Missed Saia Questions Flashcards
Insect involved in the spreading of disease -
Vector
Patient indicating by behavior the acceptance of treatment -
implied consent
What you can see regarding a patients condition as well as test results -
signs
minimum lead equivelence for protective aprons used in fluoroscopy -
0.5mm
Nervous tissue of an embryo-fetus is most radiosensitive at -
8-15 weeks
developing epilation 4 days after exposure to ionizing radiation -
somatic
Gastrointestinal syndrome occurs with a dose of -
600-1000 rads
Threshold dose for gastrointestinal -
600 rads
alteration of the dna base sequence due to ionizing radiation -
mutation
type of ionizing radiation causing the most tissue damage -
alpha
Quality factor for Alpha particle -
20
whole body cunulitive lifetime exposure of a 31 year old tech -
31 rem
interaction between very low energy photons and entire atom is -
classical
Possessing MASS -
is not a property of low LET
Gamma -
is not an exmple of matter based ionizing radiation
interaction most responsible for absorption of xray energy by matter -
photoelectric
Fetal dose limit for an entire 9 month gestation -
0.5 rem
annual dose limit for whole body exposure general public -
0.5 rem
interaction between high energy photons and inner shell electrons -
photoelectric
Fetal dose limit for an entire 9 month gestation -
0.5 rem
annual dose limit for whole body exposure general public -
0.5 rem
interaction between high energy photons and inner shell electrons -
photoelectric
compton and photoelectric are:
ionizing interactions
interaction between moderate and outer shell electrons -
compton
Gamma -
not a low LET ionizing radiation
Oxygen rich tissue suffers damage -
2-3x greater than oxygen poor
The contrast materials routinely used for dual contrast study of the large intestine include -
air and barium
The willful and intentional misrepresentation of facts is known as -
fraud
A patient contracting a disease while in the hospital is -
nosocomial infection
The study of the human body in relation to its environment is known as -
ecology
Rate of speech, eye contact, and readiness of the xray room…
communicates messages to the patient
A chest drainage system must always be kept -
below the level of the patients chest
an inanimate object involved in the spread of disease is known as -
fomite
The period of contraction of the hearts ventricles is known as -
systole
AP oblique foot rotated internally -
30 degrees
Knee position that demonstrates an open inter condylar fossa is -
holmblad
Shoulder position that demonstrates the greater tubercle in profile -
AP external rotation
For the PA Axial (Caldwell) sinus projection the OML is placed at an angle to the IR -
15 degree
Stecher wrist method CR angled -
20 degrees toward elbow
For the AP oblique foot position CR is directed -
perpendicular to IR
For the AP axial foot the CR is directed -
10 degrees cephalic
The ear of the Scotty dog -
superior articular process
The cervical intervertebral foramina are best demonstrated -
axial oblique
The space formed by the body and the posterior arch of the vertebra is -
vertebral foramina
Cervical PA axial projection with patient RAO the intervertebral foramina seen are -
right side close to IR
The intervertebral foramina accommodate the passage of the -
nerve roots
When the patient is LPO for AP oblique lumbar we see -
left facet joints close to the IR
The respiration phase for imaging the lateral lumbar spine is -
suspended expiration
An absolute contraindications for the vascular injection of iodine contrast is -
patient taking Metformin/glucophage
PA waters sinus projection the Petrous ridges should be seen -
at the lower margins of the maxillary sinus
Ap lumbar spine the CR is directed -
L3
Intervertebral foramina of the lumbar spine are best demonstrated -
lateral
Large muscles along the lateral aspect of the Lspine are -
psoas
Angle formed by the curvature of the right sided large intestine -
right colic flexure
Normal curve of Tspine is -
kyphosis
Sinus projection that best demonstrates the frontal sinuses -
PA axial (Caldwell)
Nose of the Scotty dog -
transverse process
Eye of the Scotty dog -
pedicle
Being able to see Schatzkis ring in stomach image is -
hiatal hernia
Normal curve of Lspine -
lordosis
Ap small bowel, CR -
iliac crest
Most superior portion of sternum -
manubrium
Pa axial (Caldwell) sinus, CR -
nasion
Tissue structures connecting bone to bone -
ligaments
Cluster of capillaries contained within the capsule of a nephron -
glomerulus
Twisting of intestine upon itself -
volvulus
The right and left hepatic duct combine to form -
common hepatic duct
The position that best displays the right hepatic flexure in profile -
