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Premium member Presentation Transcript VICTORIAN CTTG QUIZ : Cttg quiz march 2010 1 VICTORIAN CTTG QUIZ March 2010 Slide 2: 50 questions Q. 1-10- true or false- 15 seconds each Or 30 second per slide Q. 11-50 MCQ- please use upper case A B C D and write clearly. 30 seconds each 2 Cttg quiz march 2010 Slide 3: 3 Cttg quiz march 2010 Q 1. CT has the greatest spatial resolution of all the diagnostic imaging methods TRUE OR FALSE Q 2. To increase the spatial resolution you should scan with a higher mAs TRUE OR FALSE : 4 Q. 3.A routine CT head scanned with average factors should deliver an effective dose of less than 3mSv True or false Q. 4 The Conversion factor from DLP to mSv for a CT head region is 2.3 True or false Cttg quiz march 2010 : 5 Q5.- Increasing the pitch for a helical scan acquisition will increase the effective dose True or false Q6- Increasing the pitch for a helical acquisition from 1 to 2 will increase the slice thickness True or false Cttg quiz march 2010 : 6 Q 7.Decreasing the displayed FOV will decrease the spatial resolution True or false Q 8. Increasing the window width will increase the contrast resolution True or false Cttg quiz march 2010 : 7 Cttg quiz march 2010 Q 9 Decreasing the KV when scanning an osteoporotic patient will increase the CT density of the bones True or false Q 10.Decreasing the kV for an arterial series will increase the CT density of the IVCM True or false Q 11. Which of these organs has been declared most radiation sensitive in the recent research? : 8 Cttg quiz march 2010 Q 11. Which of these organs has been declared most radiation sensitive in the recent research? Gonads Eyes Skin Breast tissue thyroid Q 12. NATA has prescribed some guidelines for radiation in CT . A routine head should be close to what DLP : Q 12. NATA has prescribed some guidelines for radiation in CT . A routine head should be close to what DLP 10 100 1000 10000 9 Cttg quiz march 2010 Q 13. You are asked to perform a CT chest scan on a young patient. What technique would you use to decrease the effective dose. : Q 13. You are asked to perform a CT chest scan on a young patient. What technique would you use to decrease the effective dose. increase the pitch Reduce the kV from 140 to 80 if possible reduce the mAs Minimise the ranges and phases All of the above 10 Cttg quiz march 2010 Q 14 When measured in average background dose(mSv 2-3) which of these is true- assume average sized patients and routine technique : Q 14 When measured in average background dose(mSv 2-3) which of these is true- assume average sized patients and routine technique A plain Chest X-ray is equal to 6 weeks A CT lumbar spine is equal to 3-5 years A CT head is equal to 6 months A CT chest is equal to 1 year 11 Cttg quiz march 2010 Q 15. What is the HU density for an average non contrast kidney? : 12 Cttg quiz march 2010 Q 15. What is the HU density for an average non contrast kidney? 10HU 40HU 80HU 100HU Q 16. What is the HU density for non contrast brain white matter? : 13 Q 16. What is the HU density for non contrast brain white matter? 1HU 25HU 50HU 100HU Cttg quiz march 2010 Q 17. The technique where the high mA peaks are added together to increase the effective mAs is known as? : Q 17. The technique where the high mA peaks are added together to increase the effective mAs is known as? Multi slice average dose Maximum slice average dose Minimum slice average dose Manual slice average dose 14 Cttg quiz march 2010 Q 18. Dose modulation software ,AEC or Care Dose®, smart dose ®, works by? : Q 18. Dose modulation software ,AEC or Care Dose®, smart dose ®, works by? Reducing the kV when necessary to compensate for the patient size Reducing the mAs when necessary to compensate for the patient size Adjusting the kV when necessary to compensate for the patient size Adjusting the mAs when necessary to compensate for the patient size 15 Cttg quiz march 2010 Q 19. The edge artefact seen in this phantom scan is known as aliasing. What is the primary cause? : Q 19. The edge artefact seen in this phantom scan is known as aliasing. What is the primary cause? Low kV Low mAs Under sampling motion 16 Cttg quiz march 2010 Q 20. Ring Artefact in a CT scan is usually caused by : Q 20. Ring Artefact in a CT scan is usually caused by Faulty calibration or failing DAS