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 principles the image production in nuclear medicine is based on? High magnetic field energy Radiation emitted from a radioactive substance given to the patient. X-Ray passing through patient. Infrared ray passing through patient. 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? Increase in size and resolution. Decrease in image resolution. Increase in image size Increase in image resolution. None 3. 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 light An electrical signal into heat Heat into light None 4. Which of the following is the structural organization of the human body starting from the lowest level? Atom, molecules, organs, cells, systems. organism Atom, molecules, cells, systems, organs, organism Atom, molecules, cells , organs, systems , organism Molecules, atom, cells, organs, systems, organism None 5. Which of the following is typically the thickness of the Nal (TI) crystal used in a gamma camera (emission radiation 140 Kv)? 5 mm 5 cm 1 mm 1 cm None 6. Which of the following is the effect of increasing the thickness of the scintillation detector on sensitivity and resolution? Decreased sensitivity and decreased resolution. Decreased sensitivity and increased resolution. Increased sensitivity and increased resolution. Increased sensitivity and decreased resolution. None 7. The distance that the positron passes from its origin to the point of the annihilation is called? Annihilation delay Positron attenuation Travel range Positron range None 8. All of the following components of the scintillation camera are housed on the camera head EXCEPT: Touch pads Array of PMTs Display monitor Digitizer (ADCs) None 9. The increasing distance between the origin of the positron and the location of the point of annihilation results in: Increased image resolution Attenuation artifact Decreased image resolution Motion artifact None 10. Which of the following patients undergoing diagnostic medical procedures are considered as a radioactive source? Patient undergoing MRI study with gadolinium administration Patient undergoing NM study with radiopharmaceutical administration Patient undergoing CT scan with iodine administration Patient undergoing X-ray study None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-29T11:56:54+03:00March 29th, 2021| Share This Post With Others! 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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