ARRT PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS

ARRT PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS "A skin rash triggered by a reaction to food, medicine, or other irritants. - CORRECT ANSWER Hive Or Urticaria" "Transmission of an infection by insects such as a tick or mosquito is known as a? - CORRECT ANSWER Vector" "When an object is free of all microorganisms it is termed? - CORRECT ANSWER Sterile" "What type of radiographic procedure requires an intrathecal injection? - CORRECT ANSWER Myelogram" "______ is a route of administration for drugs via an injection into the spinal canal - CORRECT ANSWER intrathecal" "Which gauge size has the biggest lumen? - CORRECT ANSWER The smallest number gauge has the biggest lumen" "If the CR is angled 40° Cephalic what projection of the calcareous so calcis are you taking? - CORRECT ANSWER Plantodorsal Projection" "In the thoracic cavity each lung is enclosed in a? - CORRECT ANSWER Pleura" "The best way to control voluntary motion is? - CORRECT ANSWER Careful explanation of the procedure to the patient" "What is demonstrated on the oblique position of the cervical spine? - CORRECT ANSWER Intervertebral foramina" "In relation to the Esophagus the trachea is located where? - CORRECT ANSWER The trachea is anterior in relation to the esophagus" "Which position will demonstrate the right axillary ribs? - CORRECT ANSWER RPO Or LAO" "The manubrial notch is located at the level of? - CORRECT ANSWER T2-t3 interspace" "Which projection of the ankle would best demonstrate the distal tibio fibular joint? - CORRECT ANSWER Medial oblique 45°" "What is the position of the gallbladder in a Asthenic patient? - CORRECT ANSWER Inferior and medial" "The sternoclavicular joint is best demonstrated with the patient PA and ? - CORRECT ANSWER A slightly oblique position with the affected side adjacent to the IR. RAO" "What position will demonstrate the patients left kidney parallel to the IR and the right kidney perpendicular to the IR? - CORRECT ANSWER 30 degrees RPO or LAO" "Which position will demonstrate the lumbar intervertebral foramina? - CORRECT ANSWER Lateral" "Which position will demonstrate the apophyseal joints closest to the IR? - CORRECT ANSWER RPO (right) LPO (left)" "What type of fracture is it called when a bone is driven into another bone? - CORRECT ANSWER Impacted" "No grid (Times mAs by...) - CORRECT ANSWER 1" "5:1 (Times mAs by...) - CORRECT ANSWER 2" "6:1 - CORRECT ANSWER 3" "8:1 - CORRECT ANSWER 4 Most commonly used" "12:1 - CORRECT ANSWER 5" "16:1 - CORRECT ANSWER 6" "Density Maintenance Formula - CORRECT ANSWER mAs1 = D1 squared mAs2 D2 squared" "Inverse square law - CORRECT ANSWER I1= D2 squared I2 D1 squared" "What is the establish fetal does limit guideline for pregnant radiograph's during the entire gestation period? - CORRECT ANSWER 0.5 rem 5 mSv 500mrem" "What should you use if you have to restrain a child or infant in order to perform a procedure? - CORRECT ANSWER Restraining them with the use of a mechanical device if you cannot use a mechanical device have the patients father hold the child" "According to the NCRP the annual occupational full body does equipment limit is? - CORRECT ANSWER 5 rem 50 mSv 5000mrem" "How will the x-ray photons intensity be affected if the SID is doubled? - CORRECT ANSWER The intensity of the beam will decrease four times this is known as the inverse square law" "If the patient received 2000 MRAD during a 10 minute fluoro exam how much exposure will the patient recieve in five-minutes? - CORRECT ANSWER 1000 Mrad which is half of what they received in 10 minutes" "The photo electric effect is an interaction between x-ray photons and... - CORRECT ANSWER And inner shell electron" "What is recommended for the pregnant radiographer to use as far as the dosimeter badge? - CORRECT ANSWER Wear one dosimeter badge outside the lead apron at the collar level and one