arrt registry review Latest Update -

arrt registry review Latest Update - Actual Exam 280 Questions and 100% Verified Correct Answers Guaranteed A+

A colles fracture usually involves the following: - CORRECT ANSWER: posterior and outward displacement of the hand and a chip fracture of the ulnar styloid process

a device used to ensure reproducible radiographs, regardless of tissue density

variations, is the - CORRECT ANSWER: automatic exposure control

a dose of 0.25 Gy or 25 rad to the fetus during the latter part of the first trimester of

pregnancy is more likely to cause - CORRECT ANSWER: neurologic abnormalities

a patient aged 55 years is most accurately described as - CORRECT ANSWER: middle adult

a patient's feeling of spinning, or the room spinning around him, is called - CORRECT

ANSWER: vertigo

a patient's iv container should be hung - CORRECT ANSWER: 18-24 inches above the vein

a postvoid image of the urinary bladder is usually requested at the completion of an intravenous urogram and may be helpful in demonstrating: - CORRECT ANSWER: residual urine and prostate enlargement

A radiographer should recognize that gerontologic patients often have undergone

physical changes that include loss of - CORRECT ANSWER: muscle mass and bone

calcium

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A radiographer who discloses confidential information to unauthorized individuals may

be found liable for - CORRECT ANSWER: defamation

A radiographer who performs an x-ray examination on a patient without the patient's consent , or after the patient has refused the examination, may be liable for -

CORRECT ANSWER: battery

a satisfactory receptor exposure was obtained using 12 mAs and 400 mA. What exposure time would be required to produce the same receptor exposure using 1200

mA - CORRECT ANSWER: 10 ms

ABC is used in fluoroscopy to adjust the - CORRECT ANSWER: kilovoltage and

milliamperage

accurate operation of the AEC device depends on - CORRECT ANSWER: positioning of the object with respect to the photocell and beam restriction

advantages of flat panel fluoroscopy include - CORRECT ANSWER: decreased patient dose and increased temporal resolution

advantages of LED display over LCD display include - CORRECT ANSWER: less power

consumption, improved lighting, and thinner design

advantages of moving the image intensifier closer to the patient during traditional

fluoroscopy include - CORRECT ANSWER: decreased patient dose and improved

image quality

although the stated focal spot size is measured directly under the actual focal spot, focal spot size actually varies along the length of the x-ray beam. At which portion of the x-ray

beam is the effective focal spot the smallest - CORRECT ANSWER: anode end

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an AEC device can operate on which of the following principles - CORRECT ANSWER: a PMT charged by a fluorescent screen and a parallel-plate ionization chamber charged by x-ray photons

an algorithm, as used in xray imaging, - CORRECT ANSWER: is a series of variable instructions

an axial projection of the clavicle is often helpful in demonstrating a fracture not visualized using a perpendicular central ray. When examining the clavicle in the AP axial

projection, how should the central ray be directed - CORRECT ANSWER: cephalic

An individual's legal document identifying his or her specific wishes regarding medical care to be provided in the event that he or she is unable to make or communicate

decisions is called - CORRECT ANSWER: advanced health care directive

and exposure was made using 200 mA, 50 ms exposure, and 75 kv. what changes would effectively double radiographic receptor exposure - CORRECT ANSWER: change to 0.1-s exposure, change to 86 kv, and change to 20 mAs

as a result of the anode heel effect, x-ray beam intensity is greatest along the -

CORRECT ANSWER: cathode end of the beam

as digital image matrix size increases - CORRECT ANSWER: Pixel size decreases,

resolution increases, pixel depth increases

as electrons impinge on the anode surface, less than 1% of their kinetic energy is

changed to - CORRECT ANSWER: x-rays

As the size of the image matrix increases in digital imaging - CORRECT ANSWER: pixel size decreases and spatial resolution increases

Aspirated foreign bodies in older children and adults are most likely to lodge in the -

CORRECT ANSWER: right main bronchus

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