CAMRT 187 Exam Questions With Verified Answers, Latest Updated 2024/2025 | 100% Correct

Why include ant ST on lat Cspine - Answer :Pre verterbal fat stripewidening=#, mass, inflammation Quiz :Air gap technique - Answer :reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV Quiz :why expiration with pneumo - Answer :reduces lung vol, pneumo occupies larger area- easier to see Quiz :Spondylolisthesis - Answer :forward displacement of a vertebra commonly occurs after # (pars) Quiz :Spondylolysis - Answer :occurs when there is a fracture of the pars portion of the vertebra. Quiz :Situs inverus - Answer :organs on opposite side Quiz :dyspneic - Answer :SOB Quiz :hematuria - Answer :blood in urine Quiz :cystitis - Answer :bladder infection Quiz :judet - Answer :c: side in contact ant acetabular rim (external obl) o: side raised post ace rim Quiz :T/z score - Answer :T: bone loss compared to peak (30 yr old)- assess # risk, Osteoporosis Z: compared to pts bmd of same age group + race Normal: -1 Osteo: -2.5 Quiz :AP knee angle - Answer :18 cm and less: 5 caudad 19-24cm: no angle CAMRT 187 Exam Questions With Verified Answers | Latest Updated 2024/2025 | 100% Correct 25cm +: 5 ceph Quiz :indication of ant hip dislocation - Answer :ext rotated foot Quiz :Outlet/ inlet - Answer :oulet: around 25-30 (men) 45 women ceph for rami inlet: 40 caudad for pelvic ring Quiz :Lat Tspine if pt has big sholders - Answer :angle 10-15 ceph Quiz :Hypovolemic shock - Answer :fluid loss 15-25% SS: cold and clammy, thirst, cyanosis What to do: elevate legs( trendelenberg), keep warm Quiz :Ba Enema tips - Answer :insert tube ant + sup hang bag 46cm 18inch 24 hrs prior clear liquid diet Quiz :Stomach positions - Answer :GI position RAO: Ba in duodenal bulb, pyloric canal (also seen in rt lat) LPO: fundus Lat: ant/post stomach, retrogastric space PA: Ba in body and pylorus/ air in fundus AP: Ba filled fundus and duodenum/jejunum Quiz :Ba Enema views - Answer :Shisard: PA (30 caud) Rectosigmoid LPO/RAO: hepatic/colic flex, asc colon, sigmoid RPO/LAO: splenic, desc Quiz :Aliasing/ Moire - Answer :wavy grid artifact common with low freq stationary non moving grid grid strips parallel with scan direction (should be perp) Quiz :Grid kV - Answer :90kV and less use a 8:1 grid need 15% more dose Quiz :Varus/ Valgus - Answer :Varus move distal segment medial Valgus move lat Quiz :OBL wrist demo - Answer :Trapezium, trapezoid, scaphoid base 2-5 SI Pisiform SI triquetral Quiz :Cardiogenic shock - Answer :with pulm emb, myocardial infarction: Heart not pumping enough blood to organs SS: chest pain, dizziness, change in consciousness, cool clammy, decr Bp, Irregular pulse What to do: place in semi fowlers, prepare for CPR Quiz :Distributive shock - Answer :Pooling of blood in peripheral vessels, decreased Bp 3 types: neurogenic, septic, anaphylactic Quiz :Neurogenic shock - Answer :diabetic shock- lack of glucose adverse affect to anethesia SS: low Bp, bradycardia, warm dry skin, cool extrem, keep pt supine Quiz :Septic shock - Answer :SS: incre HR and breathing, nausea, seizure keep warm Quiz :Anaphylactic shock - Answer :mild: congestion, swelling eyes, tight throat mod: warm flush+ itch, dyspnea severe: vomitting, decr Bp, cramping Quiz :Pulm embolism: Obstructive shock - Answer :occlusion of pulm art by thrombus SS: rapid weak pulse- tacycardia, dyspnea, diaphoresis (sweating), syncope, low bp Quiz :Diabetic emergencies - Answer :Hypoglycemia: excess insulin from not eating Ketoacidosis: insuff insulin causes liver to produce more glucose= hyperglycemic - excess urination, sweet breath SS: tacycardia,extreme thirst Quiz :Pt