Mock 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Abnormal accumulation of pus in the pulmonary tissues is called: A) emphysema B) empyema C) pneumothorax D) pneumoconiosis | show 🗑
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| show | B
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| A patient who is diaphoretic has A) pale, cool, clammy skin B) hot, dry skin C) dilated pupils D) warm, moist skin | show 🗑
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| A vasodilator would most likely be used for A) angina B) cardiac arrest C) bradycardia D) allergies | show 🗑
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| show | D
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| show | B
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| Which of the following will separate the radial head, neck and tuberosity from superimposition on the unla? A) AP B) lateral C) medial oblique D) lateral oblique | show 🗑
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| show | D
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| The body habitus characterized by a long and narrow thoracic cavity and low, midline stomach and gallbladder is the A) asthenic B) hyposthenic C) sthenic D) hypersthenic | show 🗑
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| When the patient is recumbent and the central ray is directed horizontally, the patient is said to be in the A) trendelenburg position B) fowler's position C) decubitus position D) sims position | show 🗑
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| show | D
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| Medical and dental radiation accounts for what percentage of the general public's exposure to man-made radiation? A) 10 percent B) 50 percent C) 75 percent D) 90 percent | show 🗑
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| show | C
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| In the production of bremsstrahlung radiation the incident electron A) ejects an inner-shell tungsten electron B) ejects an outer-shell electron C) is deflected, with resulting energy loss D) is deflected with resulting energy increase | show 🗑
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| What is the intensity of scattered radiation perpendicular to and 1 meter from the patient compared to the useful beam at the patient's surface? A) 0.01 percent B) 0.1 percent C) 1.0 percent D) 10 percent | show 🗑
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| What is the term used to describe x-ray photon interaction with matter and the transference of part of the photon's energy to matter? A) absorption B) scattering C) attenuation D) divergence | show 🗑
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| show | C
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| show | C
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| show | B
Image size/object size = SID/SOD
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| If 82kVp, 600 mA and 0.05s were used for a particular exposure using three-phase, twelve pulse equipment, what mAs would be required, using single phase equipment to produce a similar radiograph? A) 7.5 mAs B) 20 mAs C) 30 mAs D) 60 mAs | show 🗑
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| A device used to give a film a predetermined exposure in order to test its response to processing is called A) sensitometer B) densitometer C) step wedge D) spinning top | show 🗑
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| The relationship between the height of a grid's lead strips and the distance between them is referred to as grid A) ratio B) radius C) frequency D) focusing distance | show 🗑
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| show | 2 only
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| The primary source of scattered radiation is the A) patient B) tabletop C) x-ray tube D) grid | show 🗑
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| show | C
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| show | A
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| show | 2 and 3
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| show | 2 and 3
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| show | B
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| If a transformer is supplied with 200 volts to the primary coil, which has 100 turns of wire on primary and 15,000 turns on the secondary - what will the voltage be in the secondary coil? A) 3 kilovolts B) 8 kilovolts C) 30 kilovolts D) 80,000 volts | show 🗑
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| show | C
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| show | B
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| What is the resistance in a circuit of 60 kilovolts and 300 mA A) 20,000 ohms B) 40,000 ohms C) 200,000 ohms D) 400,000 ohms | show 🗑
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| If a transformer has 120 turns of wire on the primary coil, 80 volts in the primary coil and 80 turns in the secondary coil, which type of transformer is it? A) auto transformer B) step up transformer C) step down transformer D) DC transformer | show 🗑
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| show | D
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| show | A
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| show | D
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| show | B
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| show | A
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| An x-ray exposure of 240mR is recorded at a distance of 20 inches. If the same technical factors are used, what will the exposure be if the distance is increased to 40 inches? A) 60 mR B) 120 mR C) 480 mR D) 960 mR | show 🗑
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| Demonstration of a pneumothorax is best accomplished by making the exposure: A) in an erect, lateral position B) in a lateral decutitus position C) in an erect PA position on expiration D) in an erect PA position on inspiration | show 🗑
