Examverse

An increase in technical factors is likely to be required for the following condition(s) 1. Emphysema 2. Atelectasis 3. Ascites A 1 only B 1 and 2 only C 2 and 3 only D 1, 2, and 3 c Which of the following help(s) to reduce patient dose? 1. Tube filtration 2. Proper beam alignment 3. Operator shield 4. Automatic Exposure Control (AEC) A 1 and 2 only B 2 and 3 only C 1, 2, and 4 only D 1, 3, and 4 only c Which of the following is used to express the effectiveness of...

Iron is an example of a _______________ material. Ferromagnetic For trauma radiography, a radiographer could best acquire images of a lateral distal femur by: acquiring a cross-table lateral femur with a lateromedial projection Total brightness gain for the image intensifier is calculated by: flux gain multiplied by minification gain. A person with acute radiation syndrome does not demonstrate signs of illness during the ________ period. latent An adult patient h...

The door interlock should be checked daily What is the main disadvantage of using a film badge to monitor radiation exposure? A long time is required to process film to determine dose Leak tests of sealed radioactive sources should be conducted at _____ intervals 6 month For megavoltage radiation, the most economical barrier material is: concrete The annual limit for occupational exposure to the hands is ____ annually 50 rem The annual dose limit for membe...

A dose area product (DAP) meter measures dose using the following EXCEPT: A) number of ionizations B) field size C) distance D) number of photons C) distance The auricular surface of the ilium articulates with the: sacrum Sesamoid bones of the foot are usually located beneath the: head of the 1st metatarsal A primary benefit of the AP oblique projection, or Grayshey, of the shoulder is that the: glenohumeral and scapula humeral joint spaces are open. kVp is se...

Hydrogen Nuclei in fat and fat Differences in chemical shift at.... 1T-3.5 T parts per million majority of nuclei align.... Parallel Net magnetization vector (NVM) Excess number of H protons aligned with magnetic field Larmar equation: W? Precesional frequency Larmar equation: Y? Gyromagnetic ratio Larmar equation: B0 Magnetic strength Gyromagnetic ratio of H at 1T? 42.58 MHz/T (center frequency) Gyromagnetic ratio at 1.5T? 63.86 M...

M/C: Which of the following are true for an AP coccyx projection? 1. 15 degree cephalic angle. 2. 10 degree caudal angle 3. center 2 inches superior to the pubic symphysis 2 and 3 More windings on the primary side of the transformer will create ____ voltage on the secondary side. less In the construction of a radiographic grid, what defines the grid ratio? height of lead strips compared to the distance between them What positioning technique could help enhance the qu...

Which anatomical structure should not be seen in its entirety on an anteroposterior (AP) pelvis radiograph? Lesser Trochanters What prior testing should be performed before a routine radiograph of the pelvis is started on a 25-year-old female? Pregnancy Test How many vertebrae are present in the cervical vertebrae? 7 What is the correct central ray (CR) angle and direction for posteroanterior (PA) oblique projections of the cervical spine? 15 degrees caudal At wha...

Units of radiation absorbed in the air? Gya The change in the x-ray beam as it travels through a patient? attenuation photon tissue interaction that makes radiology possible because of it's creation of contrast? photoelectric interaction (fully absorbed = contrast) Unit of radioactivity? becquerel unit of effective dose? Sievert Linear energy transfer ... varies for different types of radiation unit of Bq would be used in what imaging modality? N...

Ionizing Radiation radiation that is able to remove electrons from an atom through ionization Somatic effects refers to the effects of radiation to the body being irradiated Genetic Effects refers to effects of radiation to a germ cell's genetic code; effects the next generation Primary radiation radiation exiting the x-ray tube Remnant radiation (or Exit Radiation) x-rays the leave the patient and strike the image receptor attenuation absorption and sca...