faints what to do - Answer :help to floor and elevate legs Quiz :Line focus principle - Answer :effective FS smaller then actual Quiz :Small anode angle - Answer :large heel affect Quiz :15% incr kV is equivalent to - Answer :doubling mAs but no dose increase Quiz :HVL is best method for measuring - Answer :xray quality Quiz :coherent scatter happens with energies - Answer :lower then 10 keV do no contribute to the image Quiz :Compton scatter - Answer :dominant at high energy (120kV) outer shell reduces xray energy, changes direction reduces contrast Quiz :photoelectric absorption - Answer :inner shell xray absorbed proportional to z contributes alot to pt dose Quiz :mammo - Answer :50-70cm SID 25-32kV FS: 0.1-0.3 mm smaller for mag 40 years + for screening Quiz :FS blur - Answer :less on anode side more on cathode Quiz :Big pt attenuates - Answer :more xrays Quiz :most important influence on subject contrast - Answer :kVP low kV: high SC, short grayscale Quiz :high kV - Answer :high scatter Quiz :Grid ratio - Answer :height/D(width) high grid ratios are more effective in reducing scatter Quiz :Parallel grid - Answer :more common for cutoff with short SID Quiz :Focused (moving grid) - Answer :prevent grid lines minimize cutoff Quiz :off focus (wrong SID) - Answer :cutoff towards edge Quiz :off center - Answer :grid cut off across image/ underexposed Quiz :Pleural effusion tech increase - Answer :incr mAs by 35% Quiz :Apical chest - Answer :15-20 ceph or stand 30 cm away Quiz :how many ribs are seen above the diaphragm with neonates - Answer :8 Quiz :Yearly QC - Answer :film screen contact rad output reproducibility (5%) Linearity filtration -HVL AEC light field alignment EI range grid performance collimator alignment Quiz :If pt cannot fully ulnar deviate for scaphoid view - Answer :increase angle Quiz :for a lat forarm - Answer :scaphoid dist to pisiform Quiz :Int/ ext obl elbow - Answer :ext: capitulum and radial jnt open int: coronoid and trochlea process open Quiz :axiolat coyle (radial head view) - Answer :shows radial head and coronoid when cannot obl normally 45 towards shoulder seperates capitulum and trochlea moves rad head ant 45 caudad for coronoid and trochlea under angle: elbow higher then shoulder capitulum SI trochlea over: elbow too low radial tuberosity SI ulna Quiz :AP foot angle - Answer :low arch: 10 deg high: 15 deg Quiz :OBl foot obliquity - Answer :low arch: obl foot 30 ave: 45 high: 60 Quiz :Cesium Silicon vs selenium - Answer :Cesium Silicon: indirect DR process- xrays converted to light first Cesium Selenium: direct DR process-xrays converted to electrical signal Quiz :IVU purpose - Answer :Intravenous urography (IVU)- for function and anatomy Quiz :Retrograde urography purpose - Answer :for anatomy strictures/stones : pts with contrast allergy, contrast intro into ureters modified lith position **not for function Quiz :OBL kidneys - Answer :kidney closer to IR- perp, kidney farther- parallel Quiz :Cystography pt prep - Answer :pt should restrict fluid intake b/c dilutes contrast Contraindication- UTI b/c spreads to other organs Quiz :PICC - Answer :for prolonged antibiotic therapy + draw blood inserted into antecubital fossa-SVC Quiz :Central line - Answer :Central venous cath (CVC) for admin meds inserted into subclavian- SVC 2.5cm above rt atrium Quiz :Swan ganz - Answer :for hemodynamic assessment, reads Bp, into meds/fluids- subclavian Quiz :Central venous pressure - Answer :CVP inserted in subclavian or femoral vein advanced to rt atrium- measures amount of blood returning to the heart evals rt heart function Quiz :chest tube - Answer :in pleural cavity- 6th intercostals space pleural drainage: fluid- lat, air- ant mid clavicle area Quiz :NG tube - Answer :admin drugs/food, gastric decompression, drain fluid, to treat obstruction, control bleeding -The tip remains open to air to maintain a continuous flow of atmospheric air into stomach: controls the amount of suction that may be placed on mucosa (prevents ulcers) Quiz :Chest kV ranges - Answer :neonate: 65-70kV, PA 110, mobile 80-95 Quiz :Lowest risk of preg - Answer :ten-day period following the onset of menstruation Quiz :Pb thickness - Answer :0.25 mm of lead: 100 kV or less, 0.35 mm of lead: greater than 100 kV and less than 150 kV, and 0.5 mm of lead: 150 kV or greater Protective gonad shields for patients must have a lead equivalent of at least 0.25 mm Pb and should have a lead equivalent thickness of 0.5 mm at 150 kVp Interventional: always 0.5 mm Quiz :Focal spot to skin distances - Answer :Mobile: must not be less than 30 cm Stationary: 38 cm Fluoro: 20 cm, for radioscopic equipment designed for special applications that would be impossible at 30 cm or 38 cm CT: min 15 cm Quiz :HVL aluminum minimums for kV - Answer :60 kV: 1.9mm 80: 2.4 mm 100: 3mm 140: 4.6mm Quiz :how far must you stand for portables - Answer :3meters Quiz :always stand on side of IR - Answer :to reduce dose to yourself Quiz :keep IR close to pt as possible and tube far from pt - Answer :to reduce skin dose Quiz :Weekly QC - Answer :CT number( must be in range of 0-4 HU) CT noise (10% or 0.2HU) Digital subtraction performance Quiz :Monthly - Answer :Cassette cleaning Darkroom humidity and light test Retake analysis- less than 5% CT slice thickness Quiz :Dose limits for rad workers - Answer :whole body: 20msv lens: 150 skin and other organs: 500 Quiz :Dose limits for public - Answer :whole body: 1 lens: 15 skin and other: 50 Quiz :cell damage types - Answer :somatic: appear in individual exposed genetic: affect offspring Quiz :stochastic - Answer :no threshold all rad harmful cancer and genetic effects Quiz :deterministic - Answer :with high levels of rad severity depends on dose skin burns, hair loss, cataracts, hemopietic, GI , central nervous sy syndrome Quiz :Cell radiosensitivity - Answer :High: spermatogina, erythroblasts, lymphocytes Low: muscle and nerve cells Quiz :Tissue/ Organ radiosensitivity - Answer :high: bone marrow, gonads, lymph low:brain, muscle Quiz :ave dose for procedures - Answer :l spine: 7-10 (ap), 15-30(lat) Ap abdo: 7-15mGy Chest: 0.2mGy Skull: 4 EMAIL ME: For help with report, Assignment, Essay and thesis writing Pelvis: 5-10 Quiz :OBL hand demo - Answer :3-5 MC bases SI ulnar styloid in prof trapezium well demo Quiz :AP/ Lat forearm demo - Answer :AP:Medial humeral epicondyle in prof Lat: Coronoid SI rad head 50% Quiz :Humerus - Answer :Lat: lesser tubercle medial Quiz :Shoulder humeral head rot - Answer :int: LT in prof med, GT fully SI neutral:GT partially SI Quiz :Glenoid view (grayshay) - Answer :rot 35-45 acromion and corocoid in same plane clavicle foreshortened Quiz :Y view - Answer :for dislocations Quiz :axial shoulder (lawrence) - Answer :for tendon and muscle insertion Quiz :Purpose of standing foot - Answer :assess longitudinal arch Quiz :ankle stress views demo - Answer :subluxation Quiz :axial calcaneus (plantodorsal) - Answer :40 ceph CP: level of base of 5th MT Quiz :Ext Obl knee demos - Answer :tibial spines SI Quiz :Correct lat knee flex - Answer :20-30 Quiz :Intercondylar notch - Answer :over flexed knee- patella in notch under- patella sup on femur Quiz :frogleg (lat view of neck) - Answer :flex 60, abduct 45 (puts GT 1/2 way between femoral head and LT) LT in prof med