ARRT MOCK EXAM Questions and Answers 2023, Exams of Nursing

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ARRT MOCK EXAM Question and

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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 - correct answer 2 and 3 More windings on the primary side of the transformer will create ____ voltage on the secondary side. - correct answer less In the construction of a radiographic grid, what defines the grid ratio? - correct answer height of lead strips compared to the distance between them What positioning technique could help enhance the quality of a lateral knee? - correct answer CR with a 5 degree cephalic angle During a fluoro exposure, a patient's stomach absorbs a total of 0.012 joules of energy. The tissues of the stomach weigh 3 kilograms. What is the absorbed dose? - correct answer 0.004 Gy Genetic effects are those that manifest: - correct answer in future generations of the exposed individual General Fluoro is limited to maximum entrance skin exposure rate of: - correct answer 100 mGy/min How is the patient positioned for an external rotation of the shoulder? - correct answer abduct the patients arm T/F: Electrons and x-rays can be focused. - correct answer False Which device in an image receptor can collect and convert light into an electrical signal?

• correct answer CCD, Photodiode if a patient begins to have symptoms of hives after an injection of contrast for an IVP, what should be done first? - correct answer call a radiologist What is the most common cause of an off-level grid error? - correct answer grid shifts due to patient movement The trachea bifurcates at the level of the _____. - correct answer Aortic notch

If the x-ray tube is moved rapidly during a fluoro exam, the image will blur. This is the result of the following: - correct answer camera tube lag during an x-ray exposure, electrons accelerate towards what part of the x-ray tube? - correct answer Anode What is the radiation weighting factor of x-rays? - correct answer 1 M/C: The use of proper collimation serves to:

1. Increase image contrast
2. reduce radiation exposure to the patient
3. decrease effective focal-spot size - correct answer 1 and 2 Inherent filtration refers to: - correct answer filtration that is part of tube design What effect will decreasing collimation have on patient radiation exposure - correct answer increases patient radiation exposure The severity of the hell effect can be increased by what change in SID? - correct answer decreasing sid M/C: Federal Law on radiation protection requires which of the following?
4. signage for radiation areas
5. maintaining personal dose records
6. publication of personal dose records - correct answer 1 and 2 What is the largest carpal bone? - correct answer capitate T/F: the esophagus lies anterior to the trachea? - correct answer False To function correctly, the current entering a transformer must be: - correct answer AC A middle-aged male with a blood pressure reading 180/80 mmHg would be diagnosed as - correct answer hypertensive PICC lines are used to: - correct answer Deliver medication through a vein M/C: Which of the following facts are true regarding x-rays?
7. x-rays have no mass
8. x-rays travel at the speed of light
9. x-rays have a positive charge - correct answer 1 and 2 M/C: Which of the following is true about the fibula?

1. it sits laterally to the tibia
2. it articulates with the tibia at the proximal end
3. it articulates at the distal medial talus - correct answer 1 and 2 photons produced outside of the actual focal spot are known as: - correct answer Off focus radiation M/C: Total filtration of the x-ray beam includes:
4. Added Filtration
5. Inherent filtration
6. collimation - correct answer 1 and 2 Which sinus is demonstrated through the open mouth waters? - correct answer sphenoid Which area is myelography not used on? - correct answer sacrum M/C: How does the anode heel effect manifest itself on a radiographic image?
7. Higher exposure on the anode side of the image
8. Higher exposure on the cathode side of the image
9. Increased detail on the anode side of the image
10. increased detail on the cathode side of the image - correct answer 2 and 3 Penumbra and detail share what relationship? - correct answer increased penumbra = decreased detail When using AEC, which of the following may result in an image with excessive receptor exposure? - correct answer incorrect photo-timer cell selection M/C: What portion of the CR imaging plate protects the plate from unwanted light and background radiation? choose two. A. protective layer B. phosphor layer C. conductive layer D. light shield layer - correct answer c and d How does the presence of oxygen affect the radiosensitivity of a cell - correct answer increased radiosensitivity What is the normal pulse rate for an adult? - correct answer 60-100 beats per minute

Equivalent dose is a measurement that takes into consideration which of the following variables?

1. radiation type
2. tissue type
3. exposure rate - correct answer 1 Within the oblique lumbar spine, the nose of the scotty dog is: - correct answer Transverse process What is demonstrated in profile in the medial rotation view of the elbow? - correct answer coronoid process A decrease in oxygen content is called? - correct answer Hypoxia The wrist should be turned laterally ____ degrees when performing an oblique view - correct answer 45 Acute infection of the parenchyma is characterized as: - correct answer pneumonia On an AP Pelvis, if the lesser trochanters are partially visible, this indicates: - correct answer the feet are in anatomic position The waters view best demonstrates:
4. Frontal sinus
5. maxillary sinus
6. ethmoid sinus
7. sphenoid sinus - correct answer 2 What determines the quantity of electrons in tube current? - correct answer Heating of the filament An avulsion fracture is characterized as: - correct answer Fracture where a tendon or ligament pulls off a piece of bone The light signal released by photo-stimulable phosphors is too weak to produce a quality radiograph. The light is enhanced by a device called? - correct answer PMT (Photomultiplier tube) A patient suffering from a gunshot wound to the abdomen would most likely suffer from this type of shock: - correct answer Hypovolemic shock proper positioning of the PA axial caldwell projection includes: - correct answer OML perpendicular to the IR with a 15 degree caudad angle

A "coherent scattering" event may also be called - correct answer classical scattering Dynamic range is defined as: - correct answer The range of exposures that can be captured by a detector M/C: Personal monitoring devices are worn for what reasons:

1. check radiation safety practice
2. monitor dose in the air
3. estimate eye and thyroid dose - correct answer 1 and 3 The smallest exposure difference that can be detected and displayed by the imaging system is called? - correct answer contrast resolution During Fluoro imaging: reducing _____ increases _____. - correct answer reducing kvp increases patient dose Select the bun level that most accurately describes proper kidney function: - correct answer 7 to 20mg/100 ml All the following are examples of conduction materials EXCEPT: A. ALuminum B. Air C. Rubber D. Water - correct answer c Scatter radiation does not affect: - correct answer recorded spatial resolution Which of these materials are essential to image production within CR imaging systems?

• correct answer PSP Limb-stunting, anecephaly and evisceration are all examples of: - correct answer Teratogenic effects The relationship between distance and intensity can be expressed by which of the following? - correct answer Inverse Square Law The isotropic nature of the x-ray beam means that it? - correct answer travels in all directions If an x-ray tech touches their patient without asking first, they are guilty of: - correct answer battery What is the most commonly used beam restricting device? - correct answer collimator

Effects of radiation induced damage can be studied from? A. Hiroshima B. Nagasski C. Atomic bomb D. All of these - correct answer d What term describes the FUNCTIONAL portion of the kidney? - correct answer Nephron What is the source of x-radiation in the x-ray tube? - correct answer focal spot M/C: Ingesting barium sulfate and having multiple KUB radiographs performed at 15 and 30 minute intervals is used to visualize

1. Duodenum
2. Ileocecal Valve
3. Splenic Flexure
4. Plyoric Sphincter - correct answer 1 and 2 What anatomy of the heart aids in delivering oxygen-rich blood to the body: - correct answer >>>>> A patient suffering from a hypoglycemic reaction should be given: - correct answer a bolus of sugar Which bony landmark lies directly medial to the greater trochanter? - correct answer Pubic Symphysis