Study guide for the ARRT exam in radiography. Anatomy and positioning are not covered in this study guide. What is a tort? A violation of civil law. Torts are also known as ________. Personal Injury Law If a patient is apprehensive about being injured, or a radiographer causes fear in the patient, it is known as ________. Assault Unlawful touching or touching without consent, harm resulting from physical contact with the radiographer, and imaging the wrong body pa...

What is the TD 5/5 for the kidney? 23 Gy What would a QA level 1 action item require? Inspection, but treatment can continue What is the backscatter factor at the level of Dmax? Tissue Air Ratio (TAR) What technique can be used to accomplish forced shallow breathing? Gating What are the parts of the oral cavity? Floor of the mouth, retromolar trigone, gingiva, anterior 2/3 of tongue, hard palate What is the tolerance for gantry & collimator angle indicator...

Rheostat What type of device is the mA selector? 7; 20 The angle of the anode in the region of the target has a variation of ________ ° to ________ °. 10 days to 6 weeks of development Exposure of an embryo or fetus to radiation from ________________ can result in congenital abnormalities. kilovoltage The quality of x-ray photons is affected by: 15-20; caudad For a posteroanterior (PA) axial oblique projection of the C-spine, the central ray is angled ________...

Main property of x-radiation that makes it potentially hazardous is its ability to? Ionize Describe the damage potential of ionization? Chain reaction in the human body that may eventually cause biologic damage. X-rays are from the Electric Magnetic Spectrum or radiation energy and is considered harmful in high energy ranges. What is the most likely potential hazard working with diagnostic radiology? Carcinogenesis - Stochastic/Non-Threshold Effect .1 Rem = ? Seivert 1 S...

What radiographic procedure must you use sterile gloves for touching items on the tray? Myelogram Written defamation of character is known as? Libel Which drug would you administer when a patient develops urticaria? Antihistamine What is another name for hives? Urticaria A skin rash triggered by a reaction to food, medicine, or other irritants. Hive Or Urticaria Transmission of an infection by insects such as a tick or mosquito is known as a? Vector...

Elongation (body part appears longer than normal) is caused by angulation along the ________ axis of the part being imaged. Long Foreshortening (body part appears shorter than normal) is caused by angulation against the ________ axis of the part being imaged. Main Grids are constructed of ________ strips separated by ________ interspacers. 1) Lead 2) Aluminum The height of the lead strips divided by the distance between the lead strips is known as: Grid Ratio Gri...

According to the National Council on Radiation Protection and Measurements (NCRP), the gestational dose-equivalent limit for embryo/fetus of a pregnant radiographer is 0.5 mSv The annual occupational whole-body dose-equivalent limit for students under the age of 18 years is 1 mSv (100 mrem or 0.1 rem) The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the use factor number of x-ray exposures made per week workload ...

erms in this set (760) Original Study guide for the ARRT exam in radiography. Anatomy and positioning are not covered in this study guide. What is a tort? A violation of civil law. Torts are also known as ________. Personal Injury Law If a patient is apprehensive about being injured, or a radiographer causes fear in the patient, it is known as ________. Assault Unlawful touching or touching without consent, harm resulting from physical contact with the radiogr...

Europium-activated barium fluorohalide is associated with PSP storage plates The threat of bodily harm, with apparent ability to do so, is termed Assault An acute reaction caused by ingestion or injection of a sensitizing agent describes Anaphylaxis As the CR laser scanner/reader recognizes the photostimulated luminescence (PSL) released by the PSP storage plate, it constructs a graphic representation of pixel value distribution called a Histogram An accurately po...

What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasation d. luminal a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell ...

Study guide for the ARRT exam in radiography. Anatomy and positioning are not covered in this study guide. What is a tort? A violation of civil law. Torts are also known as ________. Personal Injury Law If a patient is apprehensive about being injured, or a radiographer causes fear in the patient, it is known as ________. Assault Unlawful touching or touching without consent, harm resulting from physical contact with the radiographer, and imaging the wrong body pa...