Patient positioning Patient motion Low kV 17 Cttg quiz march 2010 Q 21. If the WW/WC is set at 500/-100. Which of these structures will be mid grey? : 18 Cttg quiz march 2010 Q 21. If the WW/WC is set at 500/-100. Which of these structures will be mid grey? Water Fat blood Air Q 22. This CT abdomen demonstrates what benign condition? : Q 22. This CT abdomen demonstrates what benign condition? Panniculitis Crohns disease Crossed fusion ectopia Horse shoe kidney 19 Cttg quiz march 2010 Q 23. Why is cerebral CT perfusion imaging useful? : Q 23. Why is cerebral CT perfusion imaging useful? It shows up the infarct It shows the extent of the infarct It shows the penumbra It shows up intra cerebral haemorrhage 20 Cttg quiz march 2010 Q 24 What is the primary reason for performing prone imaging when scanning HR lungs? : 21 Cttg quiz march 2010 Q 24 What is the primary reason for performing prone imaging when scanning HR lungs? To see if it changes density To expand the bronchi To flatten out the diaphragm To rule out dependant lung changes Q 25 This condition is known as? : Q 25 This condition is known as? Fibrous dysplasia Pagets Disease Hyperostosis externica osteopenia 22 Cttg quiz march 2010 Q 26. This intracerebral haemorrhage is anatomically where? : 23 Cttg quiz march 2010 Q 26. This intracerebral haemorrhage is anatomically where? Temporal lobe Occipital lobe Fronto Parietal lobe Thalamus Q 27. This CT head scan is an example of : 24 Cttg quiz march 2010 Q 27. This CT head scan is an example of Intra cerebral bleed Sub arachnoid bleed Sub dural bleed Intraventricular bleed Q 28. The arrow is pointing to which structure? : 25 Cttg quiz march 2010 Q 28. The arrow is pointing to which structure? Sylvian fissure Middle Meningeal fissure/sulcus Calcarine fissure Corpus callosum Q 29. What is the anatomical structure in the circle? : 26 Cttg quiz march 2010 Q 29. What is the anatomical structure in the circle? Third ventricle Pineal gland Fourth ventricle pons Q 30. This wedge shaped area of decreased density most likely represents a? : 27 Cttg quiz march 2010 Q 30. This wedge shaped area of decreased density most likely represents a? tumour Old infarction Recent infarction bleed trauma Q 31. This large left sided mass, most likely represents a ? : 28 Cttg quiz march 2010 Q 31. This large left sided mass, most likely represents a ? SAH ICH SDH EDH Q 32. The hypodense area adjacent to the tumour represents? : 29 Cttg quiz march 2010 Q 32. The hypodense area adjacent to the tumour represents? Oedema Infarcted brain Liquifacted haemorrhage ventricle Q 33. In the petrous temporal bone there are 3 ossicles. Which one forms the top of the ice cream cone : 30 Cttg quiz march 2010 Q 33. In the petrous temporal bone there are 3 ossicles. Which one forms the top of the ice cream cone Malleus Incus Stapes Cochlea Q 34 . This common benign condition is? : 31 Cttg quiz march 2010 Q 34 . This common benign condition is? Paget's disease Osteomyelitis Hyperostosis frontalis internus Fibrous dysplasia Q 35. Which artery of the thigh has a filling defect? : 32 Cttg quiz march 2010 Q 35. Which artery of the thigh has a filling defect? Profunda femoris Popliteal Femoral artery External iliac artery Q 36. The technique for this scan included? : 33 Cttg quiz march 2010 Q 36. The technique for this scan included? MIP, IV contrast but not oral contrast MPVR , Oral contrast but not IV MIP ,Oral and IV contrast MIP, No IV contrast Q 37. In which leg artery is this aneurysm : 34 Cttg quiz march 2010 Q 37. In which leg artery is this aneurysm Anterior tibial artery Posterior tibial artery Peroneal vein Peroneal artery Q 38. This patient has a diverticular abscess. In which part of the colon? : 35 Cttg quiz march 2010 Q 38. This patient has a diverticular abscess. In which part of the colon? Sigmoid Caecum Small bowel Rectum Q 39 In common anatomy, what is the 3rd major branch of the aorta below the diaphragm? : 36 Cttg quiz march 2010 Q 39 In common anatomy, what is the 3rd major branch of the aorta below the diaphragm? Renal Coeliac SMA IMA Q 40. The carpel bone indicated by the arrow in this CT scan is the? : 37 Cttg quiz march 2010 Q 40. The carpel bone indicated by the arrow in this CT scan is the? Hamate Lunate Triquetrum Scaphoid Q 41. What small coronary artery is indicated by arrow? : 38 Cttg quiz march 2010 Q 41. What