Technetium-99 m has a half life of 4.8 hours. If a patient receives a dose with an activity of 60.2 mCi of Technetium 99 for cardiac imaging how much radioactivity will be left in the patients body 48 hours after injection?

Technetium-99 m has a half life of 4.8 hours. If a patient receives a dose with an activity of 60.2 mCi of Technetium 99 for cardiac imaging how much radioactivity will be left in the patients body 48 hours after injection?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Nuclear Physics

Section: Chapter Questions

Problem 9OQ

See similar textbooks

Related questions

Q: A certain radio active substance has half-life of 38 hours. The value of k is 0.01823684211 and it…

Q: 2. If the recommended effective dose in the lab is 500 µSv per week, find the time has been expended…

A: Given that:- Q=500 μSv=500×10-6 SvR=100 nSv/hr=100×10-9 Sv/hrt=?

Q: A drug tagged with 4399Tc (half - life = 6.05 h) is prepared for a patient. If the original activity…

A: Formula to calculate the activity of the drug after 2.0 h is,

Q: Suppose one food irradiation plant uses a 137 Cs source while another uses an equal activity of 60…

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 point source of radioactive material produces a dose rate of 100 Gy/hr at 1 meter from the source.…

Q: A small region of a cancer patient’s brain is exposed for 24.0 min to 475 Bq of radioactivity from…

A: Given data: Time t=24 min =1440seconds Emission rate =475 Bq Amount of dose =1.858g=0.001 Energy E=…

Q: How many Gy of exposure is needed to give a canceroustumor a dose of 40 Sv if it is exposed to α…

Q: A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register…

Q: What is the half-life, t½, (in hr) when the concentration was 100 mg/L?

A: The concentration is decreasing at rate of 10mg/L/hr .

Q: hromium-51 is used in imaging red blood cells and has an effective half-life of 27 days. If a dose…

A: Given: The half-life time of the red blood cell is 27 days. The initial activity is 24 μCi. The…

Q: A radiation worker received a gonad dose 25 mGy over the year. If 100% of dose was from x-ray what…

A: H=WD where, H is the equivalent dose in sieverts (Sv). D is the absorbed dose in grays (Gy). W is…

Q: A person with lymphoma receives a dose of 35 Gy in the form of γ radiation during a course of…

A: a) The energy absorbed is given by, b) It is given that the energy absorbed is 1% of the total…

Q: Technetium-99 is an unstable isotope. Given a half-life of 8.01 hours, what is the activity (in…

A: Determine the decay constant.

Q: If the absorbed dose is 50 rad and Q is 10. What is Dose equivalent in rem and Sv

A: Given Absorbed dose= 50 rad= 0.5 Gy Q=10

Q: A radiation worker stands 35 cm away from a radioactive source of 30 mCi (11.1 GBq) 99mTc (?? for…

A: The equation of exposure rate is given as,

Q: If a vial contains 600 MBq of iodine-123 (I-123) at 12:30 (14 June 2019), how much radioactivity…

A: It is given that

Q: A 65.0 kg laboratory worker is exposed to 12.0 mJ of beta radiation with RBE = 1.5. Part A What is…

Q: What is the dose in mSv for 1.5 mGy of α exposure?

A: The energy radiation for α exposer is 20RBE,

Q: What is the activity in Ci of a 2.6 mg sample of 3H? VE ΑΣΦ Ro = What is the activity in Bq of a 2.6…

Q: The activity of 14C14C in a 70 -kg-kg human body is estimated to be 3.7 kBqkBq . What is this…

Q: (a) A 10 g tumour is irradiated with high energy gamma-rays and absorbs a total of 0.5 J of energy.…

A: a) The absorbed dose is found using the equation,

Q: . (a) A 10 g tumour is irradiated with high energy gamma-rays and absorbs a total of 0.5 J of…

A: The absorbed dose of the energy by a 10g tumour can be calculated as

Q: Cs- 137 source used in mining industry has an activity of 740 MBq as of August 14, 2017. What will…

A: The formula of the radioactivity is given by R = Ro e-0.693 tT where, T is the half life, R is the…

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: Lead shield that is 0.27 mm thick is equivalent to 1 HVL. How thick should the lead shield be if the…

A: Lambert's law states that the intensity of the radiation (I) falls exponentially as the thickness…

Q: A person working with several nuclear isotope separation processes for a two-month period receives a…

A: In the given question , We have to determine the total effective dose in rem.

Q: The half-life of iodine-131 is 8 days. How long does it take for the initial activity of 4500 kBq /…

A: half life of iodine 131 = 8 days Initial activity (Ao) = 4500 kBqm3Final activity (A) = 65 kBqm3

Q: Find the radiation dose in Gy for: 50 mSv of skin exposure by an emitter.

