Welcome to your Radiography Name: Email: [CT accounts for approximately what percent dose to the population (NCRP Report #160)?] 24% 50% 15% 80% None . [A blood pressure of 120/80 mm Hg reveals that:] The pressure is 120 mm Hg when the heart is at rest The diastolic pressure is 120 mm Hg The systolic pressure is 80 mm Hg The pressure is 80 mm Hg when the heart is at rest None . [What type of current is required for proper operation of the x-ray tube?] Direct Falling load Alternating Fluctuating None . [Which device reduces voltage and provides current to produce an electron cloud or space charge at the filament?] Step-down transformer Rectifier Cathode Timer None . [What condition is more commonly seen in elderlypatients?] Trimalleolar fracture Giant cell myeloma Osteoarthritis Pott fracture None . [Consistency of image appearance is achieved through the use of:] Higher speed class Uniform processing codes More effective postprocessing Lower exposure index numbers None . [The process of eliminating all organisms from the environment by gas sterilization, use of germicides, or use of dry heat is called:] Surgical asepsis Sterilization Medical asepsis Autoclaving None . [When oxygen is administered, the usual rate is:] 3 to 5 lb/minute 3 to 5 L/hour 3 to 5 L/minute 5 to 7 L/minute None . [The portion of the small bowel that connects with the cecum is called the:] Duodenum Jejunum Ileum Ascending None . [Devices in the x-ray circuit that operate on the principle of mutual induction are called:] Rectifiers Generators Timers Transformers None . [For the LPO or RPO positions for the colon:] The patient is prone, rotated 35 to 45 degrees, with the central ray at the level of the iliac crest The patient is supine, rotated 55 to 60 degrees, with the central ray at the level of ASIS The patient is supine, rotated 35 to 45 degrees from AP, with the central ray at the level of the iliac crest The patient is prone, rotated 55 to 60 degrees, with the central ray at the level of the iliac crest None . [Radiation doses up to ________ are considered relatively low risk to the embryo and fetus.] 5 mSv 10 mSv 0.01 mSv 0.20 mSv None . [A reaction at the site of injection of iodinated contrast media may be caused by:] Extravasation of contrast agent Allergy to seafood Anaphylaxis Allergy to certain medications None . [Toxic chemicals may:] Be poured down the drain if they do not enter the public water supply Never be poured down the drain Be poured down the same drain as the processing water Be poured down the drain in the restroom only None . [Which of the following is composed of solid-state silicon-based diodes?] Step-down transformer Rectifier Cathode Timer None . [Structure K is the fig. ] Second proximal interphalangeal joint First carpometacarpal joint Second distal interphalangeal joint Second metacarpophalangeal joint None Comment . [The study of contrast agents, their administration, and possible reactions fall under the category of:] Nursing Pharmacology Emergency care Respiratory care None . [What route of transmission involves touching a susceptible person with a contaminated object (e.g., an IR)?] Droplet transmission Indirect contact Direct contact Airborne transmission None . [The annual effective dose limit for the general public, assuming frequent exposure, is:] 0.5 mSv 500 mSv 0.05 mSv 1.0 mSv None . [Improper use of grids may result in an image artifact known as:] SNR Moiré pattern Elongation Foreshortening None . [What device may be used to ensure consistency of radiographic quality from one exposure to the next?] Electronic timer Step-up transformer Automatic exposure control High-frequency generator None . [Structure D is the fig. ] Surgical neck Lesser tubercle Scapula Greater tubercle None Comment . [When working with CR and DR, one must be aware that their response to scatter radiation is:] Very sensitive Minimally sensitive Irrelevant None . [Needles and syringes must be disposed of:] Capped Weekly Uncapped Monthly None . [When speed is essential in completing an imaging examination, the preferred IR is:] CR DR Wireless DR plate None . [All iodinated contrast media used today contain:] Iodine and free ions Free ions Only iodine Salts of organic iodine compounds None . [The relationship between kVp and receptor exposure may be described as:] Directly proportional Direct, although not proportional Governed by the 15-50 rule Controlled by x-ray tube current None . [The available gray scale of an imaging system is determined by:] Pixel pitch Bit depth Exposure latitude Image latitude None . [Nosocomial infections are acquired:] In radiology Through the nose During cold and flu season In the health care setting None . [The narrow distal end of the stomach that connects with the small intestine is called the:] Rugae Pylorus Fundus Greater curvature None . Time's up