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| Convert 5 rad to gray. A) 0.5 gray B) 0.05 gray C) 0.005 gray D) 0.0005 gray | show 🗑
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| show | C
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| show | B
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| What is the total resistance in a parallel circuit with resistances of 2.5, 4.2 and 6.8 and a potential difference of 10 volts? A) 1.274 B) 10 C) 12.74 D) 13.5 | show 🗑
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| show | A
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| The target interactions that produce the x-ray photon consist of _____ of the total kinetic energy of the incident electron. A) Less than 1% B) Less than 10% C) more than 50% D) Over 99% | show 🗑
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| A patient developed bradycardia several minutes after injection of an iodinated contrast medium. What type of drug should be readily available? A) analgesic B) antihistamine C) atropine D) antibiotic | show 🗑
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| show | A
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| Which of the following conditions describes a patient who is unable to breathe easily while in a recumbent position? A) dyspnea B) apnea C) orthopnea D) oligopnea | show 🗑
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| To best demonstrate esophageal varices, the patient must be examined in the: A) recumbent position B) erect position C) anatomic position D) Fowler's position | show 🗑
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| show | D
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| The contrast media of choice for use in myelography are A) ionic non-water soluble B) ionic water soluble C) nonionic water soluble D) gas | show 🗑
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| show | B
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| show | A
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| During a fluoroscopic examiniation, the milliamperage is A) less than 5 B) 10 to 20 C) 50 to 75 D) 100 to 500 | show 🗑
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| show | 1 and 2
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| show | C
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| The dose-response curve that appears to be valid for genetic and some somatic effects is the 1. linear 2. sigmoidal 3. nonthreshold | show 🗑
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| show | B
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| Which of the following circuit devices operate(s) on the principle of mutual-induction? 1. autotransformer 2. step down filament transformer 3. high voltage transformer | show 🗑
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| show | B
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| Examples of COPD include 1. bronchitis 2. pulmonary emphysema 3. asthma | show 🗑
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| show | D
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| show | 1,2,3
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| show | B
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| During a double-contrast BE, which of the following positions would afford the best double-contrast visualization of both colic flexures? A) LAO B) lateral C) left lateral decubitus D) PA erect | show 🗑
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| The tissue that occupies the central cavity within the shaft of a long bone in an adult is? A) red marrow B) yellow marrow C) cortical tissue D) cancellous tissue | show 🗑
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| A patient is usually required to drink barium sulfate suspension in order to demonstrate which of the following structures? 1. esophagus 2. pylorus 3. ilium | show 🗑
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| show | 3 only
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| show | 1,2,3
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| In an effort to visualize barium within the antrum and C-loop of the small bowel, the best position for patient would be: A) AP projection B) LPO position C) RAO position D) LAO position | show 🗑
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| Which of the following are methods of limiting the production of scattered radiation? 1. using moderate-ratio grids 2. using the prone position for abdominal exams 3. restricting the field size to the smallest practical size | show 🗑
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| In general, as the intensification factor increases 1. radiographic density increases 2. screen resolution increases 3. recorded detail increases | show 🗑
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| show | A
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| Which of the following image recording methods will require the greatest patient dose? A) cassette-loaded spot film B) 105 mm spot film C) 35 mm cine D) Videotape | show 🗑
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| show | 1 and 2
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| show | 1 and 2
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| Target angle will have an effect on the 1. severity of the heel effect 2. effective focal spot size 3. heat load capacity | show 🗑
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| show | 1 and 3
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| show | 2 only
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| One hundred ergs of energy deposited per gram of tissue defines the: A) Becquerel B) Gray C) Quality factor D) Rad | show 🗑
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| show | D
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| The quality factor for x-rays is: A) 10 B) 1 C) 20 D) 5 | show 🗑
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| show | C
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| show | D
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| The absorbed dose equivalent limit for the embryo/fetus is: A) 500 mrem per year B) 5 rem per year C) 0.5 rem per month D) 500 mrem during gestation | show 🗑
