2024 Flashcards
schatzi ring is seen in which portion of the gastrointestinal tract
esophagus
the esophagus is ________ to the trachea
posterior
the filling of the inner - shell electron vacancy in the photoelectric effects is called the
cascade effect
a mekel diverticulum is seen in what part of the GI track
distal ileum
as what shell level does photoelectric absorption take place
inner shell K or L
for exposure timer accuracy testing, the acceptable percentage of accuracy must be plus or minus what percent
5
for the Gaynor - Hart method of hand x ray, state the range the CR is angled to the long axis of the hand
25 - 30 degrees
for the norgaard method or projection is also commonly called what position
ball catchers position
in a laser scanner, what device is responsible for amplifying light & sending it forward to the ADC
photodetector
in indirect digital conversion - what is the photoconductor constructed of ?
hydrogenated amorphous silicon
in what x radiation interaction does the Auger effect occur
photoelectric
refers to the ability of the digital system to display subtle changes in shades of gray
contrast resolution
refers to the range of exposure diagnostic image values the image detector is able to produce
latitude
state the formula for figuring penumbra
focal spot size x OID/SOD
term that describes the efficiency of a system in how it converts x ray input signal into a useful output image
quantum efficiency
the medical condition where the lungs are not fully inflated
atelectasis
the fisk modification view is of what body part
bicipital groove
SI joints are known as what type of joint
irregular gliding or synovial fibrous joint
the term used to describe the force or strength of electron flow
potential difference
the act of listening to sounds of the body with a stethoscope is known as
auscultation
broviac & hickman are types of
central venous catheters
unicellular organisms that are neither plants nor animals
protozoa
a Eukaryotic organism with a nucleus & membrane bound organelles
fungi
chemicals that alter the environment available to the microbe are called
disinfectants
the practice of reducing the number of microorganisms to safe levels
sanitizing
the removal or destruction of infected material
medical asepsis
a levin tube is a common single lumen tube used as a
NG tube (nasogastric)
the radiation absorbed dose that affects different organs and organ systems is derived from the
EfD or effective dose
the highest amount of natural background radiation comes from what source
radon
