Welcome to your Radiography Name: Email: [The primary purpose of radiation safety practices is to] Limit occupational exposure Limit the introduction of mutations into the population Limit long-term somatic effects Limit short-term somatic effects None . [What condition is characterized by air trapped in the alveoli, which makes the condition very easy to penetrate?] Atelectasis Bronchogenic carcinoma COPD Emphysema None . [For RAO position of the esophagus:] The patient is rotated obliquely by elevation of the right side 35 to 40 degrees, and the esophagus is centered to the image receptor at the level of T5 or T6 The patient is rotated obliquely by elevation of the left side 35 to 40 degrees, and the esophagus is centered at the level of T5 or T6 The patient is rotated obliquely by elevation of the right side 55 to 60 degrees, and the esophagus is centered to the image receptor at the level of T5 or T6 The patient is rotated obliquely by elevation of the left side 55 to 60 degrees, and the esophagus is centered to the image receptor at the level of T5 or T6 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 . [This structure has superior, middle, and inferior lobes:] Trachea Left lung Right lung Hilus 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 . [Which of the following bones has (have) no body?] Atlas Axis Thoracic vertebrae Lumbar vertebrae None . [What condition causes a narrowing of the sphincter at the distal end of the stomach?] Diverticula Ulcerative colitis Pyloric stenosis Adynamic ileus None . [The filament circuit makes use of what type of transformer?] Step-up Autotransformer Step-down Falling load None . [The x-ray emission spectrum consists of:] Brems and characteristic rays Discrete spectrum (produced by brems rays) and continuous spectrum (produced by characteristic rays) Discrete spectrum (produced by characteristic rays) and continuous spectrum (produced by brems rays) X-rays and electrons, both part of the electromagnetic spectrum None . [Structure D is the fig. ] Surgical neck Lesser tubercle Scapula Greater tubercle None Comment . [Distance and density are governed by what law or rule?] Reciprocity law 15% rule Inverse square law Density maintenance rule None . [Cell damage may be exhibited as:] Loss of function or abnormal function Nothing Enhanced function None . [The effective dose limit for a fetus for the entire gestational period is:] 5.0 mSv 0.5 mSv 0.05 mSv 50 mSv None . [As speed class increases:] The likelihood of noise increases The likelihood of noise decreases Patient exposure increases Sharpness increases None . [Which of the following measures tube current?] Anode mA meter Ionization chamber Falling load generator None . [What device spins at 10,000-12,000 rpm?] Anode mA meter Ionization chamber Step-up transformer None . [Quality assurance and maintenance of CR cassettes include cleaning and inspecting the plates at least:] Daily Every 48 hours Every 3 months Weekly None . [The formal term for “no code” is a(n):] Advance directive Right to die Do not resuscitate (DNR) order Euthanasia None . [What is located in the x-ray circuit between the highvoltage transformer and the x-ray tube?] Step-down transformer Rectifier Cathode Timer None . [This illustrates which type of vertebra? fig. ] thoracic cervical lumbar None Comment . [What converts light into a charge?] Diode Cathode AC to DC converter Photodiode None . [Structure E 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 . [A reaction that causes the patient’s skin to turn cyanotic means:] The skin is turning yellow The skin is turning white The skin is turning blue The skin is turning red None . [The upper boundary dose that can be absorbed that carries a negligible risk of somatic or genetic damage to the individual defines:] Maximum permissible dose ALARA Law of Bergonie and Tribondeau Effective dose limit None . [The SI unit of effective dose is the:] Sievert Gray Radiation weighting factor LET None . [When the PA projection of the skull is performed to image the frontal bone: 1. The central ray is directed perpendicular to the IR 2. The OML is perpendicular to the IR 3. The central ray exits at the glabella 4. MSP is parallel to the cassette] All are true 1, 2 1, 3, 4 1, 3 None . [What regulates the duration of x-ray production?] Step-down transformer Rectifier Cathode Timer None . [When radiation strikes the cytoplasm, which of the following occurs?] Direct effect Law of Bergonie and Tribondeau Target theory Indirect effect None . [Shape distortion may take the form of:] Magnification and minification Size and shape distortion Elongation and foreshortening Magnification and elongation None . Time's up