dosimeter badge inside the lead apron at the level of the waist so A total of two badges are worn and these badges position should never be interchanged" "The reduction in the intensity of the x-ray beam as it passes through a material is termed? - CORRECT ANSWER Attenuation" "The largest amount of diagnostic x-ray absorption occurs in which tissue? - CORRECT ANSWER Bone since it is the most dense tissue" "The effects of radiation on biological material are dependent on several factors. If a quantity of radiation is delivered to a body over a long period of time the fact will be? - CORRECT ANSWER The effect will be less than if it were delivered all at one time for a short period of time" "What interaction contributes most to occupational exposure? - CORRECT ANSWER Compton Scatter" "What factors affect both the quality and the quantity of the primary been? - CORRECT ANSWER Half value layer (hvl) KV" "The unit of exposure in air is? - CORRECT ANSWER Roentgen (C/kg)" "When a fast screen film system is used with the slow screen film automatic system the resulting images are? - CORRECT ANSWER Too dark or overexposed" "A change to 3 phase and 6 pulse = ____ (original mAs) - CORRECT ANSWER 2/3" "A change to 3 phase and 12 pulse = ____ (original mAs) - CORRECT ANSWER 1/2" "What does a penetimeter evaluate? - CORRECT ANSWER Penumbra" "Edge blur - CORRECT ANSWER Penumbra" "Field of view (FoV)/ matrix = - CORRECT ANSWER Pixel Size" "As matrix size increases pixel size - CORRECT ANSWER Decreases" "mAs controls - CORRECT ANSWER Density" "KVP controls - CORRECT ANSWER Contrast" "Windowing - CORRECT ANSWER Changing image brightness Contrast Scale" "A star pattern tests what? - CORRECT ANSWER Focal spot size" "Decreasing film size from 14 x 17 to 8 x 10" will do what? - CORRECT ANSWER Decrease radiographic density and decrease the amount of scatter" "A group of exposure factors are given consisting of MA and time. Which will produce the greatest radiographic density? - CORRECT ANSWER Multiply all factors the highest mas will produce the highest density" "High mass equals high ______ - CORRECT ANSWER Density" "The process of leveling and windowing of digital images determines? - CORRECT ANSWER Contrast adjusting the level adjusts the optical density and adjusting the window adjust the contrast" "The height of the lead strips divided by the width of the interspace material is defined as? - CORRECT ANSWER Grid ratio" "When going from a lower kVP to a higher kvp what will happen? - CORRECT ANSWER You will have greater exposure latitude produce a longer scale of contrast and produce more scatter" "Misalignment of the tube part IR relationship results in? - CORRECT ANSWER Shape distortion elongation occurs from angling of the tube Foreshortening occurs from angling of the part" "What has an effect on recorded detail? - CORRECT ANSWER SID is directly proportional Increasing SID will decrease magnification and increase recorded detail." "A decrease in SID will do what to magnification? Do what to recorded detail? - CORRECT ANSWER Increase magnification Decrease recorded detail" "Increasing SID will______magnification and_____recorded detail. - CORRECT ANSWER Decrease Increase" "A smaller focal spot size will____recorded detail since the focal spot blur is smaller? - CORRECT ANSWER Increase" "A larger focal spot size will____recorded details since greater blur is produced - CORRECT ANSWER Decrease" "Density (brightness) is controlled by 1. 