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| The filament circuit uses what type of transformer? A) Step-up B) Autotransformer C) Step-down D) Falling load | show 🗑
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| The accuracy of kVp at 90 kVp must be: A) No lower than 85 kVp and no higher than 95 kVp B) No lower than 89 kVp and no higher than 91 kVp C) No lower than 86 kVp and no higher than 94 kVp D) No lower than 88 kVp and no higher than 92 kVp | show 🗑
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| Distance and density are governed by what law or rule? A) Reciprocity law B) 15% law C) Inverse square law D) Density maintenance rule | show 🗑
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| Speed step used during sensitometric testing is the step closest to what density value? A) 0.25 B) 1.0 C) 1.5 D) 2.0 | show 🗑
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| A faster film-screen system will exhibit: A) Lower contrast B) Narrower latitude C) Better recorded detail D) Decreased density | show 🗑
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| As kVp is decreased: A) Density increases B) Contrast decreases C) Recorded detail decreases D) Scale of contrast shortens | show 🗑
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| Differential absorption of the x-ray beam produces: A) Density B) Subject contrast C) Recorded details D) Characteristic radiation | show 🗑
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| Medication given for bradycardia because it acts on the SA node of the heart to increase rate is: A) epinephrine B) atrophine C) diphenhydramine D) acetaminophen | show 🗑
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| show | B
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| show | C
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| show | 2,3,4
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| Film badges are generally accurate down to the level of: A) 10 rem B) 5 rem C) 0.1 mrem D) 10 mrem | show 🗑
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| When a quality control test for exposure reproducibility is performed, successive exposures must be within this amount of one another: A) 2% of SID B) 4% C) 10% D) 5% | show 🗑
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| show | A
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| show | C
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| An interaction that primarily produces heat at the anode but that also produces the largest proportion of x-rays is called: A) Characteristic B) Photoelectric C) Compton's D) Bremsstranhlung | show 🗑
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| In which section of the processor are unexposed silver halide crystals removed from the emulsion? A) Wash B) Fixer C) Developer D) Dryer | show 🗑
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| The function of the blue tint added to the film's base is to: A) Increased speed B) Reduce glare C) Increase recorded detail D) Decrease latitude | show 🗑
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| The type of shock that is caused by a severe allergic rection is called: A) Hypovolemic shock B) Septic shock C) Neurogenic shock D) Anaphylactic shock | show 🗑
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| A reaction that may occur in the vein in which the injection occured is: A) Systemic irritation B) Cardiovascular C) Anaphylactic D) Phlebitis | show 🗑
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| show | D
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| In which of the following positions/projections will the talocalcaneal joint be visualized? A) dorsoplantar projection of the foot B) plantodorsal projection of the os calcis C) medial oblique position of the foot D) lateral foot | show 🗑
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| show | 2 and 3
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| show | 1,2,3
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| show | 1 only
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| show | C
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| Which of the following procedures will best demonstrate the dorsalis pedis, peroneal, and popliteal vessels? A) aortofemoral arteriogram B) upper limb arteriogram C) lower limb venogram D) upper limb venogram | show 🗑
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| Which of the following are described in terms of matrix size, inherent spatial resolution, bit depth, number of slices, study sizes, and overall image quality? A) computer networks B) storage servers C) image data sets D) image acquisition modalities | show 🗑
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| A particular radiograph was produced using 6mAs and 110 kVp with an 5:1 grid. The radiograph is to be repeated using a 10:1 grid. What should be the new mAs? A) 3 mAs B) 6 mAs C) 9 mAs D) 15 mAs | show 🗑
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| show | D
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| show | B
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| show | 2 and 3
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| show | 1 and 2
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| show | B
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| Skin discoloration due to cyanosis may be observed in the 1. gums 2. nailbeds 3. thorax | show 🗑
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| If a radiographer performed a lumbar spine examination on a patient who was supposed to have an elbow exam, which of the following charges may be brought against the radiograhper? A) Assault B) Battery C) False imprisonment D) Defamation | show 🗑
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| show | A
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| show | A
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| show | B
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| In which of the following examinations should 70 kVp not be exceeded? A) Upper GI B) Barium enema C) intravenous pyelogram D) chest | show 🗑
