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Terms in this set (155)
Limiting the primary beam can reduce the exposure outside of the xray field by ____ times
SI unit for RAD
Filters remove low E photons that would contribute to
Increased skin dose
SI unit for REM
Primary barrier is how thick?
Secondary barrier is how thick?
Grid in which grid lines are situated parallel to divergence of the beam
Greatest effect on resolution in digital
During a waters, the OML forms what angel?
To view the T spine zygopohyseal joints, how much do you rotate the patient from a lateral?
15-20, it's 70-75 total
Where do you center for a lateral facial bones?
Where do you center for lateral sinuses?
Where do you center for a lateral skull?
2 inches above EAM
Best position for duodenal bulb
Best position for fundus
For the sigmoid, which way to you angle if it's PA?
40 caudal, angle cephalic if it's AP. (If you see the butt angle towards it)
The optic foramen is found in what bone?
What is not a method of sterilization?
Type of drug that treats toxic effect
If a patient has had a pacemaker put in within the last 24 hours, what do you do during a portable?
Do not move their left arm
the majority of radiation damage that occurs to DNA is by ____ hit
the scattered photon after a compton reaction has a ____ wavelength than the original photon
the scattered photon after a classic coherent reaction is___ than the original one
the same wavelength
occupational radiation monitoring is required if the employee gets at least _____ a year
in film detectors, the purpose of the metal filter is
to determine the E
the II output screen is made of
zinc cadmium sulfide
in CR, the sampling frequency and the pixel pitch determine the
to demonstrate the proximal tib/fib articulation in the supine position, how must the lower leg be rotated?
the rectosigmoid is best demonstrated on what 2 projections?
axial and lateral
3 ways to test for TB
skin, chest, blood
blue coloring of the skin, lips, and nail beds
the anode heel affect is caused by
xray absorption at the annode
structure of T spine that articulates with the anterior portion of a rib
none- the anterior ribs articulate with the sternum
the VRSA test is for
in order for an infection to be transmitted, this must be present: organism, host, and _____
object carrying an infectious organism
an organism that transmits a disease
Air KERMA is measured in
Leakage radiation should be protected by how much lead?
The dose rate at the table top cannot exceed ____ R per minute
The hands of the tech cannot receive over ______ mSv a year (50 REM)
How much radiation can a radiation worker receive per quarter?
Primary barrier walls must be at least ____ tall
Lead aprons must be _____ mm lead equivalent
NCRP #116 states
Limitation of exposure to ionizing radiation
Unit of exposure dose of gamma or X-rays
A 1/10 exposure is made on a full wave, single phase generator. A spinning top would show how many dots?
12 (120 pulses per second on full wave so 110 second exposure would show 12 dots)
Stores electrical charges
AC is usually measured in
RMS on a single phase
Formula for shell energy
Linearity must be within + or -
An excessive amount of electrons at one end of a conductor with a deficiency at another
Unit of electric charge
capacitance is measured in
what type of radiography uses a 2 step process?
what type of current does the xray tube use
10 bit processors provide how many shades of gray?
Agfa uses _______ numbers (1.9-2.5)
the output phosphor is made of
the input phosphor is made of
will an xray tube last forever? Why not?
No, the filament wire will break
carestream uses exposure ______ 2000+1000+ log of exposure
ratio of photons at the output phosphor vs the input phosphor
type of phosphors randomly suspended in the phosphor layer
type of phosphors grown into columns within the phosphor layer
what factor has the biggest effect on density?
fractional focal spots are used for what type of radiology?
the minimum matrix size that can be used in digital radiography is
grid cutoff causes a _____ radiograph
10x12 plate has a ___ lp/mm spatial resolution
a typical digital radiograph contains _____ megabytes of information
the chemicals in the processor should be changed once a ____
used to connect a computer outside of the hospital to the hospital's server
VPN- virtual private network
off center grid cutoff will demonstrate _____ side (s) exposed
off distance grid will demonstrate ____ side (s) exposed
How much will you increase kVp for a plaster cast?
trochlea is _____ to capitulum
the trapezium articulates with the _____
this skeleton consists of the extremities and pelvis
the axial skeleton consists of
head, neck, and trunk
the longitudinal arch of the foot is used for
the latitudinal arch of the foot is used for
demoral is what type of drug
A good BUN
nitroglycerin is a ____ type of drug
4 times a day
average resp rate in adults
12-20 per minute
phren usually means
poor kidney function is demonstrated by a GFR that is less than
Contaminated food is by a
normal creatinine levels are from 0.6 to
the open mouth waters projection is for what group of sinuses
for a caldwell during a trauma, the CR is centered at the
what facial bone articulates with the perpendicular plate of the ethmoid?
what landmark alines with the floor of the cranium?
aphasia means loss of ____
the base of the cranium contains the rt and left temporals, the ethmoid, and the
condition in which the ventricles of the brain is filled with a large amount of cerebrospinal fluid
Lateral TMJ Schuller method has what CR angulation
Lateral TMJ Law method has what CR angulation
the calvarium, or skull cap, consists of the frontal, occipital, and
what duct is also known as the Stensen's duct
for an axiolateral oblique mandible, if the patient is lateral.. the tube is angled _____ degrees cephalad
for an axiolateral oblique mandible, if the head is 15 degrees, how much is the CR angled
the large foramen in the inominate bone
AP pelvis shows how many moveable joints?
the spinal cord stops at what lumbar vertebrae
what is the shape of the thoracic spine? The lumbar spine?
45 degree lumbar oblique is for
45 degree cervical oblique for
70 degree thoracic oblique for
organ of voice
umbilicus lies at what lumbar?
3rd and 4th
tissue dies due to lack of blood, and decomposes
what duct transports bile from the gallbladder
this duct allows passage of lymph into the left subclavian vein
blood clot in a vessel
when a clot breaks loose it is called
best demonstrates the pylorus and duodenal loop
the braciocephalic, left subclavian, left common carotid, and left and right coronaries branch from the
pyloric stenosis is most commonly found in
RAO of the stomach, the CR enters at what lumbar vertebrae?
common passageway for food and air?
this can be gross and microscopic
collapsed or airless condition of the lung
thyroid cartilage is at the level of
lacking the blood clotting substance
duodenum is usually found in the _______ region
the aorta arises from the _____ ventricle
proximal, funnel shaped portion of the ureter
T tube cholangiography would ____ gallbladder surgery
bile duct that leads directly from the liver
common hepatic duct
pneumothorax requires a ______ in technique
the effective focal spot is also known as the ___ focal spot
the job of the developer is to convert ____ crystals into black metallic silver
the _____ of the stored histogram model help determine what section of the histogram data set will be included in the display
Increasing thickness of phosphor layer in the intensifying screen will _____ intensity and ______ recorder detail
increase intensity and reduce recorded detail
costochondral joints are what classification?
freely moveable joints
the pubic synphysis and vertebral joints are what classification?
what classification are the sutures of the skull?
where is the glomerulus?
what is the most anterior and moveable portion of the colon?
transverse- sigmoid is also highly moveable
pain relief without loss of consciousness can be produced by what type of drug?
this type of drug helps with muscle spasms and abdominal cramps.. glucagon is an example
nitroglycerin is what type of drug?
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