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)?
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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…
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A: absorbed dose rate is the amount of radiation energy absorbed by the tissue. Therefore absorbed…
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 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 large power reactor that has been in operation for some months is turned off, but residual…
A: Power ( P ) = 135 MW Average energy per decay = 1.04 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: A 85 kg patient swallows a 31 μCi beta emitter with a half-life of 5.0 days, and the radioactive…
A: Given data: The mass of the patient is m=85 kg. The radiation is R=31 μCi. The half-life is…
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A: The objective of the question is to determine when the Co-60 in a radiotherapy unit will need to be…
Q: A 50 kg nuclear plant worker is exposed to 20 mJ of neutron radiation with an RBE of 10. What is the…
A: The expression to solve for the dose of the neutron radiation is as follows:…
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Q: A person exposed to fast neutrons receives a radiation dose of 300 rem on part of his hand,…
A: a) The expression for find absorbed radiation is Rab=EeqRBE Here, Rabis absorbed radiation and Eeqis…
Q: Which of the following radioactive doses would deliver the most energy to a patient? Dose A delivers…
A: Given;- A delivers 6 mrad with an RBE of 3, dose B delivers 9 mrad with an RBE of 2, and dose C…
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A: Given data: Working rate = 5 days/week Per year working rate = 50 weeks/yr Number of per day taken…
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: Patient 1 received an accidental radiation dose of 0.932 J/kg from slow neutrons with RBE = 4.31.…
A: Deq=D×RBE
Q: 85Sr is a short-lived (half-life 65 days) isotope used in bone scans. A typical patient receives a…
A: The activity of 85Sr isotope at the time, when it is given to a patient, A0 = 0.10 mCi The half-life…
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: Problem 7. The obsolete unit, the roentgen (R), is defined as 2.08 x 10⁹ ion pairs produced in…
A: To determine the absorbed dose corresponding to 1 R, we first need to find the energy absorbed per…
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 small region of a cancer patient’s brain is exposed for 24.0 min to 475 Bq of radioactivity from…
A: Given: To find the dose in rads with the given values as,
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 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: Strontium-90 from the testing of nuclear bombs can still be found in the atmosphere. Each decay of…
A: The amount of nuclei initially absorbed is
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: radioactive source of a single nuclide emits 2.4 MeV neutrons at the rate of 2400 neutrons per…
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Q: A 73.0 kg person experiences a whole-body exposure to alpha radiation with energy of 1.50 MeVMeV. A…
A: Given problem is based on the dosimetry. Absorbed dose is defined as, the amount of energy deposited…
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: An average adult body contains about 0.10 pCi of K, which comes from food. (a) How many decays occur…
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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,…
Q: photons into 10
A: The photon energy is given as, E=hcλE=6.626×10-24 ×3×108 J0.025×10-9
Q: Answer the following questions about the radiochemistry involved in PET scans. All answers are…
A: To explain the correct answer is given below.
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