COMPETITION

Utilization of a large focal spot will result in: 

a. greater concentration of heat on the anodeb. decreased concentration of heat on the anodec. decreased electron emissiond. increased energy of the x-rays produced

5. Which of the following pathological conditions would require a decrease in mAs or kVp to maintain an acceptable density? 

1. Paget's disease2. pulmonary emphysema3. osteoporosis

 a. 1b. 2c. 2 and 3e. 1, 2 and 3

 

6. The crushing of a stone or calculus in the kidney is called: 

a. lithotomyb. nephrolithiasisc. pyelonephritisd. lithotripsy

8. Which of the following structures is located most anterior in the abdomen? 

a. spleenb. kidneyc. transverse colond. inferior vena cava

10. The medical term that refers to the condition of dead tissue is: 

a. necrosisb. necropsyc. noctihistosisd. nyctohistosis

14. On a correctly positioned AP projection of the pelvis, which structure should NOT be visualized? 

a. greater trochanterb. lesser trochanterc. femoral neckd. femoral head

22. The majority of damage to the DNA molecule results from the _____ effect of radiation. 

a. directb. indirectc. both occur equally

 

32. A radiograph of wire mesh is obtained utilizing 5 mAs, 50 kVp, a 40" SID and 200 film screen speed. A localized area of unsharpness is detected in one corner of the radiograph.

This area of unsharpness is most likely due to: 

a. difference in intensification factor in that area of the screen

b. variation in focal spot sizec. quantum mottle effectd. poor screen film contact

• Radiographic ____ is random fluctuation in the optical density of a radiograph.

A. a.detail

B. b.contrast

C. c.noise

D. d.resolution

33. In order to utilize the anode heel effect, the body area being radiographed with the greatest thickness should be positioned: 

a. at the anode side of the x-ray beam

b. at the cathode side of the x-ray beam

c. in the central portion of the x-ray beam

36. When adjusted, which of the following factors provides a direct proportional relationship with the number of x-rays produced? 

a. mAb. SIDc. kVpd. intensifying screen speede. grid ratio

37. Which of the following phosphors is not used in intensifying screens? 

a. calcium tungstateb. gadoliniumc. thorium

d.               d. lanthanum

41. A deficiency of oxygen in the blood is termed: 

a. anosmiab. hypoxemiac. tachypnead. apnea

50. To demonstrate the coccyx with the patient prone, the central ray should be directed: 

a. perpendicular to the filmb. 10 degrees cephaladc. 20 degrees cephalald. 10 degrees caudade. 40 degrees caudad

62. A film badge reading of 70 mrem is equal to how many rem? 

a. 70,000b. 7,000c. .70d. .07

 

64. An increase in filtration of the x-ray beam would result in an: 

a. increase in output in mR/secondb. increased skin dose to the patientc. increase in the half value layerd. increase in radiographic contrast

Which of these body parts has the highest subject contrast?

a.abdomen

b.skull

c.chest

d.pelvis

197. Compared with an 8:1 grid, a 16:1 grid exhibits which of the following characteristics? 

a. greater cleanup, less positioning latitudeb. less cleanup, greater positioning latitudec. greater patient does, greater positioning

latituded. greater selectivity, less patient dose

66. What is the maximum permissible dose for a radiation worker? 

a. .5 rem per yearb. 5 rems per yearc. 5 mrems per yeard. the least amount possible

The resultant effect of an increase in voltage to the x-ray tube is production of x-rays with: 

a. longer wavelengths and higher frequenciesb. shorter wavelengths and higher frequenciesc. longer wavelengths and lower frequenciesd. shorter wavelengths and lower frequencies

182A patient arrives via ambulance to the emergency room on a backboard and in a cervical collar following a motor vehicle accident. The most likely examination to be ordered first is: 

a. portable chestb. lateral skullc. rib seriesd. portable cross-table lateral cervical spine

