Quiz: Immune system A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 14 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 diagnostic test uses radioactive material to visualize the drainage of fluid by the lymphatic system? Lymphogram. Lymphography. Computer tomography scan. Lymphoscintigram. None 2. All of the following scintigraphic methods are often used in the diagnosis of fever of unknown origin (FUO) EXCEPT Ga-67 citrate scintigraphy Fluorodeoxyglucose-positron emission tomography (FDG-PET) Labeled erythrocytes scintigraphy Labeled leukocytes scintigraphy None 3. In-111 and Tc-99m-labeled white blood cells (WBC) accumulation have been observed in all of the following conditions/sites EXCEPT: Gastrointestinal bleeding. Debridement sites. Vascular access lines. Focal seizures. None 4. An organ that removes old red blood cells, holds a reserve of blood in case of hemorrhagic shock, and synthesizes antibodies in its white pulp is called: The thymus. The liver. The spleen. Bone marrow. None 5. Tc-99m and In-111-labeled leukocyte imaging (WBC) are established procedures for diagnosing inflammation and infection. All of the following wounds appear as areas of intense activity on WBC images EXCEPT: Surgical incision wounds. Tracheostomies wounds. Skin grafts wounds. Ileostomies wounds. None 6. Radiopharmaceuticals used in imaging of infection and inflammation accumulate in the region of interest because of the locally changed physiologic conditions. An infectious/inflammatory process is characterized by all of the following EXCEPT: Influx of white blood cells. Influx of red blood cells. Increased vascular permeability. Increased blood flow. None 7. Flow imaging is an essential part of all of the following nuclear medicine procedures EXCEPT: Tagged white blood cells for osteomyelitis diagnosis Tc-99m pertechnetate for brain death scintigraphy 3-Phase bone scan for osteomyelitis diagnosis Tagged red blood cells (RBCs) for liver hemangioma imaging None 8. Human antimurine antibody (HAMA) is being produced when: A murine immunoglobulin is injected into a mouse. A humane immunoglobulin is injected into a mouse. A murine immunoglobulin is injected into a human. A human immunoglobulin is injected into a human. None 9. Tc-99m-labeled leukocytes and Tc-99m sulfur colloid accumulate in the reticuloendothelial cells of the bone marrow. The distribution of marrow activity is similar for both radiopharmaceuticals with the exception of an acute or chronic bone infection. Osteomyelitis: Stimulates uptake of leukocytes but does not affect uptake of sulfur colloid. Stimulates uptake of sulfur colloid but suppresses uptake of leukocytes. Stimulates uptake of sulfur colloid but does not affect uptake of leukocytes. Stimulates uptake of leukocytes but suppresses uptake of sulfur colloid. None 10. Images obtained shortly after injection of leukocytes labeled with In-111 or Tc-99m are characterized by intense pulmonary activity that clears and approaches background level by: 1 hour after injection. 0.5 hour after injection. 4 hours after injection. 2 hours after injection. None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2022-08-18T14:55:50+03:00April 26th, 2021|Immune System| 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 Notify me of follow-up comments by email. Notify me of new posts by email. Δ
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