2. - CORRECT ANSWER 1. The number of the exit (remnant) rays sticking the IR 2. Window leveling" "What controls the number of electrons passing from the cathode to the anode an x-ray tube? - CORRECT ANSWER Mas" "What controls the quantity of the x-rays produced at the anode? - CORRECT ANSWER Mas" "Quantity - CORRECT ANSWER Mas" "Quality - CORRECT ANSWER Kvp" "What controls the amount of radiation exiting the x-ray tube? - CORRECT ANSWER Mas" "As mas is increased density is____in the same amount - CORRECT ANSWER Increased" "As mas is decreased density_____in the same amount - CORRECT ANSWER Decreases" "What directly controls the energy or quality of the x-rays produced? - CORRECT ANSWER Kvp" "As KVP _____, a greater potential difference exists between the cathode in the anode - CORRECT ANSWER Increases" "As the_____ __________increases, the electrons from the cathode strike the anode in greater numbers and with greater energy - CORRECT ANSWER Potential difference" "As a Kvp increases a greater potential difference excists which results in an increase level of production of___wavelength and high-energy radiation - CORRECT ANSWER Short" "KVP's affect on density is governed by what? - CORRECT ANSWER 15% rule" "A increases in KVp of 15% ___ density - CORRECT ANSWER Doubles" "A decrease in KVp by 15% _____ density - CORRECT ANSWER 1/2s" "Intensity of the x-ray beam is inversely proportional to the square of the distance between the source of x-rays and the image receptor - CORRECT ANSWER Inverse square law" "Intensity is measured in - CORRECT ANSWER Roentgens Or coulombs/kilogram (SI)" "Radiographic density is a function of what? - CORRECT ANSWER Beam intensity" "Beam intensity is governed by the? - CORRECT ANSWER Inverse square law" "The inverse square law describes changes in____ ______ - CORRECT ANSWER Beam intensity (and radiographic density which is a function of being intensity)" "If the SID is doubled intensity (density).... - CORRECT ANSWER Decreases four times" "If distance is halved, intensity (density) ... - CORRECT ANSWER Increase four times" "Variations in intensity is the result of the____of the x-ray beam as it travels through space - CORRECT ANSWER Divergence" "Different atomic number Same numbers of neutrons - CORRECT ANSWER Isotones" "Same element Same atomic number Different mass - CORRECT ANSWER Isotope" "Different atomic number Same mass - CORRECT ANSWER Isobar" "Late effects Malignancy Leukemia Genetic effects - CORRECT ANSWER Stochastic effects" "Stochastic effects have a ______, _______ Dose- response curve - CORRECT ANSWER Linear, non-threshold" "Max leakage radiation - CORRECT ANSWER 100 Mr/h at 1m" "As OFD increases - CORRECT ANSWER Resolution Quality Decreases" "As FFS increases - CORRECT ANSWER Resolution Quality Decreases" "A proportional increase in SID and OiD - CORRECT ANSWER No change in resolution" "Higher sampling frequencies - CORRECT ANSWER Aliasing artifacts are more obvious" "Lower sampling frequencies aliasing artifacts... - CORRECT ANSWER .. are less obvious" "Moire effect - CORRECT ANSWER Aliasing artifact Occurs when using stationary grids" "When SID is increased the recorded detail is? - CORRECT ANSWER Increased" "Best recorded detail when using a ______ SID - CORRECT ANSWER Long" "There is a _____ relationship between recorded detail and SID - CORRECT ANSWER Direct" "A image plate front material - CORRECT ANSWER Carbon fiber" "Interspace materials of a grid - CORRECT ANSWER Alumunium Plastic fiber" "As matrix size increases pixel size ______ - CORRECT ANSWER Decreases" "Pixel size is ________ related to resolution - CORRECT ANSWER Inversely" "Dynamic range = - CORRECT ANSWER Pixel depth/ shades of gray" "More bits = ____ shades of gray - CORRECT ANSWER More" "Pix depth is _____ to resolution - CORRECT ANSWER Unrelated" "A increase in matrix size results in..... - CORRECT ANSWER smaller pixels Improved resolution" "Pus in the thoracic cavity - CORRECT ANSWER Empyema" "Over distentions of air in the alveoli - CORRECT ANSWER Emphysema" "Congential Clubfoot - CORRECT ANSWER Talipes Deformed talus shortened Achilles' tendon" "In which view is the OML at a 37° angle? - CORRECT ANSWER Waters" "In which view are the petrous ridges projected below the maxillary sinuses? - CORRECT ANSWER Waters" "When are the petrous ridges below the orbits? - CORRECT ANSWER