Basics of Nuclear Medicine A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 27 questions. More Questions You will get deferent questions every time you take the quiz. Correct AnswersThere could be more than one correct answer, select all that apply.Skip QuestionsYou are allowed to scroll backward and forward before submitting your answers.10 MinutesThe quiz has a time limit. Time's up You can still submit your answers after the allowed period of time has ended . When ready, click Next to start the quiz. Name (Required) Email (Optional) Twitter (Optional) 1. Which of the following patients undergoing diagnostic medical procedures are considered as a radioactive source? Patient undergoing MRI study with gadolinium administration Patient undergoing CT scan with iodine administration Patient undergoing X-ray study Patient undergoing NM study with radiopharmaceutical administration None 2. Which of the following is the effect on the image if the distance is reduced between the patient and parallel hole collimator during a given scintigraphy exam? Decrease in image resolution. Increase in size and resolution. Increase in image resolution. Increase in image size None 3. Which of the following is the primary function of the gamma camera photomultiplier tube? Convert light into electrical signal and amplify it. Minimize the scattered radiation in the final image. Convert radioactivity into light and amplify it. Filter out photons and limit the energy range. None 4. The period of time required for the concentration or amount of drug in the body to be reduced by 50% is known as: Therapeutic index Half-life Absorption time Potency None 5. The process of restricting the detection of emitted radiations to a given area of interest is called: Attenuation Scattering Pooling Collimation None 6. Which of the following type of collimator will be most useful for obtaining high resolution images of small organs? Flat field Pinhole Diverging Parallel hole None 7. Which of the following principles the image production in nuclear medicine is based on? Radiation emitted from a radioactive substance given to the patient. Infrared ray passing through patient. X-Ray passing through patient. High magnetic field energy None 8. Which of the following radioisotope is produced from the radioactive decay of molybdenum-99 and most commonly used in nuclear medicine studies? Technetium-99m Iodine-123 Iodine-131 Strontium-89 None 9. Phosphorus-33, copper-67, iodine-131, and yttrium-90 are examples of: Alpha-particle emitters Beta-particle emitters Pure gamma emitters Alpha and beta-particle emitters None 10. Photomultiplier tube (PMT) consists of a photocathode and a series of dynodes in an evacuated glass enclosure. PMT converts: The light photons into an electrical signal An electrical signal into heat Heat into light An electrical signal into light None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-29T11:56:54+03:00March 29th, 2021| شارك هذه الصفحة FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave A Comment Cancel replyComment Δ
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