A: We have to find the radiation dose in Gy for: 50 mSv of skin exposure by an emitter.

Q: Explain why 231-Th-90 is likely to be a beta minus emitter

A: Why 231-Th-90 is likely to be a beta minus emitter.

Q: A beam of gamma rays passes through 4x10-3 kg of air and produces 1.7x1012 ions. What is the…

A: we have mass M=4 x 10-3kg charge=1.7x1012x1.6x 10-19C=2.72x10-7C

Q: technetium half life is 4.8 hours. If a patient receicves a dose with an activity of 35.9 mCi of…

A: Half life of technetium (t1/2) = 4.8 hours Initial activity (Ao) = 35.9 mCi

Q: The linear attenuation coefficient for 2.0-MeV gamma rays in water is 4.9 m-1 and 52 m-1 in lead.…

Q: A laboratory rat is exposed to an alpha-radiation source whose activity is 14.3 mCi.The rat has a…

A: Given : A = 14.3 mCi = 0.0143 Ci m = 385 g = 0.385 kg t = 14 s E = 9.12 × 10-13 J

Q: Technetium-99m is very useful in diagnostic imaging since it has a short effective half-life of 4.8…

A: 1 Ci = 3.7 × 1010 decay/s Initial activity = 41.6 mCi Half life T1/2 = 4.8 hrs Total time t = 72…

Q: The radionuclide 32P (T1/2 = 14.28 d) is often used as a tracer to follow the course of biochemical…

Q: A plumber at a nuclear power plant receives a wholebody dose of 30 mSv in 15 minutes while repairing…

Q: Which of the following would be used to perform a survey of an area in which a small amount of…

A: There are different types of detectors, their use is mainly dependent upon range and sensitivity.…

Q: A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a ß¯ emitter with a…

A: Formula to calculate the number of electrons emitted is,

Q: RBE is defined as the ratio of the-6 doses required by two radiations to * .cause the same level of…

A: RBE is an abbreviation used for Relative Biological Effectiveness.

Q: Radiation from a point source obeys the inverse-square law. If a Geiger counter 1 m from a small…

Q: A tissue is exposed to a 300O rad dose of beta rays. What is the energy absorbed by the tissue? You…

A: Absorbed dose (A) = 300 rad Using 1 rad = 0.01 gray A = 300×0.01 gray A = 3 gray Mass of tissue (m)…

Q: Calculate the dose in Sv to the chest of a patient given anx-ray under the following conditions. The…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Calculate the dose in Sv to the chest at a patient given an xray under the following conditions. The xray beam intensity is 1.50 W/m2, the area of the chest exposed is 0.0750 m2 35.0% of the xrays are absorbed in 20.0 kg of tissue, and the exposure time is 0.250 s.
What is the dose in mSv for: (a) a 0.1 Gy xray? (b) 2.5 mGy of neutron exposure to the eye? (c) 1.5 mGy of exposure?
How many Gy of exposure is needed to give a cancerous tumor a dose of 40 Sv if it is exposed to acfivity?
What time interval elapses while 90.0% of the radioactivity of a sample of 3372As disappears as measured by its activity? The half-life of 3372As is 26 h.
Find the radiation dose in Gy for: (a) A 10mSv fluoroscopic xray series. (b) 50 mSv of skin exposure by an emitter. (c) 160 mSv of and rays from the 40K in your body.
Find the radiation dose in Gy for: (a) A 10-mSv fluoroscopic X-ray series, (b) 50 mSv of skin exposure by an a emitter, (c) 160 mSv of and rays from the 40K in your body.
If a patient receives a dose with an activity of 37.5 mCi of technetium-99m for cardiac imaging, how much radioactivity will be left in the patient’s body 72 hours after injection?
Technetium-99m is very useful in diagnostic imaging since it has a short effective half-life of 4.8 hours. If a patient receives a dose with an activity of 41.6 mCimCi of technetium-99m for cardiac imaging, how much radioactivity will be left in the patient’s body 72 hours after injection?
technetium half life is 4.8 hours. If a patient receicves a dose with an activity of 35.9 mCi of technetium for cardiac imaging how much radioactivity will be left in the patient's body 96 hours after injection?
A radiation worker received a gonad dose 25 mGy over the year. If 100% of dose was from x-ray what is the equivalent dose ? a) 25 mGy b) 25 msv
What is the effective dose received by the prostate gland for an external source in a case where the absorbed dose is 760 J/kg and the radiation is in the form of beta particles. The tissue weighting factor for prostate gland tissue is 0.05.
A thyroid cancer patient is given a dosage of 131I (half-life = 8.1 d). What fraction of the dosage of 131I will still be in the patient's thyroid after 72.9 days? (Let N0 and Nf represent the initial dose and the amount left after 72.9 days, respectively. Enter your answer as a fraction.)