Caldwell at 30 degrees caudad" "When are the petrous ridges in the bottom one thirds of the orbits? - CORRECT ANSWER PA caldwell 15 degrees caudad" "When do the petrous ridges fill the orbits? - CORRECT ANSWER PA view" "Where is the degree difference of the OML and the IOML for a baby or small child? - CORRECT ANSWER 14 degrees" "What is the degree difference between the OML and IOML for an adult? - CORRECT ANSWER 7 degrees" "Glossitis - CORRECT ANSWER Inflammation of the tongue" "1 sec - CORRECT ANSWER 1000ms" "Smallest carpal - CORRECT ANSWER Pisiform" "Most palpable carpal - CORRECT ANSWER Pisiform" "In which position is the pisiform free from superimposition? - CORRECT ANSWER AP medial oblique" "Processes of the scapula? - CORRECT ANSWER Coracoid Acromion" "Elimination of all living microorganisms - CORRECT ANSWER Sterilization" "The frontal sinuses and ethmoidal are best used in the... - CORRECT ANSWER Pa axial caldwell" "The sphenoid sinus is best viewed in the... - CORRECT ANSWER Open mouth waters" "The maxillary sinuses are best viewed in the .... - CORRECT ANSWER Waters" "In which view is the dorsum sellae and posterior clinoid process projected through the Foramina Magnum? - CORRECT ANSWER Townes" "CR spatial frequency/resolution increases as PSP..... - CORRECT ANSWER Crystal size decreases" "CR spatial frequency/resolution increases as ... - CORRECT ANSWER Matrix size increases" "In electronic imaging brightness/density changes with changes in... - CORRECT ANSWER Window level" "In electronic imaging contrast changes with changes in... - CORRECT ANSWER Window width" "Electronic imaging there is a___dynamic range - CORRECT ANSWER Wide" "In electronic Imaging there is a greater... - CORRECT ANSWER Exposure latitude" "In electronic imaging mas and KV do not regulate .... - CORRECT ANSWER density/brightness and contrast" "In electronic imaging IP's are very... - CORRECT ANSWER Sensitive to fog" "When a CR artifact appears such as image fading what is the cause? - CORRECT ANSWER Delay in processing" "When a CR artifacts such as fog appears what is the cause? - CORRECT ANSWER Exposure to scattered radiation" "When a large field of view is used the image is___and requires___exposure - CORRECT ANSWER Brighter Less" "When a small field of view is used that image is___bright and requires___exposure - CORRECT ANSWER Less More" "CR spatial frequency/resolution increases as laser... - CORRECT ANSWER Beam size decreases" "A grid results in ....... 1 2 3 - CORRECT ANSWER Less scatter fog Fewer gray tones Increase in contrast" "Beam restriction = - CORRECT ANSWER A decrease in Compton interations" "Contrast decreases as filtration ____ - CORRECT ANSWER Increases" "Anatomy/pathology = ________ ______ - CORRECT ANSWER Subject contrast" "What controls contrast ? - CORRECT ANSWER Atomic number Tissue density Tissue thickness Contrast agents" "Controls X-ray beam energy - CORRECT ANSWER Kvp" "Grids increase ____ - CORRECT ANSWER Contrast" "Beam restriction increases ____ - CORRECT ANSWER Contrast" "Protrusion of a portion of the stomach through the cardiac sphincter - CORRECT ANSWER Hiatal Hernia" "Chonr- - CORRECT ANSWER Cartilge" "Thyroid Skin Extremities Occupational Dose Equivalent Limit - CORRECT ANSWER 50 Rem 500 mSv 5000 mRem" "50 Rem = _______ mRem and mSv - CORRECT ANSWER 5000mRem 500 mSv" "Occupational dose equivalent for the lens of the eye? - CORRECT ANSWER 150 mSv" "Occupational dose equivalent for the pregnant women's fetus/embryo? - CORRECT ANSWER 5 mSv" "A higher ratio grid = ______ grays - CORRECT ANSWER Fewer" "Whole body occupational dose equivalent ? - CORRECT ANSWER 5 Rem 50 mSv" "Loss of brightness = _____ FOV - CORRECT ANSWER Decreased" "RAD - CORRECT ANSWER Radiation absorbed dose" "Unit of exposure measures quantity of ionization in the air - CORRECT ANSWER Roentgen" "Dose to the biological tissue - CORRECT ANSWER rem" "Rate at which