80. The sensing material in a thermoluminescent dosimeter badge is: 

a. yttriumb. lanthanumc. zinc cadmiumd. lithium fluoride

165. What is the maximum amount of time that can elapse before the fluoroscopic cumulative timer must be reset? 

a. 5 minutesb. 10 minutesc. 15 minutesd. 20 minutes

82. A device that stores an electrical charge is a: 

a. generatorb. solenoidc. capacitord. rectifier

86. Which of the following phases in the cycle of the cell would possess the highest radiosensitivity? 

a. ANAPHASEb. METAPHASEc. PROPHASEd. TELOPHASE

2. Cyanosis is an indication of: 

a. osteoporosisb. end-stage renal diseasec. lack of oxygen to the tissuesd. hypovolemia

89. When a barium enema is being administrated, the barium bag should be: 

a. 30 inches above the patient's hipsb. 4 feet, above the patient's hipc. as high as possibled. 50 inches above the patient's hips

91. Static artifacts can be prevented by: 

a. maintaining darkroom humidity at 40 - 60%b. cleaning the intensifying screens with anti-

static cleanerc. handling film gently to reduce or prevent

frictiond. all of the abovee. a. and b.

92. Reduction of a 14 x 17 inch field to an 8 x 10 inch field with all other factors remaining the same would result in: 

a. increased density and decreased scattered radiation

b. increased density and increased scattered radiation

c. decreased density and decreased scattered radiation

d. decreased density and increased scattered radiation

172. A vascular tumors treated with radiotherapy are sometimes also treated with hyperbaric therapy because: 

a. oxygen helps repair radiation burnsb. tumors are more sensitive in oxygenated

conditionsc. tumors are less sensitive in oxygenated

conditionsd. hyperbaric therapy aids patient comfort level

173. The difference between gamma rays and x-rays is: 

a. sizeb. sourcec. penetrating abilityd. charge

179Which of the following are beam restriction devices? 

a. grids, cones, collimatorb. collimator, cone, diaphragmc. grid, AEC, collimatord. cone, AEC, radiolucent sponge

99. The medical term for the structure that prevents choking is: 

a. hyoid boneb. thyroid cartilagec. larynxe. epiglottis

110. The most common television camera tube used for fluoroscopy is a: 

a. grid pulsedb. vidiconc. opticond. orthochromatic

163. A one-time, 200-R dose directly to the hair follicles would most likely result in: 

a. moist desquamationb. epilationc. hirsutismd. hematopoietic syndrome

111. The number of solid state rectifiers utilized for three phase- twelve pulse generation would be: 

a. 2b. 4c. 8d. 12

 

13. A nosocomial infection is one that: 

a. is acquired from a friend or loved oneb. is non-communicablec. is acquired in the hospital settingd. presents no danger to the patient

198. The AEC accounts for all of the following exposure factor variables except: 

a. distanceb. part thicknessc. pathologyd. positioning

200. The 10-day rule is a guide concerning which of the following time periods? 

a. ten days past the first trimesterb. ten days following the onset of menstruationc. the first 10 days of gestation ten days

following a childbirth

118. The slipping of one part of an intestine into another part of the intestine just below it is called: 

a. peristalsisb. enteritisc. bullimiad. intussusception

121. Which of the following is a method of radiation protection also resulting in improved contrast? 

a. use of gridsb. collimationc. use of low kVp, high mAs

factorsd. all of the above

45. Which type of waveform is associated with an approximate 13% voltage ripple? 

a. three-phase, twelve-pulseb. three-phase, six-pulsec. single-phased. half-wave rectified

 

4. HIV may be transmitted in all of the following ways except: 

a. transfusionsb. giving birthc. sharing drinking waterd. sharing needles

123. Which of the following types of interactions would occur in the diagnostic x-ray range, (50 to 150 KV)? 

1. photoelectric effect2. Compton effect3. pair production

 a. 1b. 1 and 2c. 1 and 3d. 2 and 3e. 1, 2 and 3

67. In order to correctly center a PA view of the hand, the CR should be directed: 

a. 5 degrees cephalic at the third metacarpal head

b. perpendicular to the third metacarpal c. parallel to the base of the third metacarpald. 5 degrees caudad at the third metacarpal

head

68. Of the following, which view(s) of the cervical spine will demonstrate the interveretebral formamina closest to the film?  

a. lateralb. APc. RAOd. LPO

74. Which of the following facial and skull landmarks describes the junction of the nose with the upper lip? 

a. Glabellab. Acanthionc. Nasiond. Outer canthus

77. The vermiform appendix hangs from the inferior surface of which subdivision of the colon?

a. rectumb. cecumc. ascendingd. descending

• Which medical condition may require a lower technique?

