Welcome to your Radiography Name: Email: [Which of the following does not belong in the definition of matter?] Travels at the speed of light Has shape Has form Occupies space None . [Programs that deal with the safe and reliable operation of equipment and programs that address all aspects of the delivery of radiology services are called, respectively:] Quality assurance and quality control Total quality improvement Quality control and quality assurance Total quality management None . [A material that absorbs x-ray energy and emits part of that energy as visible light is called:] Diode Scintillator TFT Cathode None . [Background radiation is the source of approximately what percent of human exposure?] 95% 82% 50% 35% None . [Endoscopic procedures should be scheduled:] After ingestion of barium for increased contrast First in a series of procedures After a series of procedures so as to verify the diagnosis Only by the endoscopy department None . [Which of the following terms describes the highest spatial frequency that can be recorded by a digital detector?] Spatial resolution Contrast resolution MTF Nyquist frequency None . [Which of the following devices is prereading?] Step-down transformer Rectifier Timer kVp meter None . [The structure designated as III is the fig.] Spinous process Transverse process Pedicle Inferior articular process None Comment . [Which of the following describes a kidney stone?] Polycystic kidney disease Renal calculus Wilms tumor Renal cysts None . [Digital imaging is driven by:] kVp mAs IR speed class Exposure None . [For radiography of the sternoclavicular articulations:] PA and lateral projections are required RAO or LAO positions are used to eliminate superimposition of joints onto vertebral shadow The patient should breathe during exposure; a falling load generator should be used if possible An AP projection is used to reduce magnification of joints None . [For a PA projection of the stomach:] Center midway between the xiphoid process and the umbilicus Center halfway between the midline and lateral border of the abdominal cavity Center midway between the manubrium and the umbilicus and halfway between the midline and lateral border of abdominal cavity Center midway between the xiphoid process and the umbilicus and halfway between the midline and lateral border of the abdominal cavity None . [Which of the following measures tube current?] Anode mA meter Ionization chamber Falling load generator None . [The part of the urinary system located between the renal pelvis and the bladder is called the:] Cortex Medulla Nephron Ureter None . [Which of the following photon–tissue interactions necessitates the use of a grid?] Photoelectric interaction Compton interaction Coherent scatter Pair production None . [The winged infusion set used for venipuncture is also known as:] IV catheter Hypodermic needle Butterfly Winged injection set None . [What type of joint has a rounded head of one bone that moves in a cuplike cavity?] Ball-and-socket joint Pivot joint Hinge joint Saddle joint None . [All iodinated contrast media used today contain:] Iodine and free ions Free ions Only iodine Salts of organic iodine compounds None . [If there is a decrease in source-to-object distance, what happens to spatial resolution?] Increase Decrease No appreciable effect None . [An imaging exam using a contrast agent to evaluate possible herniated intervertebral discs is called a(n):] Arthrogram Spinal study Myelogram Discography None . [The structure designated as I is the fig.] Carpometacarpal joint Interphalangeal joint Proximal phalanx Distal interphalangeal joint None Comment . [The blunt cartilaginous tip of the sternum is the:] Manubrium Floating Xiphoid Jugular notch None . [Structure C is the fig] Body of sphenoid Occipital bone Dorsum sellae Anterior clinoid process None Comment . [Devices in the x-ray circuit that operate on the principle of mutual induction are called:] Rectifiers Generators Timers Transformers None . [This type of infection transmission occurs when an animal contains and transmits an infectious organism to humans:] Contact transmission Airborne transmission Droplet transmission Vectorborne transmission None . [Which of the following part(s) of the humerus articulate(s) with the ulna?] Greater and lesser tubercles Bicipital groove Capitulum Trochlea None . [Structure G is the fig.] Medial condyle Lateral epicondyle Lateral condyle Tibial plateau None Comment . [Leakage radiation from a diagnostic x-ray tube may not exceed:] 1 mGya per hour, measured at the source 10 mGya per hour 1 mGya per hour, measured at 1 m from the housing 100 mGya per hour, measured at 1 m from the housing None . [The central ray for an AP projection of the hip is:] Directed parallel to a point 2 inches medial to the ASIS and at the level of the superior margin of the greater trochanter Directed parallel to a point 2 inches lateral to the ASIS and at the level of the superior margin of the greater trochanter Directed parallel to a point 2 inches medial to the ASIS and at the level of the inferior margin of the greater trochanter Directed 2.5 inches distal on a line drawn perpendicular to the midpoint of a line between the symphysis pubis and the ASIS None . [The structure designated as V is the fig. ] Lunate Scaphoid Trapezium Trapezoid None Comment . Time's up