particulate or photon energy is transferred to the absorber - CORRECT ANSWER LET" "Measures quality of radiation - CORRECT ANSWER LET" "Hair losss - CORRECT ANSWER Epilation" "Tissue without O2 - CORRECT ANSWER Anoxic" "Tissue with little o2 - CORRECT ANSWER Hypoxic" "Intensity = - CORRECT ANSWER Quantity" "The thicker portion should be under the ______ - CORRECT ANSWER Cathode side" "The upper part of the lateral T spine should be under what? - CORRECT ANSWER The cathode side" "When is the anode heal effect more pronounced? - CORRECT ANSWER Large IR with a short SID Because the anode has a steep target angle" "A high S number - CORRECT ANSWER Underexposure" "A high Ei number - CORRECT ANSWER Overexposure" "Strep throat is a____ - CORRECT ANSWER Bacteria" "Most of the primary beam is made up of_____ - CORRECT ANSWER brems Radiation" "An electron approaching a positive nuclear charge changes direction and loses energy - CORRECT ANSWER Brems radiation production" "An x-ray to the inner target needs to have a____ ______ number and a____ ______ point - CORRECT ANSWER High atomic High melting" "True or false the cathode assembly receives both low and high voltages - CORRECT ANSWER True" "High scale contrast = - CORRECT ANSWER Short scale contrast" "CRs use ____ while DRs do not - CORRECT ANSWER IPs" "The term_____is used to describe how much of the patient is included in the matrix - CORRECT ANSWER FOV" "What permits the flow of current in only One Direction? - CORRECT ANSWER A rectifier" "Interaction with low energy photons - CORRECT ANSWER Compton scatter" "Which is the source of most scattered radiation? - CORRECT ANSWER Patient" "When is more high energy photons produced? - CORRECT ANSWER High kvp" "Quality - CORRECT ANSWER Kvp" "Quantity - CORRECT ANSWER MA" "50 rem = _____ msv - CORRECT ANSWER 500" "The punch/penetrability - CORRECT ANSWER Kvp" "High mAs ____ number of photons produced - CORRECT ANSWER High ....is unrelated to photon energy" "____ mas _____ kVP Keeps radiation dose to a minimum Tube life is extended - CORRECT ANSWER Low mAs high kvp" "LET - CORRECT ANSWER Linear Energy Transfer" "The rate at which energy is transferred from ionizing radiation to the soft tissue - CORRECT ANSWER LET" "Leakage radiation is a form of ________ radiation - CORRECT ANSWER Secondary" "The _________ radiation barrier has a _____ inch lead wall above _____feet. - CORRECT ANSWER Secondary 1/32 7" "True or false Secondary barriers should never be struck by the useful beam - CORRECT ANSWER True" "True or false Primary barriers can be struck by the primary beam - CORRECT ANSWER True" "Primary protective barriers are ______ feet tall and should have _____inch thick lead - CORRECT ANSWER 7 1/16 (1.5mm)" "The dose to the lens is significantly reduced if a skull is shot ____ - CORRECT ANSWER PA" "NCRP annual occupational whole-body dose-equivalent limit - CORRECT ANSWER 50 mSV 5rem 5000mrem" "NCRP annual occupational whole-body dose-equivalent limit for a student under the age of 18 - CORRECT ANSWER 1mSV 100mrem. 0.1rem" "NCRP Lens of eye limit - CORRECT ANSWER 150 mSV 15 rem" "NCRP Thyroid, skin and extremities limit - CORRECT ANSWER 500 mSV. 50 rem" "______ ______ describes the % of time that the primary beam is directed toward a particular wall - CORRECT ANSWER Use Factor" "Total gestational dose-equivalent limit Embryo/fetus of a pregnant radiographer - CORRECT ANSWER No greater than 0.5 mSV/1 month 5 mSV 500 mrem" "Hair loss - CORRECT ANSWER Epilation" "If the line begins at zero, there is ______ ______ - CORRECT ANSWER No threshold" "Redding of irradiated skin area - CORRECT ANSWER Erythema" "Number of X-ray exposures made per week - CORRECT ANSWER Workload" "Immediate Radiation Reading Device - CORRECT ANSWER Pocket Dosimeter/pocket ionization chamber" "What is the minimum lead amount for the fluoro drape? - CORRECT ANSWER 0.25 mmPb" "Atoms of the same element but