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mpuscruiser.com/q?pg -assessment playbackeko 22.154 23.2573906Basid 597 36acmd-sunchauw ssus316HATTTTsan revent losing data, please avoid refreshing or closing the browser. cer Biology Time remaining 49 min 41 sec a) 1. What is the difference between a malignant and benigntumo? A. A malignant tumor proliferates in defiance of normal constraints, whne a benign tumor does not B, A malignant tumor invades and colonizes other tissues, while a benign tumor does not c. A benign tumor can be treated while a malignant tumor cannot be treated b) 2. Most cases of cervical cancer is caused by a viral infection. A. True

Explanation / Answer

Q1.What is the difference between malignant and benign tumor?

Answer: B- Malignant tumor invades and colonizes other tissues, while a benign tumor does not

Q2. Most cases of cervical cancer is caused by a viral infection

Answer: A -True

Explanation: it is caused by human papillomavirus

Q3. Which of the following is responsible for most cancer cases?

Answer: A- Tobacco smoke

Explanation: Approx 33% of cancer cases are caused by tobacco, followed by obesity 20% and diet 5%, Lack of exercise 5%, Virus 5% and occupation 5%.

Q4. Cancer is fundamentally which type of disease?

Answer: A – Genetic disease

Explanation: Cancer is fundamentally a genetic disease caused by alteration of tissue growth regulation. A normal cell to transforms to a cancer cell due to the genes that regulate cell growth and differentiation are altered.

Q5. How many mutations are required for a normal cell to turn into a cancer cell?

Answer: D – More than 3

Explanation: It takes many mutations from a normal cell to turn into a cancer cell, for example of colon cancer requires 15 driver mutations and 60 passenger mutations.

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