small coronary artery is indicated by arrow? Left Coronary Right Coronary Circumflex marginal Q 42. This reverse angle is frequently requested for which pathology : 39 Cttg quiz march 2010 Q 42. This reverse angle is frequently requested for which pathology Spondolithesis Retrolithesis Fractured lamina Pars defect Q 43. This frequently seen abnormality in the Lumbar vertebra is a ? : Q 43. This frequently seen abnormality in the Lumbar vertebra is a ? Bone island Hamartoma Haemangioma Metastasis 40 Cttg quiz march 2010 Q 44. There are a number of rounded structures in the left axilla of this CE scan. What are they? : 41 Cttg quiz march 2010 Q 44. There are a number of rounded structures in the left axilla of this CE scan. What are they? Varices Tumour Cysts Lymph nodes Q 45. what is the pathology in this bowel? : 42 Cttg quiz march 2010 Q 45. what is the pathology in this bowel? Diverticular disease Crohns disease Carcinoid tumour Apple core carcinoma Q 46. This large bowel lesion is most likely? : 43 Cttg quiz march 2010 Q 46. This large bowel lesion is most likely? epiploic appendagitis Varices Tumour Lymph nodes Q 47. Which liver segment is this lesion probably in? : 44 Cttg quiz march 2010 Q 47. Which liver segment is this lesion probably in? 1 2 6 7/8 Q 48. If you have an eGFR of 60, what is your level of loss of renal function? : 45 Cttg quiz march 2010 Q 48. If you have an eGFR of 60, what is your level of loss of renal function? 100% 25% 50% 75% Q 49. What are the best ways to reduce CIN? : 46 Cttg quiz march 2010 Q 49. What are the best ways to reduce CIN? Reduce IV contrast dose Hydrate before and after IVCM Perform a test that does not require IVCM All of the above Q 50. The RANZCR list risk factors for CIN. Which of these is not considered a risk for CIN? : 47 Cttg quiz march 2010 Q 50. The RANZCR list risk factors for CIN. Which of these is not considered a risk for CIN? Over 60 years Previous renal disease All diabetics Previous contrast allergy GOOD LUCK : GOOD LUCK THANK YOU TO MY COLLEAGUES WHO SUPPLIED IMAGES Cttg quiz march 2010 48 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
VICTORIAN CTTG QUIZ 2010 march with answ jakey39 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 199 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: March 05, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript VICTORIAN CTTG QUIZ : Cttg quiz march 2010 1 VICTORIAN CTTG QUIZ March 2010 Slide 2: 50 questions Q. 1-10- true or false- 15 seconds each Or 30 second per slide Q. 11-50 MCQ- please use upper case A B C D and write clearly. 30 seconds each 2 Cttg quiz march 2010 Slide 3: 3 Cttg quiz march 2010 Q 1. CT has the greatest spatial resolution of all the diagnostic imaging methods TRUE OR FALSE Q 2. To increase the spatial resolution you should scan with a higher mAs TRUE OR FALSE : 4 Q. 3.A routine CT head scanned with average factors should deliver an effective dose of less than 3mSv True or false Q. 4 The Conversion factor from DLP to mSv for a CT head region is 2.3 True or false Cttg quiz march 2010 : 5 Q5.- Increasing the pitch for a helical scan acquisition will increase the effective dose True or false Q6- Increasing the pitch for a helical acquisition from 1 to 2 will increase the slice thickness True or false Cttg quiz march 2010 : 6 Q 7.Decreasing the displayed FOV will decrease the spatial resolution True or false Q 8. Increasing the window width will increase the contrast resolution True or false Cttg quiz march 2010 : 7 Cttg quiz march 2010 Q 9 Decreasing the KV when scanning an osteoporotic patient will increase the CT density of the bones True or false Q 10.Decreasing the kV for an arterial series will increase the CT density of the IVCM True or false Q 11. Which of these organs has been declared most radiation sensitive in the recent research? : 8 Cttg quiz march 2010 Q 11. Which of these organs has been declared most radiation sensitive in the recent research? Gonads Eyes Skin Breast tissue thyroid Q 12. NATA has prescribed some guidelines for radiation in CT . A routine head should be close to what DLP : Q 12. NATA has prescribed some guidelines for radiation in CT . A routine head should be close to what DLP 10 100 1000 10000 9 Cttg quiz march 2010 Q 13. You are asked to perform a CT chest scan on a young patient. What technique would you use to decrease