RAO
As a contrast material, air is described as -
negative/ Radiolucent
LPO position of colon, CR -
iliac crest
RAO esophagus, CR directed -
t5/t6
Inferior angle of the scapula is located at -
T7
Most proximal portion of small intestine -
duodenum
Transverse foramina of the cervical bodies accommodate passage of -
vertebral artery
Position that best demonstrates splenic flexure in profile -
LAO
Joints that have no movement -
SYNARTHROTIC
Sinuses that are just inferior to sella turcica -
sphenoids
Position that best demonstrates an air filled duodenum in profile -
LPO
Bicep muscle inserts into the forearm at the -
radial tuberosity
With patient in recumbent RAO stomach position, air will be found within the -
Fundus
Cervical ap axial projection w/patient RPO the intervertebral foramina seen -
left side far from IR
grid ratio is determined by the relationship of the -
height of lead strips to distance between lead strips
Acceptable range of variation in sensitometric speed and contrast measurement is -
+/- .15 OD
The degree of DIGITAL image blackening is known as -
Brightness
An increase in SID will result in -
Decrease in image density
When measuring a body part of varying thickness, the caliper should be placed -
along the path of central ray
The portion of sensitometric curve representing maximum optical density is known as -
D-max
With a fixed KVP chart variation for patient size is based upon -
+/-20% mAs per cm
Recorded detail is diminished by -
A decrease in SID
As contrast increases exposures latitude -
Decreases
Recorded detail can improve by increasing -
SID
Increasing grid ratio will result in -
Shorter scale contrast
Grid frequency is also known as -
Strip density
As the amount of reduction in a films emulsion increases the effect on the film is -
Increased density
Developer solution losing electrons results in its -
Oxidation
The addition of an electron to a positively charged silver ion results in -
Reduction
The standard formula for calculating air gap technique in place of a grid is -
10% of SID
as radiographic film contrast increases film latitude -
Decreases
Biliary calculi may be removed from the bile duct via -
ERCP
Electrons are accelerated from cathode to anode by -
kiliovoltage
Bucky slot cover for fluoro -
.25mm lead
A primary barrier -
1/16” of lead
The xray absorbing ability of a primary barrier -
lead
A synchronous spinning top displaying an arc of 60 degrees indicates an exposure time -
1/6th of a second
Factor that has primary control of beam quality -
KVP
The process of “hardening” the xray beam -
increasing filtration
The amount of total beam filtration must be equivalent to -
2.5mm of aluminum
The factor that has primary control of beam quantity -
mAs
Xray interactions with matter due to collision with orbital electrons include -
Compton, photoelectric
The component of an image intensifier that converts xray energy into visible light energy -
input phosphor
When using positive beam limit, the light field is allowed to vary from the IR by no more than -
2%
The interaction that does not occur in the diagnostic medical range -
pair production
The interaction most responsible for xray absorption in matter -
photoelectric
The interaction that results in photon energy being directly absorbed by the nucleus of the atom is -
photo disintegration
The interaction that results in the creation of a positron is -
pair production
The interaction between very low energy photons and the entire atom is -
classical
The interaction that only occurs at energy levels above 1.02 MEV is -
pair production
Xray interaction with matter that result in the ionization of matter include -
Compton, photoelectric
As the amount of beam filtration increases beam quality -
increases
The filament of an X-ray tubes cathode is composed primarily of -
tungsten
the photocathode of an image intensifier is composed of -
antimony
the unit that quantifies electrical power is the -
watt
the number of electrons in motion is known as -
amperage
the unit that quantifies the force of electron propulsion -
volt
an auto transformer functions through the process of -
self induction
the electrical component with the function of reconfiguring wattage is the -
transformer
the electrical component that functions as a variable resistor is -
rheostat
A transformer with a fixed ratio of 1000:1 is known as -
high voltage transformer
the component of an image intensifier that converts electron energy into visible light energy is the -
output phosphor
the component of an image intensifier that converts visible light energy into electron energy is -
photocathode
SID accuracy is allowed to vary by no more than -
+/-2% of SID
