Frcs Urology Mcqs 1

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  Imaging and Technology MCQ I 1 What is the wavelength of a holmium:YAG laser?A 532 nmB 2140 nmC 980 nmD 1650nmE 1860 nm2 Which of the following is not important in determining radio-sensitivity?A DNA repairB Re-oxygenationC Re-accumulationD Re-assortmentE Re-population3 What is the unit for the absorbed dose of radiation?A GrayB SievertC RadD RoentgenE becquerels 4 Which of the following detects protein on dipstik urinalysis?A PeroxidaseB Red azo dyeC IndoxylD Tetrabromophenol blue dyeE Diazonium salt5 What is the approximate mortality rate associated with non-ionic contrast media?A 1/200,000B 1/100,000C 1/50,000D 1/25,000E 1/10,0006 Which of the following types of diuretic renogram curve refers to a system which is dilated without obstruction?A Type IVB Type IIIaC Type IIIbD Type IIE Type I 7 When referring to adrenaline what does a 1 in 10,000 solution equate to?A 10 mg per 10 mlB 1 mg per mlC 10 mg per mlD 0.1mg per mlE 1mg per 100ml8 What frequency of transducer is used during transrectal ultrasound?A 3.5 MHzB 4.5 MHzC 5.5 MHzD 6.5 MHzE 7.5 MHz9 What is the French or Charriere guage equal to?A Circumference in mmB Circumference multiplied by 3 in mmPrint this page!  C Diameter in mmD Circumference in cmE Diameter multiplied by 3 in mm10 Which of the following statements regarding JJ stents is correct?A Stents aid stone passageB Stents increase intrarenal pressuresC A nephrostomy is better for the relief of an obstructing stone with infectionD Stents lower intrarenal pressureE Stents are extremely effective at relieving obstruction from extrinsic compression11 What stage of chronic kidney disease has a patient with an estimated GFR of 26ml/min/1.73m2?A Stage 4B Stage 1C Stage 3D Stage 5E Stage 212 What is the 1 year graft survival following living-donor kidney transplantation?A 95%B 90%C 80%D 70%E 65%13 What is the most common new tumour in recipients after transplantation?A Renal B LungC LymphoproliferativeD SkinE Cervical14 Which of the following immunosuppresive agents is associated with diabetes?A Mycophenolate mofetilB Cyclosporine AC TacrolimusD AzathioprineE Sirolimus15 What is the radiation dose in mSv associated with a CTKUB?A 1.0B 2.5C 3.0D 4.7E 1016 Which of the following best describes the thin descending limb of the loop of Henle?A Impermeable to waterB Permeable to water and less permeable to sodium, chloride and ureaC Impermeable to water, highly permeable to sodium and chloride and slightly permeable to ureaD Permeable to water, sodium, chloride and ureaE Impermeable to water and urea with sodium and chloride actively reabsorbed17 What is the typical Hounsfield unit for fat on CT?A +300B +40C 0D -50E -100018 Which drug trial phase primarily assesses the safety of a drug?A Phase IVB Phase IIIC Phase IID Phase IE Phase 0  19 How is leucocyte esterase detected by dipstik urinalysis?A PeroxidaseB Red azo dyeC The production of indoxyl and oxidation of a diazonium saltD Tetrabromophenol blue dyeE Double oxidation reaction20 What is the normal amount of protein excreted by the kidney?A 50-80 mg/dayB 80-150 mg/dayC 150-200 mg/dayD 200-230 mg/dayE 230-250 mg/day Answers 1B2CThe four R's which determine radiosensitivity are repair, re-oxygenation, re-assortment and re-population3A In SI units, the activity of a radioactive source is measured in becquerels (symbol Bq). The absorbed dose of ionizing radiation is measuredin grays (symbol Gy) where one gray is equal to one joule of energy being imparted to one kilogram of matter (the rad is the previously usedunit). The dose equivalent, which is a measure of the effects of radiation on living organisms, is measured in sieverts (symbol Sv) 4D5A6BType IV Delayed double peak pattern (Homsey)Type IIIa Dilated without obstructionType IIIb EquivocalType II ObstructedType I Normal7D 1 in 10,000 or 1mg per 10ml adrenaline solution is often used during cardiace arrest in prepared syringes. A 1 in 1000 or 1mg per mladrenaline solution is often used IM for anaphylactic reactions.UrologyUK comment: Although this seems like a fairly non-urological question there are a significant number of everyday clinical MCQ's andEMQ's in the exam.8E A 7.5Mhz biplane probe is used for TRUS9EThe French guage is equal to the diameter of the tube multiplied by 3 in mm, not as is often thought the circumference in mm. However,remember that the circumference is diameter multiplied by Pi (3.14) so it is nearly correct!! 10BStents paralyse peristalsis and therefore do not aid stone passage. They increase intrarenal pressures. Pearle, M; J Urol 1998 demonstratedthat there was no difference in recovery between patients treated with nephrostomy vs JJ stent. JJ stents are less effective at relievingobstruction from extrinsic compression.11A Stages of CKDCKD StageDescription (eGFRml/min/1.73m2) Stage 1 Normal eGFR (>90) With otherevidence of kidney damage* Stage 2 eGFR 60 – 90 With otherevidence of kidney damage*  Stage 3 eGFR 30-59 Stage 4 eGFR 15 – 29 Stage 5 eGFR < 15* Evidence of chronic kidney damage includes: persistentmicroalbuminuria or proteinuria,12B1 year graft survival for living donor nephrectomy is 95% with HLA-identical siblings, 90% for 1-haplotype-identical related donor and 80% forcadaveric kidneys13DThe approximate distribution of new cancers is renal 5%, lung 5%, lymphoproliferative 11%, skin 40% and cervical 4%14CTacrolimus is nephrotoxic and in approximately 20% of patients causes diabetes15D16BThe thin descending limb is best described by B, the thin ascending limb is best described by C and the thick ascending limb best describedby E17D Substance Hounsfield Unit Air -1000Fat -50Water 0Soft tissue (eg muscle) +40Calculus +100 to +400Bone +100018DPhase IV - Post-launch safety surveillancePhase III - Randomised control trialPhase II - Assesses how well the drug works as well as continued safetyPhase I - Assesses safetyPhase 0 - First human trial - does it behave in humans as expected19CLeucocyte esterase catalyses the production of indoxyl which oxidises a diazonium salt leading to a colour change 20B Normal excretion is 80-150 mg/day Visit for more articles and practice questions!

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