the effective dose. : Q 13. You are asked to perform a CT chest scan on a young patient. What technique would you use to decrease the effective dose. increase the pitch Reduce the kV from 140 to 80 if possible reduce the mAs Minimise the ranges and phases All of the above 10 Cttg quiz march 2010 Q 14 When measured in average background dose(mSv 2-3) which of these is true- assume average sized patients and routine technique : Q 14 When measured in average background dose(mSv 2-3) which of these is true- assume average sized patients and routine technique A plain Chest X-ray is equal to 6 weeks A CT lumbar spine is equal to 3-5 years A CT head is equal to 6 months A CT chest is equal to 1 year 11 Cttg quiz march 2010 Q 15. What is the HU density for an average non contrast kidney? : 12 Cttg quiz march 2010 Q 15. What is the HU density for an average non contrast kidney? 10HU 40HU 80HU 100HU Q 16. What is the HU density for non contrast brain white matter? : 13 Q 16. What is the HU density for non contrast brain white matter? 1HU 25HU 50HU 100HU Cttg quiz march 2010 Q 17. The technique where the high mA peaks are added together to increase the effective mAs is known as? : Q 17. The technique where the high mA peaks are added together to increase the effective mAs is known as? Multi slice average dose Maximum slice average dose Minimum slice average dose Manual slice average dose 14 Cttg quiz march 2010 Q 18. Dose modulation software ,AEC or Care Dose®, smart dose ®, works by? : Q 18. Dose modulation software ,AEC or Care Dose®, smart dose ®, works by? Reducing the kV when necessary to compensate for the patient size Reducing the mAs when necessary to compensate for the patient size Adjusting the kV when necessary to compensate for the patient size Adjusting the mAs when necessary to compensate for the patient size 15 Cttg quiz march 2010 Q 19. The edge artefact seen in this phantom scan is known as aliasing. What is the primary cause? : Q 19. The edge artefact seen in this phantom scan is known as aliasing. What is the primary cause? Low kV Low mAs Under sampling motion 16 Cttg quiz march 2010 Q 20. Ring Artefact in a CT scan is usually caused by : Q 20. Ring Artefact in a CT scan is usually caused by Faulty calibration or failing DAS Patient positioning Patient motion Low kV 17 Cttg quiz march 2010 Q 21. If the WW/WC is set at 500/-100. Which of these structures will be mid grey? : 18 Cttg quiz march 2010 Q 21. If the WW/WC is set at 500/-100. Which of these structures will be mid grey? Water Fat blood Air Q 22. This CT abdomen demonstrates what benign condition? : Q 22. This CT abdomen demonstrates what benign condition? Panniculitis Crohns disease Crossed fusion ectopia Horse shoe kidney 19 Cttg quiz march 2010 Q 23. Why is cerebral CT perfusion imaging useful? : Q 23. Why is cerebral CT perfusion imaging useful? It shows up the infarct It shows the extent of the infarct It shows the penumbra It shows up intra cerebral haemorrhage 20 Cttg quiz march 2010 Q 24 What is the primary reason for performing prone imaging when scanning HR lungs? : 21 Cttg quiz march 2010 Q 24 What is the primary reason for performing prone imaging when scanning HR lungs? To see if it changes density To expand the bronchi To flatten out the diaphragm To rule out dependant lung changes Q 25 This condition is known as? : Q 25 This condition is known as? Fibrous dysplasia Pagets Disease Hyperostosis externica osteopenia 22 Cttg quiz march 2010 Q 26. This intracerebral haemorrhage is anatomically where? : 23 Cttg quiz march 2010 Q 26. This intracerebral haemorrhage is anatomically where? Temporal lobe Occipital lobe Fronto Parietal lobe Thalamus Q 27. This CT head scan is an example of : 24 Cttg quiz march 2010 Q 27. This CT head scan is an example of Intra cerebral bleed Sub arachnoid bleed Sub dural bleed Intraventricular bleed Q 28. The arrow is pointing to which structure? : 25 Cttg quiz march 2010 Q 28. The arrow is pointing to which structure? Sylvian fissure Middle Meningeal fissure/sulcus Calcarine fissure Corpus callosum Q 29. What is the anatomical structure in the circle? : 26 Cttg quiz march 2010 Q 29. What is the anatomical structure in the circle? Third ventricle Pineal gland Fourth ventricle pons Q 30. This wedge shaped area of decreased density most likely represents a? : 27 Cttg quiz march 2010 