A. atelectasis

B. emphysema

C. pneumonia

D. pleural effusion

 

125. A type of personnel monitoring device that is based on the measurement of light emitted from a heated material is in: 

a. ion chamberb. film badgec. Geiger counterd. Thermoluminescent dosimeter

 

81. All of the following are attributes of short-scale contrast except: 

a. high contrastb. wide film latitudec. produced by high mAs, low kVpd. few number of density differences

167Which of the following will provide an immediate reading for a one-time, high-level exposure? 

a. TLDb. film badge

c. lithium fluoride crystal d. pocket dosimeter

187. A double-focus x-ray tube has two: 

a. filtersb. windowsc. filamentsd. rectifiers

8. What is the most important action a technologist should take regarding a patient who is vomiting and unresponsive?  

a. provide an emesis basinb. call the nursec. turn the patient into a prone positiond. turn the patient into a lateral recumbent

position

189. As intensifying screen speed increases, density: 

a. increasesb. decreasesc. is unchangedd. becomes upredictable

• Which sinus is located immediately below the sella turcica?

A. frontal

B. maxillary

C. ethmoidal

D. sphenoidal

191. If all other exposure factors are stable, then of the following factors, which is MOST important concerning recorded detail? 

a. grid ratiob. exposure timec. screen speedd. kVp

 

193. The single best method the technologist can use to decrease voluntary motion is: 

a. short exposure timesb. long exposure timesc. good communicationd. fast screens

169. A patient with profound mental retardation arrives in the radiology department for flat and upright abdomen examination fail; it is apparent that the patient must be held if the examination is to be successful. Of the following the best individual to hold the patient is: 

a. another technologistb. the patient's motherc. an orderlyd. a nurse

There is complete absorption of the incident x-ray photon with

• a.photoelectric effect.

• b.Compton interaction.

• c.pair production.

• d.coherent scatter

• When only optical density needs to changed, then only the ____ should be adjusted.

A. mAs

B. kVp

C. SID

D. Both a and b

126. Which of the following pieces of equipment would be used for testing the focal spot size? 

a. pinhole camerab. wire meshc. penetrometerd. sensitometer

• The use of ____ reduces the risk of a drug reaction during angiographic procedures.

A. hydrophilic catheters

B. ionic contrast

C. nonionic contrast

D. heparin coating

56. When performing a radiographic examination of the stomach, which position/projection demonstrates barium in the fundus? 

a. RAOb. erectc. APd. right lateral

63. Where should the technologist wear his/her film badge during the lumbar spine exam : 

a. on the waist levelb. on the collar levelc. on the abdomen level

Be.d below the waist level

65. In a double-contrast barium enema examination, the primary area of interest for a 45 dergree RAO projection is the: 

a. rectumb. splenic flexurec. hepatic flexured. sigmoid colon

An outer-shell electron is ejected and the atom is ionized with

a. photoelectric interactions.

b. Compton interactions.

c. coherent scattering.

d. pair production

88. Improper stacking of film boxes in the film storage is is likely to cause: 

a. static artifactb. tree artifactc. pressure artifactd. fingernail artifact

129. The term used to describe the statistical variation in the number of x-ray photons absorbed by the intensifying screen is: 

a. noiseb. latent imagec. latituded. artifact

14. The radiologic technologist can facilitate a lumbar spine examination by increasing the patient's comfort level by: 

a. requesting pain medicine for the patientb. placing a pad or sponge under the patient's

