Determine what is the dose to the thyroid, Biology

Assignment Help:

1. Compute the mean energy per nuclear disintegration, A, for 99mTC if 2.0 x 109 Bq of this isotope is injected into a patient. Assume that one-half of the administered dose is taken up by the thyroid and that the removal kinetics follow first-order exponential form with a biological half-life of 4 h. What is the dose to the thyroid? Assume for purposes of this problem that the specific absorbed fraction is 0.5 and the thyroid weighs 80 g. Express the dose in gray.


Related Discussions:- Determine what is the dose to the thyroid

Explain the term- latent squint, Explain the term- Latent Squint (Anisophor...

Explain the term- Latent Squint (Anisophoria or Heterophoria) This eye condition occurs when the balance of extra-ocular muscles is altered. There is a tendency of the eye to

Explain about non ionising radiation, Q. Explain about Non ionising radiati...

Q. Explain about Non ionising radiation? Non ionising radiation include infrared and UV rays. Lethal effect is through generation of heat and DNA damage. Penetration is low but

Microscopes, differentiate between scanning electron microscope and a trans...

differentiate between scanning electron microscope and a transmission electron microscope in terms of their functions

Signify the term - proglottids, Signify the term - Proglottids? Seriall...

Signify the term - Proglottids? Serially repeating segment like structures found in tapeworms which contain reproductive organs. Immature proglottids are continually added at t

Explain the process of determination of vitamin C, Determination of vitamin...

Determination of vitamin c Majority of chemical methods of determination is based on the rapid oxidation of ascorbic acid and therefore not too highly specific. Titration of

Measuring biodiversity, Diversity is defined as the no of species present i...

Diversity is defined as the no of species present in a community termed as "species richness". We can represent species biodiversity at different geographical scales as alpha, beta

Define changing trends in dietary intake, Define Changing Trends in Dietary...

Define Changing Trends in Dietary Intake? As a practicing dietician, you must be sensitive to the society as a whole. The fat requirements have been worked out with a premise o

Hormones secreted by the thyroid gland, Q. What are the hormones secreted b...

Q. What are the hormones secreted by the thyroid gland? What are their functions? The thyroid secretes the triiodothyronine (T3), hormones thyroxine (T4) and calcitonin. T3

Define the disc electrophoresis, Define the Disc Electrophoresis? Disc ...

Define the Disc Electrophoresis? Disc electrophoresis has improved resolution and strong bands are obtained. It requires a two-gel system and several different buffers. The run

Carrier based gutta percha removal -therma-fill, Carrier Based Gutta percha...

Carrier Based Gutta percha Removal “therma-fill” If the cone the carrier is metal and has cutting flutes that are engaging lateral dentin the instrument retrieval system (IRS)

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd