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CAMRT Questions with 100% Actual correct answers
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CAMRT Questions with 100% Actual correct answers
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CAMRT15% incr kV is equivalent to - ANS-doubling mAs but no dose increase
adverse reactions to contrast - ANS-Mild: cough, itching, rash/hives, swelled eyes- dont
need treatment just monitor 30 mins
Mod: respiratory difficulties (dyspnea, wheezing,) pulse change, Bp change- treat with
benedryl
Severe: respiratory distress, heat attack
Air gap technique - ANS-reduces scatter, increases contrast
IP 10-15 cm away from pt
mAs increase 10% for every cm gap
Not effective with high kV
Airborne - ANS-pt should wear mask when removed from negative pressure room
TB, varicella (chicken pox), SARS, rubeola (measles)
Aliasing/ Moire - ANS-wavy grid artifact
common with low freq stationary non moving grid
grid strips parallel with scan direction (should be perp)
always stand on side of IR - ANS-to reduce dose to yourself
Anaphylactic shock - ANS-mild: congestion, swelling eyes, tight throat
mod: warm flush+ itch, dyspnea
severe: vomitting, decr Bp, cramping
ankle stress views demo - ANS-subluxation
Ant Obl Cspine - ANS-PA: 15-20 caudad IV foramina closest to IR open
LAO shows lft foramina
Ant Obl ribs - ANS-PA: show ribs away from IP
RAO shows left ribs
Ap Cspine angle - ANS-15-20 more if supine b/c lordosis
AP foot angle - ANS-low arch: 10 deg
,high: 15 deg
AP knee angle - ANS-18 cm and less: 5 caudad
19-24cm: no angle
25cm +: 5 ceph
AP/ Lat forearm demo - ANS-AP:Medial humeral epicondyle in prof
Lat: Coronoid SI rad head 50%
Apical chest - ANS-15-20 ceph
or stand 30 cm away
Apposition - ANS-distance between broken bone fragments
Distraction: fully apart
ave dose for procedures - ANS-l spine: 7-10 (ap), 15-30(lat)
Ap abdo: 7-15mGy
Chest: 0.2mGy
Skull: 4
Pelvis: 5-10
Axial bladder - ANS-10-15 caudad
axial calcaneus (plantodorsal) - ANS-40 ceph CP: level of base of 5th MT
axial shoulder (lawrence) - ANS-for tendon and muscle insertion
axiolat coyle (radial head view) - ANS-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
Ba Enema tips - ANS-insert tube ant + sup
hang bag 46cm 18inch
24 hrs prior clear liquid diet
Ba Enema views - ANS-Shisard: PA (30 caud) Rectosigmoid
, LPO/RAO: hepatic/colic flex, asc colon, sigmoid
RPO/LAO: splenic, desc
Back up timer - ANS-exposure should terminate at 6 sec or 600mAs
Big pt attenuates - ANS-more xrays
Blood pressure - ANS-normal 90-120/50-70
if systolic140 + and distolic 90+ = hypertensive
if systolic less than 90 = hypotensive
Cardiogenic shock - ANS-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
carpal bone ossification order - ANS-capitate - 1yr
hamate - 2
triquetral -3
lunate -4
scaphoid- 5
trapezium 6
trapezoid 7
pisiform - 10
cell damage types - ANS-somatic: appear in individual exposed
genetic: affect offspring
Cell radiosensitivity - ANS-High: spermatogina, erythroblasts, lymphocytes
Low: muscle and nerve cells
Central line - ANS-Central venous cath (CVC) for admin meds inserted into subclavian-
SVC 2.5cm above rt atrium
Central venous pressure - ANS-CVP inserted in subclavian or femoral vein advanced to
rt atrium- measures amount of blood returning to the heart
evals rt heart function
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