Saudi Nuclear Medicine Club " Quiz #3 " @saudi_nmc

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  • 1/10 Questions

    1. If the biological half-life of an isotope is 6 hours, and the physical half-life is 12 hrs, what is the effective half-life?

    • 6 hrs
    • 12 hrs
    • 2 hrs
    • 4 hrs
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About This Quiz

" Quiz #3 " @saudi_nmc
Time: 15mins
10 Questions [ 10 multiple-choice ]
Number of Attempts Allowed: 2
Good Luck :)

Saudi Nuclear Medicine Club " Quiz #3 " @saudi_nmc - Quiz

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  • 2. 

    9. Hodgkin’s disease is a type of:

    • Lung cancer

    • Lymphoma

    • AIDS

    • Lupus

    Correct Answer
    A. Lymphoma
    Explanation
     

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  • 3. 
    10. Concerning the Pulse Height Spectrum from 137Cs shown above . Which one of the following is the Photopeak   - ProProfs

    10. Concerning the Pulse Height Spectrum from 137Cs shown above . Which one of the following is the Photopeak  

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. A
    Explanation
    Based on the information given in the question, it is implied that there is a pulse height spectrum from 137Cs shown above. The question asks which one of the options (A, B, C, D, E) represents the Photopeak. Without any further context or information about the pulse height spectrum or 137Cs, it is not possible to determine the correct answer.

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  • 4. 

    2. How does 201Tl decay?

    • By positron emission

    • By electron capture

    • By beta emission

    •  none of the above

    Correct Answer
    A. By electron capture
    Explanation
     

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  • 5. 

    7. Which of the following is excreted by Glomerular Filtration?

    • 99mTc-DTPA

    • 99mTc-DMSA

    • 99mTc-MAG3

    • 99mTc-GH

    Correct Answer
    A. 99mTc-DTPA
    Explanation
     

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  • 6. 

    5. Concerning the equilibrium type for 99Mo decaying to 99mTc in a generator. Which one of the following is True

    • Secular Equilibrium

    • Transient Equilibrium

    • No Equilibrium

    • Secondary Equilibrium

    • Infinite Equilibrium

    Correct Answer
    A. Transient Equilibrium
    Explanation
    Transient equilibrium is a situation in which equilibrium is reached by a parent-daughter radioactive isotope pair where the half-life of the daughter is shorter than the half-life of the parent.

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  • 7. 

    4. All the following are true about Rubidiem-82 EXCEPT?

    • It produced from strontium-82/Rb-82 generator

    • It decays 95% by electron  capture and 5% by positron emission

    • The relative myocardial extraction and localization of Rb-82 are proportional to blood flow 

    • It is taken up into the myocardium by active transport

    Correct Answer
    A. It decays 95% by electron  capture and 5% by positron emission
    Explanation
    It decays 95% by positron emission and 5% by electron capture

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  • 8. 

    8. All the following are myocardial PET Tracers EXCEPT

    • Nitrogen-13 Ammonia

    • Fluorine-18-fluorocholine

    • Carbon-11

    • Fluorine-18 Fluorodeoxyglucose

    Correct Answer
    A. Fluorine-18-fluorocholine
    Explanation
    Perfusion AGENT :N-13 R82 O15
    Fatty Acid Metabolism: Carbon-11
    Glucose Metabolism: Fluorine-18 Fluorodeoxyglucose
    18F-fluorocholine PET/CT in imaging of parathyroid adenoma.

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  • 9. 

    6. Generators are used to produce radionuclides. Which one of the following is not produced from a radionuclide generator?

    • 99mTc

    • 82Rb

    • 68Ga

    • 81mKr

    • 67Ga

    Correct Answer
    A. 67Ga
    Explanation
     

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  • 10. 

    3.A perfusion lung scan is being quantified. If counts obtained from an ROI around the left lung are 142,857 and the counts within the ROI about the right lung are 195,246 ,what percentage of perfusion is directed to the right lung?

    • 28%

    • 42%

    • 58%

    • 65%

    • 73%

    Correct Answer
    A. 42%
    Explanation
    shunt= total count – lung count / total count *100
    338.103-195.246/338.103 *100=42%

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 11, 2020
    Quiz Created by
    Zeem
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