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: 15. The PHQ-2 was then implemented in Warwick, where the prevalence of depression was 6%. How would…
A: INTRODUCTION:- The PHQ-2 inquires about the frequency of depressed mood and anhedonia over the past…
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: Calculate the dose in Sv to the chest of a patient given an x-ray under the following conditions.…
A: Given that,The intensity of x-ray beam (I) = 1.50 W/m2The area of the chest exposed (A)= 0.0750…
Q: A 2.0-cm-tall object is 20 cm to the left of a lens with a focal length of 10 cm. second lens with a…
A: Height of the object, Object distance, to the left of the first lens.The focal length of the first…
Q: Iodine-120 has a half life of 1.35 hours. If you start off with a sample which has an activity of…
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: In preparation for an MRI scan, why are patients advised to remove sunglasses, jewellery, watches…
A: MRI is the image formed with help of magnetic resonance process. It use strong field of magnet and…
Q: Calculate the activity of a pure 9.5-μgμg sample of 32 over 15P (T1/2=1.23×106s).
A: Mass of sample (m) = 9.5 ×10-6 grams Molecular mass of P-32 = 32 grams Half life (T1/2) = 1.23×106…
Q: 3. A hot particle resided on the skin of a worker at a US NRC licensed facility for 24 hours and was…
A: The equivalent Dose is given by the formula D=A×k×twher A is the activityk is the conversion factort…
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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: 131 I is given to a patient for use in a diagnostic procedure on her thyroid. Part A What percentage…
A: We know that, half life of iodine is approximately 8 days. So, T1/2 = 8 days. Now, T1/2 = 0.693λ or,…
Q: A batch of I-125 seeds is ordered so that the activity will be 0.48 mCi/seed on the day of the…
A: activity (A) = 0.48 mCi t = 5 days half life of I-125 = 60 days
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: 12. A point source of 5-MeV y-rays with intensity 3 x 103 y-rays/cm2- sec is shielded with 50 cm of…
A: Given: The energy of the Gamma-rays is E = 5 MeV The intensity of the point source is I0 = 3 x 103…
Q: Graphs that show the relationship between radiation received and the organism's response are called:…
A: A graph shows the relation ship between radiation received and the organisms response are known as…
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: “Strontium-90 is a pure beta source.” How could a physicist test this statement?
A: As it is known that beta particle is having negative charge.
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%…
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Q: A radionuclide has an initial activity of 2.00 x10" dis/min, after 4.0 day its activity is 9.0 x 10…
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Q: 29. A shielded vial with a 0.1-mm thick lead shield contains 1. This shielded sample yields an…
A: 29 Given: The thickness of the lead is t=0.1 mm. The exposure rate with a shield at a distance of 3…
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: A beam of 5.0 MeV alpha particles (q-2e) has a cross-sectional area of 1.50 cm2. It is incident on…
A:
Q: Show that the activity of the 14C in 1.00 g of 12C found in living tissue is 0.250 Bq.
A: Given: The mass of the 12C is 1.00 g. The activity is 0.250 Bq.
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: 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: 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: Calculate the dose in Sv to the chest of a patient given an x-ray under the following conditions.…
A: Energy, the intensity of radiation, exposure time, and area of cross-section is related by the…
Q: 15. An 85 kg person was exposed to a gamma source and received a whole body dose of 0.5 Sv. How much…
A:
Q: In a laboratory accident, a work area is contaminated with radioactive material. Health physicists…
A: Given, Accidents occur at time t = 0 The final radioactivity level count is Af=16min-1 And the table…
Q: Show that the activity of the 14C in 1.00 g of 12C found in living tissue is 0.250 Bq.
A:
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