kneesc. limiting the examination to anteroposterior

(AP) and lateral viewsd. performing the examination as rapidly as

possible

91. How much time is required for an exposure equaling 70 mAs when using the 200-mA small focal spot station? 

a. 0.50 secb. 1 secc. 0.35 secd. 0.55 sec

56. The term base plus fog describes: 

a. unwanted exposure of film to lightb. unwanted exposure of film from scatter

radiationc. inherent manufacturing and processing

densityd. contributing environmental exposure factors,

such a radon

78. Radiographic evaluation of the uterus and fallopian tubes by injection of iodinated contrast material via uterine cannulation is called:

a. Uterographyb. Pelvic pneumographyc. Hysterogramd. Hysterosalpingography

23. A type of shielding that attaches to the x-ray tube is: 

a. contourb. flatc. shadowd. flat

130. The amount of exposure produced at a 40" SID is 80 mR per exposure. If all other factors remain the same, what would be the exposure in mR, if the SID is increased to 80"? 

a. 320 mRb. 40 mRc. 160 mRd. 20 mRe. 200 mR

One of the most radiosensitive tissues in the body is ____ tissue.

a.spinal

b.muscle

c.lymphatic

d.thyroid

137. Which of the following projections of the foot would best demonstrate the articulation between the cuboid and the calcaneus? 

a. dorsoplantar projectionb. medial oblique projectionc. lateral oblique projectiond. lateral medial projection

30. According to the laws of Bergonie and Tribondeau, which of the following cell types would be least radiosensitive? 

a. muscle cellsb. nerve cellsc. liver cellsd. bone marrow cells

95. Which of the following formulas is used to determine HU output of a three-phase, twelve-pulse radiographic unit? 

a. HU = mA x s x kVpb. HU = mA x s x kVp x 1.35c. HU = mA x s x kVp x 1.41d. HU = mA x s x kVp x 2

41. The device that selects kVp is a: 

a. rheostatb. capacitorc. autotransformerd. resistor

79. In double-contrast-enhanced UGI series, which view demonstrates the lesser and greater curvatures? 

a. LPOb. APc. Laterald. PA

31. What device would be used to measure B+F? 

a. photometerb. wire meshc. densitometerd. photocathode

141. A lateral projection of the ankle will demonstrate the talus: 

a. superimposing the navicularb. lateral to the calcaneusc. superior to the calcaneusd. anterior to the navicular

12. Forms of patient communication include which of the following? 

a. verbalb. facial expressionsc. appearanced. all of the aforementioned

86. The ratio of the height of the lead strips to the width of the interspace material in a grid is known as: 

a. grid radiusb. grid ratioc. grid cutoffd. lines per inch

• The dose limit for the general public is ____ the dose limit for occupational exposure.

A. 1/10

B. 1/5

C. 1/2

D. 3/4

The act of swallowing is termed:

a.mastication.

b.digestion.

c.deglutition.

d.aphasia

18. The complete removal of all microorganisms and their spores is referred to as: 

a. asepsisb. sterile fieldc. surgical asepsisd. medical asepsis

64. Which of the following examinations would best demonstrate the presence of free air under the right hemidiaphragm? 

a. KUBb. UGIc. left lateral decubitus d. right lateral decubitus abdomen

• Roentgens (or grays) is the measurement for x-ray ____.

a.quantity

b.exposure

c.intensity

d.All of the above.

• The swimmer’s technique lateral projection is performed to demonstrate the:

a.cervical vertebrae

b.thoracic vertebrae

c.atlas and axis

d.cervicothoracic region vertebrae

81. A step-down transformer would be utilized: 

a. in the production of high voltage to the x-ray tube

b. in the production of tube currentc. to compensate line voltaged. to adjust kVp

Humans are most radiosensitive during

a.fetal stages.

b.infancy.

c.adulthood.

d.old age.

