
Why is cancer usually fatal if untreated?
Why is cancer usually fatal if untreated?
- The cells remain dormant
- The cells have reduced mobility
- The cells die off rapidly
- The cells invade underlying tissue (correct)
How many people die from cancer globally every year?
How many people die from cancer globally every year?
- 10 million
- 6 million (correct)
- 1 million
- 3 million
What percentage of men are expected to get cancer at some stage of their life?
What percentage of men are expected to get cancer at some stage of their life?
What is the main cause of cancer according to the text?
What is the main cause of cancer according to the text?
Which term best describes the unregulated proliferation of cells causing either a solid tumour or other abnormal conditions?
Which term best describes the unregulated proliferation of cells causing either a solid tumour or other abnormal conditions?
What type of cancer was most common in terms of new cases in 2020?
What type of cancer was most common in terms of new cases in 2020?
Which type of cancer caused the most deaths in 2020?
Which type of cancer caused the most deaths in 2020?
Approximately how many children develop cancer each year?
Approximately how many children develop cancer each year?
Which type of tumor arises from the sciatic nerve?
Which type of tumor arises from the sciatic nerve?
What is the characteristic of the growth rate of benign tumors?
What is the characteristic of the growth rate of benign tumors?
Which term refers to any benign tumor projecting from surface epithelium?
Which term refers to any benign tumor projecting from surface epithelium?
What is the meaning of the term 'Adenoma'?
What is the meaning of the term 'Adenoma'?
'Sarcoma' refers to a malignant tumor of which primary tissue?
'Sarcoma' refers to a malignant tumor of which primary tissue?
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Study Notes
Characteristics of Cancer Cells
- Cancer cells are characterized by unregulated proliferation, causing solid tumors or other abnormal conditions.
Cancer Mortality Rate
- Approximately 10 million people die from cancer globally every year if left untreated.
Cancer Prevalence
- It is estimated that 45% of men will develop cancer at some stage in their life.
Causes of Cancer
- The main cause of cancer is not specified in the text, as it can be caused by various factors.
Types of Tumors
- The term that best describes the unregulated proliferation of cells is neoplasia.
- The most common type of cancer in terms of new cases in 2020 is not specified in the text, but it varies by region and demographic.
Cancer Mortality
- The type of cancer that caused the most deaths in 2020 is not specified in the text, but it varies by region and demographic.
Pediatric Cancer
- Approximately 15,000 to 20,000 children develop cancer each year.
Tumor Types
- A schwannoma is a type of tumor that arises from the sciatic nerve.
- Benign tumors are characterized by a slow growth rate.
- A polyp is a benign tumor that projects from the surface epithelium.
- An adenoma is a benign tumor originating from glandular tissue.
- A sarcoma is a malignant tumor of connective tissue.
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