VT 8 DiAGN0STiC iMAGiNG final review

d

What is the patient position for a dv thoracic radiograph? A. Standing b. Right lateral recumbency c. Left lateral recumbency d. Sternal recumbency

d

Why should the front legs of the patient be extended and symmetrical when taking a vd thoracic radiograph? a. to make a patient more comfortable b. to evaluated the shoulder joint c. to make it easier for the patient to breath d. to keep the thorax symmetrical

a

a grid is recommended to reduce scatter radiation when a body part exceeds what measurement? a. 10 cm b 4 cm c. 6 cm d. 8 cm

c

an excretory urogram is used to assess the function of what organ? a. liver b. heart c. kidney d. colon

B

blood vessels, abscesses, and cysts are usually which radiographic density when seen on thoracic film? a. air b. fat c. water d. bone

b

if the mas is decreased by 50% what change should be made in the kvp in order to produce a radiograph of comparable density a. decrease 1-5% b. increase 10-15% c. increase 30-50% d. decrease by 1/2

d

if the source image distance is doubled, what happens to the intensity of the x-ray beam? a. no change b. increased two-fold c. increased four-fold d. decreased to 1/4

a

what are the collimation borders for OFA radiographs? a. wings of ilium to tibial crest b. ischium to patella c. greater trochanter to tarsus d. iliac crest to mid-femur

c

what is the advantage of a rotating anode over a stationary anode? a. it can produce more x-rays b. it is lighter weight c. it is less likely to over heat d. it is portable

D

what is the caudal margin for proper collimation of a abdominal radiograph? a. middle of the rib cage b. manubrium c. xiphoid d. greater trochanter

a

what is the correct sequence of steps in a radiographic film development? a. developer, rinse, fixer, wash, dry b. rinse, developer, wash, fixer, dry c. fixer, wash, developer, rinse, dry d. developer, fixer, wash, dry, rinse

b

what is the cranial margin for proper collimation of a thoracic radiograph? a. middle of the rib cage b. manubrium c. xiphoid d. greater trochanter

d

what is the proper position of a dog for a thorough abdominal ultrasound examination? a. standing b. sitting c. right lateral recumbency d. dorsal recumbency

d

what is the recommended amount of lead equivalent for radiology gloves? a. 0.01 mm b. 1/30 inch c. 0.20 mm d. 0.5 mm

d

what would be the proper restraint position to obtain the two standard radiographic views of the left radius and ulna? a. dorsal and right lateral recumbency b. right and left lateral recumbency c. sternal and right lateral recumbency d. sternal and left lateral recumbency

d

when creating a radiography technique chart what change is continuously made as the patient size increases? a. ma increases b. ma decreases c. exposure time decreases d. kvp increases

b

when reviewing a radiograph you are able to identify the different tissue densities but all of them appear whiter than they should what change should you make to improve the quality of the next radiograph? a. decrease kvp b.increase mas c. increase kvp d. decrease mas

b

when x-rays collide with matter the path that some x-rays travel may be changed, what is this commonly called a. transmission b. scatter c. excitation d. fluorescence

a

where should a dosimeter badge be wore under california law? a. on the collar outside the gown b. on the waist inside the gown c. on the scrub top under the gown d. on the wrist inside the glove

a

which anatomic structure will show the least amount of magnification in a vd radiograph? a. spine b. heart c. stomach d. sternum

c

which anatomic structure would cast the whitest image on a radiograph? a. trachea b. liver c. femur d. urinary bladder

c

which imaging technology can provide real time moving images? a, plain film radiography b. digital radiography c. fluoroscopy d. computed tomography

c

which imaging technology would be least useful to evaluate the air region of the lungs? a. plain film radiography b. digital radiography c. ultrasound d. computed tomography

b

which of the following errors can be corrected by routine editing of a digital radiograph? a. collimation too small b. over penetration c. radiograph taken on expiration d. gloves in primary beam

d

which of the following is a positive contrast agent? a. air b. nitrogen c. 0.9% sodium chloride solution d. barium sulfate

b

which of the following parts of the x-ray machine is most commonly found on the control panel? a. grid b. mas selector c. collimator d. anode

c

which of the following statements is correct regarding radiography of a limb? a. the limb of interest should be furthest from the cassette b. if evaluating a bone, only the center portion of the bone should be viewed on the radiograph c. if evaluating a joint, the radiograph should include 50% of the bone both above and below the joint d. only one radiographic view is required to properly evaluate a limb

d

which of the following statements is true? a. radiation exposure does not occur outside the primary beam b. a patient is radioactive for only a fraction of a second after a radiograph c. lead lined gloves will fully protect your hands in the primary beam d. scatter radiation has the greatest intensity close to the patient

b

which procedure always require anesthesia? a. lateral skull radiography b. penn hip evaluation c. thoracic ultrasound d. upper GI study