Question

What are Carcinogens. Give two examples of physical and chemical carcinogens. ​

Answer 1

Here is ur ans..

ᴀ ᴄᴀʀᴄɪɴᴏɢᴇɴ ɪꜱ ᴅᴇꜰɪɴᴇᴅ ᴀꜱ ꜱᴏᴍᴇᴛʜɪɴɢ ᴛʜᴀᴛ ᴄᴀɴ ᴅɪʀᴇᴄᴛʟʏ ᴄᴀᴜꜱᴇ ᴄᴀɴᴄᴇʀ. ᴛʜɪꜱ ᴄᴀɴ ʙᴇ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ꜱᴜʙꜱᴛᴀɴᴄᴇ, ᴀ ᴠɪʀᴜꜱ, ᴏʀ ᴇᴠᴇɴ ᴛʜᴇ ᴍᴇᴅɪᴄᴀᴛɪᴏɴꜱ ᴀɴᴅ ʀᴀᴅɪᴀᴛɪᴏɴ ᴡᴇ ᴜꜱᴇ ᴛᴏ ᴛʀᴇᴀᴛ ᴄᴀɴᴄᴇʀ.

EXAMPLES

PHYSICAL: Hard and Soft Materials,Fibers,Asbestos

CHEMICAL: alpha particles,certain dioxins, and tobacco smoke.

Answer 2

Explanation:

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ᴄᴀɴᴄᴇʀ ɪs ᴀɴ ᴀʙɴᴏʀᴍᴀʟ ᴀɴᴅ ᴜɴᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴍᴜʟᴛɪᴘʟɪᴄᴀᴛɪᴏɴ ᴏғ ᴄᴇʟʟs ʀᴇsᴜʟᴛɪɴɢ ɪɴ ᴛʜᴇ ғᴏʀᴍᴀᴛɪᴏɴ ᴏғ ᴛᴜᴍᴏʀ (ᴍᴀssᴇs ᴏғ

ᴄᴇʟʟs).

x ɴᴏʀᴍᴀʟ ᴄᴇʟʟs sʜᴏᴡ ᴀ ᴄᴏɴᴛᴀᴄᴛ ɪɴʜɪʙɪᴛɪᴏɴ (ᴄᴏɴᴛᴀᴄᴛ ᴡɪᴛʜ ᴛʜᴇ ᴏᴛʜᴇʀ ᴄᴇʟʟs ɪɴʜɪʙɪᴛs ᴛʜᴇɪʀ ᴜɴᴄᴏɴᴛʀᴏʟʟᴇᴅ ɢʀᴏᴡᴛʜ).ᴄᴀɴᴄᴇʀ ᴄᴇʟʟs ᴅᴏ ɴᴏᴛ ʜᴀᴠᴇ ᴛʜɪs ᴘʀᴏᴘᴇʀᴛʏ.

ᴄᴀᴜsᴇs ᴏғ ᴄᴀɴᴄᴇʀ (ᴄᴀʀᴄɪɴᴏɢᴇɴs)

(ᴀ) ᴘʜʏsɪᴄᴀʟ ᴀɢᴇɴᴛs : ᴇ.ɢ. ɪᴏɴɪᴢɪɴɢ ʀᴀᴅɪᴀᴛɪᴏɴs ʟɪᴋᴇ x-ʀᴀʏs ᴀɴᴅ ɢᴀᴍᴍᴀ ʀᴀʏs ᴀɴᴅ ɴᴏɴ-ɪᴏɴɪᴢɪɴɢ ʀᴀᴅɪᴀᴛɪᴏɴs ʟɪᴋᴇ ᴜᴠ.

(ʙ) ᴄʜᴇᴍɪᴄᴀʟ ᴀɢᴇɴᴛs : ᴛᴏʙᴀᴄᴄᴏ sᴍᴏᴋᴇ (ᴍᴀᴊᴏʀ ᴄᴀᴜsᴇ ᴏғ ʟᴜɴɢ ᴄᴀɴᴄᴇʀ), ᴠɪɴʏʟ ᴄʜʟᴏʀɪᴅᴇ, ᴄᴀғғᴇɪɴᴇ, ɴɪᴄᴏᴛɪɴᴇ, ᴍᴜsᴛᴀʀᴅ

ɢᴀs, ᴇᴛᴄ.

(ᴄ) ʙɪᴏʟᴏɢɪᴄᴀʟ ᴀɢᴇɴᴛs : ᴇ.ɢ. ᴏɴᴄᴏɢᴇɴɪᴄ ᴠɪʀᴜsᴇs, ᴄᴇʟʟᴜʟᴀʀ ᴏɴᴄᴏɢᴇɴᴇs (ᴄ-ᴏɴᴄ ᴏʀ ᴘʀᴏᴛᴏ ᴏɴᴄᴏɢᴇɴᴇs), ᴇᴛᴄ. ᴡʜᴇɴ ᴄ-ᴏɴᴄ ɪɴ ɴᴏʀᴍᴀʟ ᴄᴇʟʟs ɪs ᴀᴄᴛɪᴠᴀᴛᴇᴅ ᴛʜᴇ ᴄᴇʟʟs ʙᴇᴄᴏᴍᴇs ᴏɴᴄᴏɢᴇɴɪᴄ.