Which two vessels deliver blood to the heart muscle?

a.Right and left pulmonary arteries

b.Right and left pulmonary veins

c.Right and left coronary arteries

d.Right and left cardiac arteries

 

Radioactive material is measured in ____.

a.rads

b.rems

c.seiverts

d.curies

145. Which of the following types of precautions usually requires more than one person to perform the exam?  

a. airbomeb. dropletc. contactd. standard

The two primary forms of x-ray interaction in the diagnostic range are

A. Compton scattering and photoelectric absorption.

B. Compton scattering and pair production.

C. photoelectric absorption and coherent scattering.

D. coherent scattering and Thompson scattering

66. The functional unit of the kidney is known as the: 

a. nephronb. axonc. glomerulusd. renal tubule

146. Which of the following causes hypovolemic shock? 

a. abnormal dilatation of the peripheral blood vessels

b. sever systemic infectionsc. low volume of plasma in the bodyd. sensitivity to contrast agents

10. The rapid onset of severe cardiovascular and respiratory symptoms following non-ionic contrast-media injection, including cessation of heartbeat and respiration, is best described by which term? 

a. diaphoresisb. DVTc. anaphylactic shockd. prn

164. Protective apparel such as lead aprons and gloves should be _____ at least once every ____. 

a. worn, weekb. imaged, monthc. worn, dayd. imaged, year

Approximately ____ of the kinetic energy of the projectile electrons is converted to x-rays at the target.

a.1%

b.10%

c.50%

d.99%

157. Which of the letters in the diagram refers to a navicular bone?  

a. ab. bc. c

d. dd

____ is a late effect of radiation exposure.

a.Erythema

b.Epilation

c.Cancer

d.Nausea

Photons with the highest frequencies have the

a.highest velocity.

b.lowest energy.

c.longest wavelengths.

d.shortest wavelengths

12. The ileocecal valve is located in the:

a. right upper quadrantb. right lower quadrantc. left upper quadrantd. left lower quadrant

42. Which type of rectification eliminates the negative alternation of alternating current? 

a. half-waveb. full-wavec. three-phased. inverse

To demonstrate the zygapophyseal joints of the lumbar spine, the patient angle is:

a.30 degrees

b.45 degrees

c.50 degrees

d.55 degrees

If the wavelength of a beam of electromagnetic radiation increases by a factor of 2, then its frequency must

a.double.

b.increase four times.

c.decrease by half.

d.remain constant

WhWhich of the following projection would demonstrate all of the sinuses? 

a. SMV b. lateral

c.               c. AP CaldwellPA d. Waters

• What is the classification of barium sulfate as a contrast media?

a.Radiopaque

b.Radiolucent

c.Isodense

d.Negative contrast media

100. What device is used to test accuracy of the x-ray timer? 

a. aluminum step wedgeb. spinning topc. star patternd. densitometer

wIn what hat position was this radiograph obtained?       RAO      LPO       lateral.      AP erect

The theory of radiation hormesis suggests that radiation doses below 10 rads are ____.

a.carcinogenic

b.beneficial

c.lethal

d.harmful

15. The highest incidence of infection transmission can be attributed to which of the following? 

a. handsb. improper sterilizationc. droplet contactd. improper linen disposal

34. If after processing the films come out hot and brittle, the probable cause is: 

a. fixer over-replenishmentb. inadequate developer replenishmentc. dryer temperature too high

Ded. developer temperature too high

32. Which of the following measurements requires multiplication by the QF in order to attain it? 

a. remb. radc. Rd. Gy

 

147. An indirect means of spreading microorganisms in the OR is: 

a. by instrumentsb. by hand to hand contactc. by ventilationd. a. and b.e. a. and c.

 The most commonly performed oblique

projection of the foot is the:

A. AP oblique in medial rotation

B. AP oblique in lateral rotation

C. PA oblique in medial rotation

D. PA oblique Grashey method

150. The navicular articulates anteriorly with which tarsal bone? 

a. talusb. bases of the 1st and 2nd metatarsalsc. heads of the 1st and 2n metatarsalsd. cuneiformse. cuboid

151. In order to measure potential difference, the voltmeter should be wired in a: 

a. series circuitb. parallel circuitc. series or parallel circuit

. LLetter “A” is pointing to: a.       a. lateral massb.      b. zygoapophyseal jointc.       c .superior articular processd.      d. C2

The best way to hold patients who are unable to support themselves is to use

a.restraining devices.

b.family members.

c.other hospital staff.

d.technologists

25. The greatest threat of occupational exposure arises from: 

a. Compton scatterb. Primary beam c. Thompson scatterd. photoelectric effect

17. Which blood pressure indicates shock? 

a. 110/80b. 160/110c. 80/60d. none of the aforementioned

The term antrum of Highmore refers to the:

a.frontal sinuses.

b.ethmoid sinuses.

c.maxillary sinuses.

d.nasal cavity.