different mass number - CORRECT ANSWER Isotopes" "Same atomic number and mass number - CORRECT ANSWER Isomers" "Milliamperage is directly proportional to X-ray _______ - CORRECT ANSWER Intensity" "Isotones - CORRECT ANSWER Same neutron amount but different atomic number" “What radiographic procedure must you use sterile gloves for touching items on the tray? - CORRECT ANSWER Myelogram" "Written defamation of character is known as? - CORRECT ANSWER Libel" "Which drug would you administer when a patient develops urticaria? - CORRECT ANSWER Antihistamine" "What is another name for hives? - CORRECT ANSWER Urticaria" "Why is the IV bag 18 to 20 inches above the level of the vein? - CORRECT ANSWER To prevent the backflow of blood into the tubing which forms a clot and obstructs the flow of the IV fluid" "An inanimate object that is been in contact with an infectious organism is a? - CORRECT ANSWER Fomite" "a specific situation in which a drug, procedure, or surgery should not be used because it may be harmful to the person. - CORRECT ANSWER Contraindication" "The main advantage of using non-ionic water-soluble contrast media on the patient would be? - CORRECT ANSWER Fewer adverse reactions" "Which projection of the foot will best demonstrate the long arch? - CORRECT ANSWER Lateralmedial erect or weight-bearing" "In the AP axial projection Townes of the skull with the CR directed 30° caudal to the OML and passing midway between the EAM which structures best demonstrated? - CORRECT ANSWER Occipital Bone" "not alive, especially not in the manner of animals and humans. objects like stones showing no sign of life; lifeless. - CORRECT ANSWER inanimate" "An imaging examination that involves the introduction of a spinal needle into the spinal canal and the injection of contrast material in the space around the spinal cord and nerve roots (the subarachnoid space) using a real-time form of x-ray called fluoroscopy. - CORRECT ANSWER Myelogram" "The true lateral position of the skull uses which of the following principles? - CORRECT ANSWER Interpupillary line perpendicular to the IR MSP parallel to the IR IOML parallel to the IR" "During myelography a contrast medium is injected into which space? - CORRECT ANSWER Subarachnoid space" "Which position of the elbow will separate the radial head neck and tuberosity from the superimposition of the ulna? - CORRECT ANSWER Lateral or external oblique" "With the patient in the PA position and the OML and CR perpendicular to the IR where will the Petrous pyramids be demonstrated within the orbits? - CORRECT ANSWER Completely within the orbits" "How should a patient be examined for separation of the AC joint? - CORRECT ANSWER Erect position with use of weights to improve demonstration of both joints" "The coronoid process can be visualized in profile in what position of the elbow? - CORRECT ANSWER Both medial and internal AP oblique" "If the lesser tubercle is in profile for the AP shoulder joint the humorus is in which rotation? - CORRECT ANSWER Internal" "If the greater tubercle is in profile then the humorous is in which rotation? - CORRECT ANSWER External" "What is likely to occur if 25 Rad is delivered to fetus in early pregnancy? - CORRECT ANSWER Spontaneous abortion will occur if 25 rad were to be delivered to fetus during the second through the 10th week skeletal abnormalities may appear" "How does filtration affect the primary beam? - CORRECT ANSWER It increases the average energy of the primary beam by filtering out the low-energy photons" "The unit of measurement used to express occupational exposure is the? - CORRECT ANSWER REM (seivert)" "The unit of absorbed dose is? - CORRECT ANSWER Rad (gray)" "Biologic material is most sensitive to irradiation under which condition? - CORRECT ANSWER Oxygenated" "How often should lead aprons and lead gloves be check for cracks? - CORRECT ANSWER Annually or once a year by the