photons into 10
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: Gamma rays may be used to kill pathogens in ground beef. One irradiation facility uses a 60Co source…
A: The total amount of energy of gamma rays per beta decay of 60Co can be given as, Here, ε represents…
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 75 kg patient is given a bone scan. A phosphorus compound containing the gamma-emitter 99TC is…
A: Given that,Mass of patient : m = 75 (kg)Here we need to find the total energy deposited in the…
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: Calculate the current produced when alpha particles (10 MeV) pass through a gas in ionization…
A: rate of particles = 600 particles / h = 600 /3600 particles/ second = 1/6 particles/ second We…
Q: Calculate the radiation dosage (in rads.) for an 77-kg person that is exposed for 6 .0 seconds to a…
A: The energy released in the form of beta radiation is
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: using
A:
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: The small intestine has a mucus layer approximately 200 um thick. A worker accidentally ingests a…
A: It is observed that a 5.5 MeV alpha particle can be stopped by a 40 um thick human tissue. In 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,…
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…
Q: A 70-kg researcher absorbs 4.5 × neutrons in a work day, each of energy 1.2 MeV. The relative…
A: Given: Mass of researcher is m=70kg. Researcher absorbs in a day is n=4.5×108. Energy of each…
A 0.025 nm X-ray source deposits 30 million photons into 10 grams of tissue. What is the absorbed dose in the tissue (in Gy)? What is the
dose equivalent (in Sv)?
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- A chest x ray uses 10 keV photons. A 60 kg person receives a 30 mrem dose from one x ray that exposes 25% of the patient’s body. How many x-ray photons are absorbed in the patient’s body?A. 8.5 Gy 40. What is the effective dose to the bladder of a person who has received an electron beamn dose of 170 mGy? B. 8.5 mGy C. 8.5 Sv D. 8.5 mSv 41. A patient received a full-body x-ray dose of 150 mGy, a proton dose of 40 mGy, and an alpha particle dose of 30 mGy. What was the effective dose to this patient's red bone marrow? A. 2.8 mSv В. 100 mSv C. 26 mSv D. 830 mSv 42. A patient received a full-body gamma ray dose of 26 rad, a neutron dose (22 MeV) of 88 rad, and a proton dose of 54 rad. What was the effective dose to A. 29 mGy В. 29 гem this patient's liver? C. 29 mSv D. 29 mremA radiopharmaceutical is labeled with an activity of 480 mCi on April 1 at 6:00am. What is the activity of the formulation in mCi at 6:00am on April 10? The half life of the radioisotope is 8.10 days. Report to the nearest tenth, number only. λ=2.303/t (logN0/N)