If the absorbed dose to a nuclear worker were 0.1 rads from neutrons of unknown energy and 0.3 rads from gamma ravs. what is the worker's dose equivalent (equivalent dose)?

Q: A drug prepared for a patient is tagged with 4399Tc, which has a half-life of 6.05 h. The dose…

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Q: The dosage of technetium-99m for a lung scan is 20. µCi /kg of body mass. How many millicuries of…

A: Given the dosage of technetium-99m for a lung scan is 20. µCi /kg of body mass. - How many…

Q: A 9.0Ci Ir-192 source (half-life = 73.8 days) was installed in a high dose rate brachytherapy…

A: Given: Activity of sample = 9 Ci Half life of sample = 73.8 days

Q: what is the dose rate deposited per gram of water from alpha decay of 1mCi 226-Ra (branching ratio…

A: Activity (A ) = 1mCi = 1 x 10-3 Ci Energy per Decay, E1 = 4.78 MeV Energy per Decay E2 = 4.59 MeV…

Q: A thyroid cancer patient is given a dosage of 131I (half-life = 8.1 d). What fraction of the dosage…

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Q: Co-60 is a strong gamma emitter that is used in radiotherapy units and must be replacedwhen its…

A: The objective of the question is to determine when the Co-60 in a radiotherapy unit will need to be…

Q: Question 6. At Canadian Light Source, a synthetie radioisotope is freshly prepared. The initial…

A: Given: The initial activity of synthetic radioisotopes is A0 = 10 mCi The activity changes after t =…

Q: A radioactive contaminant gives an unfortunate 0.5 kg lab rat a dose of 1500 rem in just 1 minute.…

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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: You do Brachytherapy using 130 capsules filled with 137Cs with a half-life of 30.2y that emits 662…

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Q: An x-ray technician works 5 days per week, 50 weeks per year. (Assume that the technician takes an…

A: Given data: Working rate = 5 days/week Per year working rate = 50 weeks/yr Number of per day taken…

Q: Patient 1 received an accidental radiation dose of 0.932 J/kg from slow neutrons with RBE = 4.31.…

A: Deq=D×RBE

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: A synthetic radioisotope is freshly prepared in a lab that has an activity of 10.0 mCi. If the…

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Q: A lab worker reports an activity of 80,000 counts/scounts/s for a sample of magnesium-21, whose…

A: The objective of the question is to understand the reason behind the drastic decrease in the…

Q: What is the dose in Sv in a cancer treatment that exposesthe patient to 200 Gy of γ rays?

A: The expression for the required dose in SV is,

Q: 131I is a Beta - emitter used as a tracer for radioimmunoassay in biological systems. (a) Write the…

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Q: We use a Geiger counter to measure the YT, the total yield (in counts) due to a radioactive source…

A: Given that: Total yield=YTBackground Yield=YBWhether true or false:The uncertainty (σ) in the…

Q: A 228Th source is labeled 1.50 mCi, but its present activity is found to be 3.47 ✕ 106 Bq.   (a)What…

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Q: Technetium-99 m has a half life of 4.8 hours. If a patient receives a dose with an activity of 60.2…

A: Given data :          Half life (t1/2) = 4.8 hours          Dose received (N0) = 60.2 mCi…

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: A point source of gamma radiation has a half-life of 45.0 minutes. A Geiger counter placed 3.00m…

A: We need two fomulas to solve this problem   1.  If N0 is the no. of gamma rays emerges from a source…

Q: (Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32P (T/2 = 14.3 days) is delivered…

A: GIven: 20μCi of P32  Half time, t12=14.3 days 70 kg Biological half-life, 19 days…

Q: In one year, a man working with radioactive materials receives a dose of 7.8 mGy to his lungs from…

A: (a) The equivalent dose absorbed by lungs from alpha radiation can be determined as, Here, HL, Wα…

Q: A. 1.8 Sv 43. A patient received a full-body electron dose of 240 mGy, a neutron dose (1 MeV) of 43…

A: Effective dose is used to assess the potential for long-term effects that might occur in the future.…

Q: Explain what is meant by the binding energy of a nucleus. Using the following data calculate the…

A: Given data: Mass of proton is, mp = 1.00720 u Mass of neutron is, mn= 1.00867 u The atomic mass of…

Q: If a 72-kg person absorbed an equivalent dose of 1.36 mSv of radiation with the RBE of 3.0, what was…

A: The equivalent dose of the absorbed radiation is given to be 1.36 mSv Let E=1.36 mSv=1.36×10-3 Sv…

Q: photons into 10

A: The photon energy is given as, E=hcλE=6.626×10-24 ×3×108 J0.025×10-9

Q: A radiation worker works four hours per day, 4 days/week, 40 week per year receives 0.2 mrad/h…

A: Given: A radiation worker works four hours per day,4 days/week. 40 week per year receives 0.2 m…