Which of the following is prominently shown "in profile" on an AP projection of the shoulder with the humerus in external

rotation?

A. lesser tubercle

B. greater tubercle

C. scapulohumeral joint

D. acromioclavicular joint

3. Decubitus ulcers: 

a. may be minimized by frequent turning

b. are commonly called bedsoresc. are caused by lack of oxygen to

tissued. are all of the aforementioned

19. Elevated BUN and creatinine levels are markers of which of the following? 

a. patient ageb. renal functionc. small bowel obstructiond. all of the aforementioned

What is the milliamperage used during fluoroscopy?

a. 100 mA

b. b. 50 mA

c. c. 5 mA

d. d. 1 mA

What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines?

a.10 degrees

b.15 to 2 degrees

c.7 to 8 degrees

d.20 to 25 degrees

If a technologist is receiving 200 mR/hr standing 1 foot from the patient during fluoroscopy, what is his rate of exposure when he steps back to a distance of 2 feet from the patient?

a.50 mR/hr

b.74 mR/hr

c.100 mR/hr

d.175 mR/hr

16. To demonstrate the sacroiliac joint with the patient supine, the affected side should be elevated: 

a. 15 degreesb. 25 degreesc. 45 degreesd. 60 degrees

• Which of the following kV ranges should be used for an upper GI series using barium sulfate (single contrast study)?

a.80 to 90 kVb.90 to 100 kVc.100 to 110 kVd.125 to 140 kV

• An abnormal lateral curvature of the spine is termed:

A. scoliosis

B. kyphosis

C. lordosis

D. scoliokyphosis

Bremsstrahlung x-rays are produced by ____ at the target.

A. outer shell excitation.

B. slowing electrons.

C. K-shell interactions.

D. L-shell interactions

Which term describes the leakage of contrast media from a vein into the surrounding tissues of the arm?

a.Extravasation

b.Filtration

c.Exudation

d.Micturition

A. The data on the personnel radiation monitoring report must always include the

B. current exposure.

C. cumulative annual exposure.

D. skin dose.

E. Both a and b

• The fluoroscopic exposure control switch is always a(n) ____ type.

A. rheostat

B. automatic

C. deadman

D. on-off

Film is made with double emulsion to enhance film ____.

a.sensitivity

b.latitude

c.contrast

d.speed

What is another term for the pancreatic duct?

a.Duct of Wirsung

b.Hepatopancreatic duct

c.Duct of Langerhans

d.Ampulla of Vater

15 The medical term hematuria can be defined as: 

a. blood in the urineb. blood in the the stoolc. blood in the spinal canald. blood in the renal pelvise. urine constituents in the

blood

Which kVp selection would result in the most scattered x-rays in the image-forming beam?

a.90 kVp

b.75 kVp

c.60 kVp

d.50 kVp

• The first component to receive power in the x-ray circuit is the ____.

A. .mA meter

B. high voltage transformer

C. rectifier

D. autotransformer

160. According to NCRP guidelines, at least how much filtration is required of an exposure room used primarily for examination of the GI tract? 

a. 2.5 mm A1b. 0.0025 mm A1c. 1.5 mm Mod. 0.5 mm A1

The Mnemonic ABC is a shorthand expression for which of the following emergency procedures? 

a. Heimlich maneuverb. CPRc. Hemostasisd. Mouth-to-mouth resuscitation

Modern radiographic film base is made of ____.

a.cellulose nitrate

b.silver halide

c.gelatin

d.polyester

161. Which of the following are examples of inherent filtration elements? 

a. collimatorb. oil coolantc. aluminum insertsd. mirror

Dose in ____ is used to identify irradiation of patients.

a.rems

b.rads

c.R

d.Sv

The purpose of a grid is to achieve

a.reduction of patient dose.

b.extended tube life.

c.improved image contrast.

d.All of the above.