Q 30. This wedge shaped area of decreased density most likely represents a? tumour Old infarction Recent infarction bleed trauma Q 31. This large left sided mass, most likely represents a ? : 28 Cttg quiz march 2010 Q 31. This large left sided mass, most likely represents a ? SAH ICH SDH EDH Q 32. The hypodense area adjacent to the tumour represents? : 29 Cttg quiz march 2010 Q 32. The hypodense area adjacent to the tumour represents? Oedema Infarcted brain Liquifacted haemorrhage ventricle Q 33. In the petrous temporal bone there are 3 ossicles. Which one forms the top of the ice cream cone : 30 Cttg quiz march 2010 Q 33. In the petrous temporal bone there are 3 ossicles. Which one forms the top of the ice cream cone Malleus Incus Stapes Cochlea Q 34 . This common benign condition is? : 31 Cttg quiz march 2010 Q 34 . This common benign condition is? Paget's disease Osteomyelitis Hyperostosis frontalis internus Fibrous dysplasia Q 35. Which artery of the thigh has a filling defect? : 32 Cttg quiz march 2010 Q 35. Which artery of the thigh has a filling defect? Profunda femoris Popliteal Femoral artery External iliac artery Q 36. The technique for this scan included? : 33 Cttg quiz march 2010 Q 36. The technique for this scan included? MIP, IV contrast but not oral contrast MPVR , Oral contrast but not IV MIP ,Oral and IV contrast MIP, No IV contrast Q 37. In which leg artery is this aneurysm : 34 Cttg quiz march 2010 Q 37. In which leg artery is this aneurysm Anterior tibial artery Posterior tibial artery Peroneal vein Peroneal artery Q 38. This patient has a diverticular abscess. In which part of the colon? : 35 Cttg quiz march 2010 Q 38. This patient has a diverticular abscess. In which part of the colon? Sigmoid Caecum Small bowel Rectum Q 39 In common anatomy, what is the 3rd major branch of the aorta below the diaphragm? : 36 Cttg quiz march 2010 Q 39 In common anatomy, what is the 3rd major branch of the aorta below the diaphragm? Renal Coeliac SMA IMA Q 40. The carpel bone indicated by the arrow in this CT scan is the? : 37 Cttg quiz march 2010 Q 40. The carpel bone indicated by the arrow in this CT scan is the? Hamate Lunate Triquetrum Scaphoid Q 41. What small coronary artery is indicated by arrow? : 38 Cttg quiz march 2010 Q 41. What small coronary artery is indicated by arrow? Left Coronary Right Coronary Circumflex marginal Q 42. This reverse angle is frequently requested for which pathology : 39 Cttg quiz march 2010 Q 42. This reverse angle is frequently requested for which pathology Spondolithesis Retrolithesis Fractured lamina Pars defect Q 43. This frequently seen abnormality in the Lumbar vertebra is a ? : Q 43. This frequently seen abnormality in the Lumbar vertebra is a ? Bone island Hamartoma Haemangioma Metastasis 40 Cttg quiz march 2010 Q 44. There are a number of rounded structures in the left axilla of this CE scan. What are they? : 41 Cttg quiz march 2010 Q 44. There are a number of rounded structures in the left axilla of this CE scan. What are they? Varices Tumour Cysts Lymph nodes Q 45. what is the pathology in this bowel? : 42 Cttg quiz march 2010 Q 45. what is the pathology in this bowel? Diverticular disease Crohns disease Carcinoid tumour Apple core carcinoma Q 46. This large bowel lesion is most likely? : 43 Cttg quiz march 2010 Q 46. This large bowel lesion is most likely? epiploic appendagitis Varices Tumour Lymph nodes Q 47. Which liver segment is this lesion probably in? : 44 Cttg quiz march 2010 Q 47. Which liver segment is this lesion probably in? 1 2 6 7/8 Q 48. If you have an eGFR of 60, what is your level of loss of renal function? : 45 Cttg quiz march 2010 Q 48. If you have an eGFR of 60, what is your level of loss of renal function? 100% 25% 50% 75% Q 49. What are the best ways to reduce CIN? : 46 Cttg quiz march 2010 Q 49. What are the best ways to reduce CIN? Reduce IV contrast dose Hydrate before and after IVCM Perform a test that does not require IVCM All of the above Q 50. The RANZCR list risk factors for CIN. Which of these is not considered a risk for CIN? : 47 Cttg quiz march 2010 Q 50. The RANZCR list risk factors for CIN. Which of these is not considered a risk for CIN? Over 60 years Previous renal disease All diabetics Previous contrast allergy GOOD LUCK : GOOD LUCK THANK YOU TO MY COLLEAGUES WHO SUPPLIED IMAGES Cttg quiz march 2010 48