How to Save Frankenpaw

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Transcript of How to Save Frankenpaw

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Radiotherapy is a type of treatment that

destroys the DNA of cancer cells by using

penetrating gamma rays or streams of particles.Radiotherapy radiates the part of the body

where the tumor is located in order to destroythe DNA, the radiation will either kill the cancer 

cell or stop it from multiplying. Since the intactDNA is required for the cancer cell to continue

to survive radiotherapy cures the patient of

Cancer.

What is it?

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Pros: Radiotherapy is painless

External radiation won'tmake the pet radioactive

Following surgery,radiotherapy can destroyany remaining cancer 

cells around the site of thetumor that surgery couldnot remove.

Pros and Cons

Cons: Radiation treatment has been

linked to increased risk of

developing a second cancer in the years after receivingradiation therapy

Skin in the treated area maybecome sensitive and easily

irritated

Can cause problems withtissues, glands or organs near the site of the treatment

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It’s a kind of cancer treatment that involves

taking certain kinds of drugs, such as alkylatingagents, antimetabolites, anthracyclines, andtopoisomerase inhibitors, that interfere with theDNA of fast growing cells. They are typically

given to patients through an IV, but can alsobe given orally or through direct infusion into alimb or the liver.

What is it?

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Pros and Cons

Pros: Many doctors have

successfully slowed

cancer cells by usingchemotherapy after atumor has beensurgically removed .

Chemotherapy drugsare cytotoxic, whichmeans they kill the cellsin the body that aremultiplying rapidlywhich is how most

cancer cells perform.

Cons:  Chemotherapy kills any

dividing cell including

healthy cells all over the body caught in theact of dividing.

It is only effective in 2 to

4 percent of cancers

For people who havehealthy cell division,you may end up killingyour body before you

kill the cancer.

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Cancer surgery is an operation to repair 

or remove a part of someone's body inorder to treat cancer. The purpose of thesurgery is to cure the Cancer byremoving it from your body. This is done

by cutting into your body and removingthe cancer along with some surroundinghealthy tissue to ensure that all of thecancer is removed.

What is it?

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Pros: Surgery can be done

for many reasons and is

able to treat a widevariety of cancers

It is the oldest form oftreatment and provides

the greatest chance for curing cancer,especially in peoplewhere it has not spreadto other parts of thebody

Cons: If the cancer has

spread to a certain partof the body it can not

be removed without

damaging vital organs

such as the brain or the

liver 

Wound infection

and/or excessive

bleeding after surgery

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Is a type of chemistry involving changes

in the atomic nucleus. It includes:transmutation, radioactive, artificial, andnatural decay, half lives, balancingnuclear equations, nuclear reactions,

electromagnetic radiation, the atomicmodel and of course nuclear radiation.

What is it?

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Radiation- a general term for any type of energythat emanates or radiates outward

Electromagnetic radiation (ER)- radiation movingat the speed of light, ranging from high-energygamma rays to low energy radio waves; includesvisible light

Ionizing radiation- radiation with sufficient energyto ionize atoms or molecules

Nuclear reactions- involve changes in particles inan atom’s nucleus and thus cause a change in theatom itself.

Isotope- atoms of the same element havingdifferent numbers of neutrons and therefore a

different mass number and atomic mass

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Nuclear radiation- Particles of ER emitted from anucleus during radioactive decay

Half-Life- time needed for decay of one-half theatoms in a sample of radioactive material

Nuclear Fission- the process in which a heavynucleus splits in order to form medium weightnuclei

Nuclear Fusion- the process in which light weightnuclei combine to form a heavier, more stablenucleus

Transmutation- change in the identity of a nucleusbecause of a change in the number of its protons

Radioactive isotope- an isotope with an unstablenucleus that undergoes radioactive decay

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There are three kinds of transmutation:Alpha, Beta, and Gamma.

Alpha= helium nucleus ( )Ex)

Bata= electron ( )

Ex) Gama= form of high- energy ER ( )

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Nuclear power/weapons

Ground and buildings

Weapons Cosmic Rays

Food and Drink 

Medical Radon Gas

Air travel

Smoking

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Hair loss

Loss of brain cells

Thyroid Cancer  Blood cell count reduced

Damage to small blood vessels

Damage to the reproductive tract

Damage to the Gastrointestinal Tract

Mutations

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Artificial Decay –  

(used during fission reactions)

Natural Decay- 3719K → 37

18Ar + 0+1e

(used during fusion reactions)

24195Am + 4

2He → 210n + 243

97Bk 

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# of Half Lives Mass Time Fraction still

radioactive

% still

radioactive

0 1 100%

1 1/2 50%2 1/4 25%

Use this table to calculate half-life:

Ex: The half live of a certaint radioactive element is 800 years. How oldis an object if only 12.5 percent remains? (answer: 3200 years old)

Half Lives Mass Time Fraction %

0 0 1 100%

1 800 1/2 50%

2 1600 1/4 25%

3 3200 1/8 12.5%