The normal creatinine level (diagnostic indication of kidney function) for an adult is:

a.0.1 to 0.5 mg/dl.

b.0.6 to 1.5 mg/dl.

c.3 to 4.5 mg/dl.

d.6 to 7.5 mg/dl

• A transformer has 100 coils on the primary side and 300 coils on the secondary side. What will the voltage be on the secondary side if the primary side is supplied with 120 volts?

A. 100 VB. 300 VC. 360 VD. 3600 V

How is the water-soluble contrast media eliminated following a myelogram?

a.Withdrawn through a needle/syringe

b.Remains in the spinal canal

c.Excreted by the kidneys

d.Excreted by the lungs

The process of the ethmoid bone containing many foramina is the: 

a. crista gallib. pterygoid processc. cribriform plated. superior conchae

42. Which of the following carpal bones is the most frequently fractured? 

a. hamateb. scaphoidc. trapeziumd. pisiform

The reduction of radiation intensity due to scattering and absorption is called ____.

A. reflection

B. refraction

C. attenuation

D. dispersion

Which of the following techniques is most effective in preventing lung markings from obscuring the sternum?

a.Use a high kV.

b.Oblique as much as needed to not superimpose the sternum over the hilum region.

c.Decrease the SID to magnify the sternum.

d.Use a breathing technique

• There is usually a ____ before the symptoms of acute radiation syndromes appear.

A. latent period

B. recovery period

C. prolonged illness

D. loss of hair

Which term describes the leakage of contrast media from a vein into the

surrounding tissues of the arm?

A. Extravasation

B. Filtration

C. Micturition

D. Exudation

Which level of severity is the reaction of giant hives?

a.Normal side effect

b.Mild reaction

c.Moderate reaction

d.Severe reaction

A loss of consciousness due to reduced cerebral blood flow is termed:

a.syncope.

b.brachycardia.

c.hypotension.

d.angioedema.

A twisting of the intestine on its own mesentery is termed:

A. intussusception.

B. volvulus

C. diverticulosis.

D. enteritis

• The principal radiation interactions within the human body are assumed to be

A. indirect effects.

B. direct effects.

C. DNA damage.

D. cell destruction.

The production of heat at the anode is directly proportional to

A. rotor speed.

B. filament current

C. kVp.

D. tube current.

• The total destruction of microorganisms is accomplished through the use of:

• a.disinfectants

• b.sterilization

• c.germicides

• d.antiseptics

Which basic projection of the elbow best demonstrates the olecranon process in profile?

a.AP

b.Lateral

c.Medial rotation oblique

d.Lateral rotation oblique

What is the recommended treatment for extravasation?

a.Give the patient diphenhydramine (Benadryl).

b.Lay the patient down and elevate lower limbs.

c.Increase IV fluids.

d.Place a warm towel over the injection site

The fluoroscopic exposure control switch is always a(n) ____ type.

a.rheostat

b.automatic

c.deadman

d.on-off

What CR angulation is required for the AP oblique projection of the foot?

a.CR is perpendicular to the image receptor

b.10 degrees posterior

c.15 to 20 degrees posterior

d.5 to 7 degrees posterior

Where is bile formed?

a.Gallbladder

b.Duodenal mucosa

c.Liver

d.Pancreas

Where is the contrast media instilled during a myelogram?

a.Subarachnoid space

b.Epidural space

c.Subdural space

d.Spinal cord

In which of the four major quadrants of the abdomen would the cecum be found?

a.Right upper quadrant

b.Left upper quadrant

c.Right lower quadrant

d.Left lower quadrant

Which is the most commonly fractured carpal bone?

a.Lunate

b.Trapezium

c.Scaphoid

d.Hamate

Select the imaging system that provides the highest beam quality.

• a.single-phase, half-wave rectified

• b.high frequency

• c.three-phase, twelve-pulse

• d.single-phase, full-wave rectified