6. A breeding dog with the history of frequent X-ray exposures is brought to you with clinical signs of fever, Anorexia, diarrhoea and anemia. His semen analysis reveals azoospermia. Suggest a possible reason supporting the clinical evidences with logic. (3)

Q: A clinical technician finds that the activity of a sodium-24 sample is 136 cpm. What will be the…

A:

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: How do you solve for alpha beta and gamma in a dimensional analysis question.

A:

Q: 3. The three categories of exposures are occupational, medical, and public exposures. The dose limit…

A: Medical uses of ionizing radiation involves three categories of exposure:   Medical exposure that is…

Q: Among cobalt-60 and LINAC, which one is best for colon cancer, and why? Explain your answer in…

A:

Q: What happens when beta radiations are passed through amagnetic field?

A: When beta radiations are passed through a magnetic field they will get deflected by the magnetic…

Q: Give three (3) examples of uses of Radioactivity (for example, in medicine, agriculture industry,…

A: Objective: To determine the three examples of uses of radioactivity.

Q: 10.10. A sample of wood from an Egyptian mummy case has a specific activity of 9.41 d/min-g. How old…

A:

Q: 2. Cs-137 source used in mining industry has an activity of 740 MBq as of March 30, 2000. What will…

A:

Q: Explain the most hazardous aspect of the presence of dust contaminated with an alpha emitter to an…

A: Alpha particles have a very low penetrating power. Hence, the human-skin can block the direct alpha…

Q: What would account for the similarities/differences in initial penetrating ability of alpha (e.g…

A: Alpha emission :     If the unstable nucleus has much higher number of neutrons (n) than the number…

Q: 7. The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 22.6%…

A:

Q: The first clue that a person has been exposed to radiation is a change in blood count. Why?

A: Blood cells are the most quick reproducing cells in the body. There is an observation of the nausea…

Q: What characteristics of a material will make it a better absorber of gamma rays?

A: The characteristics of material that will make it a good gamma absorber is high density and high…

Q: TYPE OF RADIOACTIVITY ARE | 1. NATURAL O 2. ARTIFICIAL

A: In this solution, we will discuss the types of radioactivity.

Q: It’s possible that a bone tumor will not show up on an x-ray image but will show up in a gamma scan.…

A: Bone tumor

Q: If 545 g of tissue receives 7 Joules, how many Grays are absorbed?

A: Given: The mass of the tissue is m = 545 g The energy received by the tissue is E = 7 Joules

Q: 1. You are required to perform to perform constancy or precision testing to assure the…

A: The fill ups can be written as,

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: Some types of MRI can produce images of resolution and detail similar to PET. Though the images are…

A: MRI and PET produces image of internal organ but there is some slight difference between both…

Q: 13. After two half-lives, how much of the original sample would remain? 50% 6.25% 12.5% 25%

A:

Q: Which of the following cells has the highest radio-sensitivity O None of the given options O Lung O…

A: cells has high radio sensitivity

Q: Francium-223hasahalf-lifeof21.80min. i.…

A:

Q: Question 8 a) Explain what is meant by “somatic effects” of radiation exposure. b) Explain how the…

A: a) Somatic effects of radiation exposure refer to the biological changes that occur in the body of…

Q: f a vial contains 600 MBq of indium-111 (In-111) at 12:30 (14 June 2014), how much radioactivity…

A:

Q: 17. Calculate the Q-value of the reaction 3Li7(p, α)2He4. Where mLi = 7.01823 amu, mp= 1.008665 amu,…

A: The mass of Li37 is, mLi=7.018 amu×931.5 MeV/c21 amu=6.53×103 MeV/c2. The mass of He24 is, mHe=4.003…

Q: a) in ten days the radioactivity of cerium-141 is reduced by 19.3%. what is the half time?(-…

A: What is the half life of cerium-141?given,Radioactivity decreases by 19.3%time(t)=10 days=8.64×105 s

Q: Distinguish between the effects radiation can have on a general body cell (somatic) and cells that…

A: Radiation can have different effects on total body cells (somatic cells) and cells that make up the…

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: Define the quantities of LET (Linear Energy Transfer), Exposure and Absorbed Dose? What is the…

A: Linear Energy Transfer (LET) is a measure of the amount of energy deposited by ionizing radiation…

Q: You suspect that a patient’s arm is broken. What type of radiation might help you find out

A: To explain : The radiation used to check if patient's arm is broken

Q: Define the term “radioisotope”. b) Define the term “radiopharmaceutical

A:

Q: Questions about noise: (1) In the Dorben Co., an all-day study revealed the following noise sources:…

A:

Q: In case there is a radiation spill and contamination, how will you respond to the said incident?

A: To determine: The response of the radiation spill and contamination.

Q: Cs-137 produces beta-minus particles. What types of interaction are likely to occur if a Cs-137…

A: Given Cs-137 (Cesium 137) a radioactive isotope of cesium produces beta-minus particles. Beta…