Welcome to your Radiography Name: Email: [Structure M is the fig. ] Body of sphenoid (sphenoid sinus) Occipital bone Dorsum sellae Anterior clinoid process None Comment . [The structure designated as III is the fig.] Head of the ulna Radial head Medial epicondyle Lateral epicondyle None Comment . [Bradycardia indicates a pulse of:] Greater than 100 beats per minute Greater than 60 beats per minute Greater than 90 beats per minute Less than 60 beats per minute 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 . [Which pathologic condition is easy to penetrate?] Atelectasis Bronchogenic carcinoma151 COPD Emphysema None . [The photon-tissue interaction in diagnostic radiography that results in the total absorption of an x-ray photon and the production of contrast in the radiographic image is:] Compton Coherent Photoelectric Pair production None . [The structure designated as IV is the fig. ] Tubercle Lateral condyle Medial condyle Intercondylar eminence None Comment . [Grayt multiplied by a radiation weighting factor equals:] Air kerma Becquerel Sievert Graya None . [Structure G is the fig.] Second proximal interphalangeal joint First carpometacarpal joint Second distal interphalangeal joint Second metacarpophalangeal joint None Comment . [A radiographic grid should be used when: 1. The body area to be radiographed measures more than 10 cm 2. A field size larger than 10 to 12 inches is used 3. More than 60 kVp is required to penetrate a body part] 1 and 2 only 1 and 3 only 2 and 3 only 1, 2, and 3 None . [Structure A is the fig] Renal pelvis Ureter Minor calyces Major calyces None Comment . [The expression of image quality provided by a detector is called:] MTF Matrix size SNR Nyquist frequency None . [After a radiographer is gowned and gloved for a procedure,hands may not be placed:] Anywhere on the body because the gown andgloves are sterile Anywhere on the front or sides of the gown Anywhere on the table containing the sterile field Under the arms or on the sides or back of the gown None . [The intensity of radiation is inversely proportional to the square of the distance between the source of radiation and the person receiving it. This describes the:] Square law Reciprocity law Inverse square law Octet law None . [Structure C is the fig. ] Zygomatic arch Foramen magnum Bony nasal septum (perpendicular plate of ethmoid and vomer) Body of maxilla (contains the maxillary sinuses) None Comment . [If mAs is increased four times, what is the effect on receptor exposure?] Increases Decreases No appreciable effect None . [At the time of exposure, the charge on the focusing cup is:] Irrelevant Positive Negative Alternating None . [X-rays are produced as incident electrons are slowed going past the nuclei of target atoms by a process called:] Classical Photoelectric Bremsstrahlung Compton None . [Which of the following is an example of invasion of privacy?] Radiographing the wrong patient Unjustified restraint of patient Improperly exposing the patient’s body Radiographing the wrong body part None . [What unit of measurement is used for effective dose limits?] Becquerel Gyt Sievert Gya None . [Which of the following individual vertebra is larger and heavier than other individual vertebrae?] Atlas Axis Thoracic vertebra Lumbar vertebra None . [A patient who has sustained a head injury in a motor vehicle accident arrived in the radiology department alert and well oriented. While radiographing the patient, the radiographer observed that the patient was becoming drowsy, irritable, and less coherent. Which of the following would be the correct action for the radiographer to take?] Continue the radiographic examination Ignore the changes in the patient’s condition, and place the patient back on the stretcher after completing the examination Notify the department supervisor or the attending physician of the change in the patient’s condition Sound an emergency code alert None . [The x-ray beam is:] Heterogeneous—all rays possess the same energy Homogeneous—all rays possess the same energy Monoenergetic—all energies correspond to the kVp Heterogeneous or polyenergetic—consisting of many different energies (wavelengths) None . [Structure C is the fig.] Pedicle Coronoid process Transverse process Lamina None Comment . [According to NCRP Report #116, what is the annual effective dose limit for the general public, assuming infrequent exposure?] 5 mSv 0.1 mSv 10 mSv 0.05 mSv None . [The portion of the image-intensifier tube that converts electron energy to visible light is the:] Output phosphor Photocathode Input phosphor Detector element None . [What condition occurs secondary to heart failure or interference with heart function?] Anaphylaxis Cardiogenic shock Hypovolemic shock Septic shock None . [Background radiation is the source of approximately what percent of human exposure?] 95% 82% 50% 35% None . [The law that states that cells are most sensitive to radiation when they are nonspecialized and rapidly dividing is the:] Inverse square law Law of Bergonie and Tribondeau Reciprocity law Ohm’s law None . [An ionization chamber circuit places:] A photomultiplier tube between the IR and the patient An ionization chamber beneath or behind the IR An ionization chamber between the patient and the x-ray tube An ionization chamber between the IR and the patient None . Time's up
