3. When the whole body is evenly exposed to 10 mGy of gamma-ray radiation, find tissue- weighted dose equivalents HT for gonads, breast, red bone marrow, lungs, thyroid and bone surfaces. Express the answer in Sievert and rem.

Q: A particular radioactive source produces 144 mrad of 1-MeV gamma rays per hour at a distance of 1.0…

A: Given data: The dose in rad is, Dr= 144 mrad= 0.144 rad in one hour In t hours dose is, D= 1 rem…

Q: A gamma scan showing the active volume of a patient’s lungs can be created by having a patient…

A: Given: The dose is 3.0 mSv. The mass of lung is 1.2 kg.

Q: A cobalt-60 source with activity 2.6 *10^-4 Ci is embedded in a tumor that has mass of.0.20kg. The…

A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you…

Q: Radioactive indium-111 has an effective half-life of 2.5 days.If a dose with an activity of 3.0 mCi…

A:

Q: A beam of 168-MeV nitrogen nuclei is used for cancertherapy. If this beam is directed onto a…

A: The equation for the number of nitrogen nuclei that were stopped is given by,

Q: 14. A cancer patient received a gamma-ray dose of 0.1 Gy and a proton dose of 200 mGy. What was the…

A: Solution: The equivalent dose of the gamma-ray dose and the proton dose is given by the following…

Q: 15. An 85 kg person was exposed to a gamma source and received a whole body dose of 0.5 Sv. How much…

A: The dose equivalent is given by

Q: A cobalt-60 source with activity 2.60×10-4 Ci is embedded in a tumor that has mass 0.20 kg. The…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for…

Q: 13. A radiation worker stands 50 cm away from a radioactive source of 25 mCi "Co. Calculate the…

A: The given values are,

Q: A 1.90-kg tumor is being irradiated by a radioactive source. The tumor receives an absorbed dose of…

A: Step 1:Given, the mass of the tumor is m=1.90 kg,the absorbed dese is AD=18.0 Gy=18.0×1.0J/kg=18.0…

Q: A person is to work in a mixed field consisting of 5mGy/h of gamma radiation, 1.0 mGy/h of beta…

A: The ICRP standard for the whole body is 500 mSv.

Q: If meat is irradiated with 2523.0 Gy of x-rays, most of the bacteria are killed and the shelf life…

A: Mass of substance is Heat energy used for mass is Specific heat capacity of water is Find:The…

Q: It’s possible that a bone tumor will not show up on an x-ray image but will show up in a gamma scan.…

A: Bone tumor

Q: An 85 kg radiation worker accidently ingest 1.0 mg of Po211. Assume that Po211 resides in the body…

A: The half life of Po211 is T1/2 =0.516 seconds, so the decay constant λ is given by,…

Q: A 65 kg person undergoing a series of X-rays receives a dose of 12 rem. (a) What dose does he…

A:

Q: A certain biological sample is given a dose of 7.50 rad from alpha particles. (WR = 20) Calculate…

A: Given :- a dose of 7.50 rad from alpha particles WR = 20 Equivalent dose HT  = absorbed dose * WR =…

Q: a) A patient receives an absorbed dose of 0.045 mGy of alpha radiation. The radiation weighting…

A: 1. a) Given, Absorbed Dose = 0.045 mGy radiation weighting factor = 20 Therefore, Dose in Sv =…

Q: 71 A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 Mey photons 35% of the…

A:

Q: A cobalt 60 source with activity 2.60 x 10^4 ci is embedded in a tumor that has mass 0.20kg.The…

A:

Q: Calculate the radiation dosage and grace for a 57-kg person Who is exposed for 8.0 as to a 3.0 Ci…

A:

Q: A 7. A saline solution of 24Na with an activity of 300 kBq is injected into the bloodstream of one…

A: The objective of the question is to calculate the patient's blood volume using the given activity of…

Q: III. In a neutron plus gamma-ray radiation field, a TE ionization chamber registers a dose-rate of 5…

A: In this question we are given that in a neutron plus gamma-ray radiation field, a TE ionization…

Q: a) A patient receives an absorbed dose of 0.045 mGy of alpha radiation. The radiation weighting…

A: a. Given Absorbed dose Dα     = 0.045 mGy of α-radiation = 0.045×10-3 Gy Weighting factor WR = 20 b.…

Q: Assume that a full CT scan of the spinal cord (columna vertebralis) of a patient delivers an…

A: The objective of this question is to calculate the total number of X-rays necessary to deliver a…

Q: A man has been exposed to 1 mGy each of alpha, beta and gamma radiation from a source outside his…

A: Given, Absorbed dose, Hb=1mGy The radiation weighting factor for, Alpha particle, Wα=20 Beta…

Q: A radiation worker stands 50 cm away from a radioactive source of 25 mCi 57Co. Calculate the…

A: Exposure rate

Q: 5. The capture cross section ơ̟ of >ºCo for thermal neutrons is 37 b. (а) 5°CO (p = 8.9 x 10° kg.m3)…

A:

Q: In an industrial accident a 65 kg person receives a lethal whole-body equivalent dose of 5.4 Sv from…

A: Given that,Mass of the person = 65 kgAs we know that,The formula for equivalent dose can be given as…

Q: 38. A patient receives an x-ray dose of 200 mGy, a 20-keV neutron dose of 70 mGy, and a proton dose…

A: 38. The radiation weighting factor of neutron, proton, and x-Ray, wn=10wp=2wx=1 The whole body…

Q: A cobalt-60 source with activity 2.60×10-4 Ci is embedded in a tumor that has mass 0.20 kg. The…

A: Since there are five more questions and few questions have multiple sub-parts. we will solve the…

Q: A 75 kg patient swallows a 30 mCi beta emitter with a halflife of 5.0 days, and the radioactive…

A: The number of radioactive nuclei did the patient swallowed be calculated as,…