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| A lateral projection of the chest is being taken on an asthenic patient and the outer photocells are selected, what is likely to be the outcome? A) decreased density B) increased density C) scattered radiation fog D) motion blur | show 🗑
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| show | 1 and 3
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| Since digital radiographic detectors have wide exposure latitude and a linear response, an image displayed without processing might appear as a ____. A) high-contrast image B) low-contrast image C) no-contrast image D) dual-contrast image | show 🗑
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| show | 1 and 2
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| Which of the following voltage ripples is (are) produced by single-phase equipment? 1 100 % voltage ripple 2. 13% voltage ripple 3 5% voltage ripple | show 🗑
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| show | C
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| show | B
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| show | A
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| show | D
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| show | B
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| ________effects are random effects for which no threshold of exposure exist, but as the dose goes increases, the probability of the occurrence increases. A) Late B) Deterministic C) Stochastic D) Hematologic | show 🗑
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| show | B
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| A characteristic curve can be used to compare the film factors of I. Speed II. Contrast III. Recorded detail A) 1 and II only B) I and III only C) II and III only D) I, II, and III | show 🗑
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| show | B
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| show | D
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| A nosocomial infection is a(n) A) infection acquired at a large gathering B) upper respiratory infection C) infection acquired in a hospital D) type of rhinitis | show 🗑
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| show | 1,2,3
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| Pixels in a digital image represent the information contained in a volume of tissue in the patient. What is this volume called? A) bit depth B) voxel C) spatial resolution D) pixel | show 🗑
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| show | C
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| show | 1,2,3
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| show | A
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| show | 1 and 2
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| Which of the following groups of exposure factors wil deliver the least amount of exposure to the patient? A) 400 mA, 0.25 s, 100 kVp B) 600 mA, 0.33 s, 90 kVp C) 800 mA, 0.5 s, 80 kVp D)800 mA, 1.0 s, 70 kVp | show 🗑
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| show | D
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| Light-sensitive automatic exposure control devices are known as A) phototimers B) ionization chambers C) sensors D) backup timers | show 🗑
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| show | 1,2,3
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| A "blowout" fracture is usually related to which of the following structures? A) foot B) elbow C) orbit D) pelvis | show 🗑
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| Which type of articulation is evaluated in arthrography? A) synarthrodial B) diarthrodial C) amphiarthrodial D) cartilaginous | show 🗑
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| show | C
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| show | B
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| show | C
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| show | A
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| Which of the following terms describes the amount of electric charge flowing per second? A) voltage B) current C) resistance D) capacitance | show 🗑
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| show | B
Vs/Vp=Ns/Np
Vs/Vp=Ip/Is
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| Treelike, branching black marks on a radiograph are usually the result of A) bending the film acutely B) improper development C) improper film storage D) static electricity | show 🗑
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| show | 1,2,3
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| Routine excretory urography usually includes a postmicturition radiograph of the bladder. This is done to demonstrate 1. tumor masses 2. residual urine 3. prostatic enlargement | show 🗑
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| An animal host of an infectious organism that transmits the infection via a bite or sting is a A) vector B) fomite C) host D) reservoir | show 🗑
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| show | C
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| show | A
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| The relationship between the ends of fractured long bones is referred to as A) angulation B) apposition C) luxation D) sprain | show 🗑
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| show | D
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| The junction of the sagittal and coronal sutures is the A) diploe B) lambda C) bregma D) pterion | show 🗑
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| All elbow fat pads are best demonstrated in which position? A) AP B) Lateral C) Acute flexion D) AP partial flexion | show 🗑
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| A frontal view of the sternum is best accomplished in which of the following positions? A) AP B) PA C) RAO D) LAO | show 🗑
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Created by:
katiem55