Advanced Procedures Final

Who is considered to be the "Father of Scientific Management"

the DELs per mm determine the sampling frequency and therefore, spatial resolution

The input phosphor of an image intensifier tube converts ____ image into an ___ image

The window width setting in a imaging system is used to manipulate

what is the CONTROLLING factor for image contrast

The antiseptic used to cleanse the skin before venipuncture should remain on the skin for

In departments with a quality management program, the greatest number of repeat images is caused by

Noise reduced contrast resolution and therefore detail

In direct capture DR systems, remnant radiation is converted into an electronic signal by

When referring to "signal" in SNR, signal refers to exposure to the IR essentially

Which of the following is treatment for infiltration

The percentage of or fraction of cases that are diagnosed correctly

What is the angle of the needle to the skins surface during venipuncture?

What does this image artifact represent in a CR system?

If the bit depth of an MRI scanner is 12 bits, how many gray shades can be present in the image

Which of the following terms best describes variables that have only two values or choices

The gauge of a needle is a measure of the

variability allowed for mAs linearity is

DQE is a measure of which of the following

During venipuncture, how far above the site of the puncture is the tourniquet placed

The most important component affecting the spatial resolution is

Which of the following can occur as a result of a double set of grid lines

Which of the following is not part of an image intensifier tube

Which of the following is the main advantage of using a multifield image intensifier

The rad tech may initate venipuncture and administer meds on the order of: 1) physician 2) RN 3) Rad tech supervisor

Which of the following is true with regard to the use of injection needles used for venipuncture

Focal spot size can increase with age and use and with increases in ma station selected. This phenomenon is known as

What are the components of digital image processing

A CR plate can be fogged but a DR detector cannot

Which of the following should be part of initial acceptance testing of a digital radiographic system

If the outer edges of the receptor demonstrate increased exposure what is the QC issue related to

What is the limitation of the beam restriction to collimated field for allowable variance

Before venipuncture, the rad tech must assess: 1) pt age 2) allergic reaction to iodine 3) adverse reactions

The brightness of light projected on a given surface is known as

Blotchy appearance caused by insufficient number of xrays covering the IR is

After the needle enters the skin, the angle of the needle is reduced how many degrees to the long axis of the vessel

All of the following are moderate reactions to contrast, expect:

The key concepts of an effective risk management program include

A reduction in brightness at the periphery of the image captured with an image intensifier tube is referred to as

Lag time on conventional fluoro should be no more than

Which of the following is an advantage of digital radiographic systems vs analog(film) radiography?

Which of the following should a QC program include: 1) visual inspect 2) environmental inspect 3) performance testing

The brightness of light projected on a given surface is known as

Projecting a curved surface onto a flat surface and mag increased toward the peripheral of the image

Going from a 256x256 to a 512x512 matrix doubles an images

Ability of an imaging system to distinguish structures with similar xray transmission as separate entities is known as

QC tests of fluoroscopic systems should be performed

Two common QC tests that should be performed on grids are grid ___ and grid ___ tests

How many shades of gray can a 10 bit system display

Which of the following are normally considered external customres for healthcare organizations

IV. Medications are administered via the ____ system

A byte is made up of

How many shades of gray, on average, can the human eye detect

Max variability allowed for reproducibility of exposure is

How many basic steps are involved in the creation of a thought process map

How many levels of quality control testing and monitoring are there?

The video monitor of a fluoro system should be evaluated with a test pattern created by which of the following orgs

Which of the following are image quality factors? 1) contrast resolution 2) spatial resolution 3) noise 4) artifact

A pinhole camera will evaluate for ___

Which of the following are included in the three levels of quality: 1) expected 2) perceived 3) actual

A photocathode

Luminance is a measurement of the brightness of the bulb/source

Mandates that any nonhospital institution performing advanced diag services must be accredited to receive fed funding

HVL for an xray unit operating at 80 kVp

The range of variation around the mean is called

Which fed agency is responsible for establishing standards for safety and for monitoring the workplace enviroment?

Known as the first to use a systematic approach to collecting and analyzing mortality rates and other data in hospitals

The term defined as the expense of not doing things right the first time

The vacuum tube which allows free flow of electrons from photocathode to anode is made of

Which of the following is most often used in the input phosphor of an image intensifer

Fluoro equipment with an automatic brightness control should not produce an exposure exceeding ____ R/min

An example of a patient artifact is ____

HVL stands for ___ and it is a measurement of ____

Which gives the best image detail large or small matrices

An investigational level used to identify unusually high radiation doses for common diag medical xray procedures

Which post processing function expands or contracts the range of shades of gray

A photodiode

The type of contrast that is caused by variations in the tissue density within the anatomical part to be imaged is

When blood or the medication injected into a vessel leaks out, it is called

Patient motion during exposure results in ___ artifact

Type of contrast that is caused by variations in the tissue densities

Lumens is measured in Candela

Which modality generally display the greatest spatial resolution

Benefits of digital PACS images do not generally include

The number of items actually measured from a population is called a

A high signal to low noise ratio is desired for optimal resolution

Data for determining repeat rates should include at least ____ patients

Guidelines from which of the following organizations must be adhered to with regard to venipuncture administration

A test pattern is displayed on a PACs monitor displaying several line pair combinations. This is used to evaluate

The min filtration required for general purpose radiographic systems is ____ mm Al

The ability of an imaging system to create separate images of closely spaced high contrast objects

DQE is a measure of which of the following

Established min standards for accreditation of education programs

What type of motion is used to cleanse the skin before venipuncture

Performance testing of fluoro systems must include all the following expect

Max dose to teh fetus of an occupational worker for the entire gestation period

which of the following would not be a part of an indirect capture active matrix array

The increase in image brightness resulting from the difference in size between the input and output phosphors

A cause and effect diagram is also known as

The measurement of the level of quality at some point in time with no effort to change or improve the level of care is

A process/system, to identify and reduce waste in an org is

Which of the following are suitable veins for venipuncture

An artifact known as ghosting is a result of ___ demonstrating a phantom image

a voluntary method used to assess organizations and determine whether they meet minimum established standards

Which of the following is not a "tube" type of television camera

Which of the following terms best describes the average set of observations

Any activity that costs a facility either money or its reputation is known as

W.Edwards Deming's management approach can be summarized by his ____ points

Wavy lines or "zebra" pattern in an image is

A harmful or unintended incident that may occur during any diagnostic procedure

Which of the following artifacts can occur in both CR and film/screen radiography

Dynamic range of a system means

What is the controlling or limiting aspect of an imaging systems ability to display contrast

Fixed fluoroscopic distance limit for source to skin distance

Which of the following listings is the most reliable predictor of risk for allergic response to contrast media

Invasive quality control equipment testing is considered to be ____ and performed by engineers or physicists

A synchronous spinning top test measures

What is optimal efficiency in generator wave form ripple

kVp must be accurate to

a DR flat panel detector element size will help determine

which of the following uses photostimulable phosphors

Which of the following is not a tool for data presentation

What is the unit of measurement for spatial resolution/frequency

A photocathode is a device that emits

Syringe size should be one size larger than volume to be injected

Which of the following statements is correct about the 80/20 rule

Which of the following is a pictorial representation of a frequency distribution?

fluoroscopic scan mode by which the xray tube delivers radiation in short, high intensity pulses

A high contrast image =

Customers who come from outside the healthcare organization are referred to as

The principal lab test used to evaluate renal function prior to the injection of iodinated contrast are the BUN and

The limiting factor to spatial resolution is the Nyquist frequency and it is equal to 1/2 the sampling frequency