fluoroscope" "Which radiation monitors function on the basis of stimulated luminescence? - CORRECT ANSWER 0SL and TLD" "What is the single most important scattering object in both radiography in Fluoroscopy? - CORRECT ANSWER The patient" "A group of exposure factors are given which one will deliver the least amount of exposure? - CORRECT ANSWER Highest KVp with lowest mass will give the least or safest amount" "The purpose of filters in a film badge is? - CORRECT ANSWER To measure radiation quality" "Compton scatter occurs when a high-energy incident electron ejects what? - CORRECT ANSWER An outer shell electron" "In three phase equipment half of the expected arc is a sign of? - CORRECT ANSWER Rectifier failure" "For three-phase equipment a synchronous spinning top test is used to check? - CORRECT ANSWER Rectifier function and test timer accuracy" "In a three phase equipment full-wave rectified current should have a____degree arc per second - CORRECT ANSWER 360" "A gentle curve usually has___speed,____contrast, and___latitude. - CORRECT ANSWER Slow Low Wide" "Hypovolemic - CORRECT ANSWER Shock caused by lack of blood" "The conversion of the latent image into a manifested image takes place in the? - CORRECT ANSWER Developer" "Exposure factors are given of KVP and mas using a non-grid exposure. How much mass would you be used if you use the 8 to 1 grid? - CORRECT ANSWER The grid conversion factor of the 8 to 1 is four so you would multiply your mass using a non-grid exposure by four" "Unopened boxes of radiographic film should be stored away from radiation and... - CORRECT ANSWER In the vertical position or on the end" "To be suitable for use in intensifying screen a phosphor should have what characteristic? - CORRECT ANSWER High conversion efficiency, High x-ray absorption and a high atomic number" "The purpose of the automatic processors circulation system is too? - CORRECT ANSWER Agitate, mix and filter solutions" "During the first part of the first term of a pregnancy what type of abnormalities occur? - CORRECT ANSWER Skeletal" "During the second part of the first term of pregnancy what type of abnormalities occur? - CORRECT ANSWER Neurologic" "General diagnostic exams deliver a fetal dose less than ___-__ RAD - CORRECT ANSWER 1-2" "What does aluminum filtration remove? - CORRECT ANSWER Low-energy photons" "A decrease in the number of photons= - CORRECT ANSWER A decrease in beam intensity" "If low energy photons are removed the average energy of the beam is... - CORRECT ANSWER Increased" "True or False Even with filtration the max energy of the beam remains unchanged unless KV is changed - CORRECT ANSWER True" "Atomic number effects on contrast - CORRECT ANSWER Increase in atomic number = increase in contrast" "Tissue density and thickness effects on contrasts - CORRECT ANSWER Increase in tissue density or thickness = decrease in contrast" "Contrast agents equal a..... - CORRECT ANSWER Increase in contrast" "Increase in contrast = - CORRECT ANSWER Fewer gray tones Short scale contrast Low KVp" "Decrease in contrast = - CORRECT ANSWER Many shades of gray Long scale contrast Increase in KVp" "When the Tube is directed 15degrees caudal the petrous pyramids will fill.... - CORRECT ANSWER The bottom 1/3rd of the orbits" "Where is the most accurate spot to find a pulse? - CORRECT ANSWER apical which is at the apex of the heart Found with a stethoscope" "Where is the most common place to find a pulse? - CORRECT ANSWER Radial pulse" "Bradycardia - CORRECT ANSWER Slow heart rate" "Tachycardia - CORRECT ANSWER Rapid heart rate" "Percentage of time that the primary beam is directed toward a particular wall - CORRECT ANSWER Use factor" "Achalasia - CORRECT ANSWER Dilation of the esophagus The cardiac sphincters failure to relax and allow food to pass" "A low energy x-Ray photon uses all of its energy to eject an inner-shell electron - CORRECT ANSWER Photoelectric effect"