TEST PREP A-10 Flashcards by Jae Woong Yoon

Europium-activated barium fluorohalide is associated with

rare earth intensifying screens
image intensifiers
PSP storage plates
filament material

PSP storage plates

How well did you know this?

Not at all

Perfectly

The threat of bodily harm, with apparent ability to do so, is termed

assult
battery
false imprisonment
invasion of privacy

assult

How well did you know this?

Not at all

Perfectly

The position seen below is used to demonstrate

AP elbow, partial flexion, distal humerus
AP elbow, partial flexion, proximal forearm
lateral elbow, partial flexion, distal humerus
lateral elbow, partial flexion, proximal forearm

AP elbow, partial flexion, proximal forearm

How well did you know this?

Not at all

Perfectly

An acute reaction caused by ingestion or infection of a sensitizing agent describes

asthma
anaphylaxis
myocardial infarction
rhinitis

anaphylaxis

How well did you know this?

Not at all

Perfectly

As the CR laser scanner/reader recognizes the phosphostimulated luminescence (PSL) released by the PSP storage plate, it constructs a graphic representation of pixel value distribution called a

processing algorithm
histogram
lookup table
exposure index

histogram

How well did you know this?

Not at all

Perfectly

An accurately positioned oblique position of the first through fourth lumbar vertebrae will demonstrate the classic “Scotty dog.” What bony structure does the Scotty dog’s neck represent?

Superior articular process
Pedicle
Transverse process
Pars interaticularis

Pars interarticularis

How well did you know this?

Not at all

Perfectly

Howis source-to-image distance (SID) related to exposure rate and receptor exposure?

As SID increases, exposure rate increases and receptor exposure increases.
As SID increases, exposure rate increases and receptor exposure decreases.
As SID increases, exposure rate decreases and receptor exposure increases.
As SID increases, exposure rate decreases and receptor exposure decreases.

As SID increases, exposure rate decreases and receptor exposure decreases.

How well did you know this?

Not at all

Perfectly

What information must be included on an x-ray image for it to be considered as legitimate legal evidence?

Name of facility where examination performed
Examination date
Date of birth

1 only
1 and 2 only
2 and 3 only
1, 2, and 3

1 and 2 only

How well did you know this?

Not at all

Perfectly

Below illustrates a sectional image of the abdomen. Which of the following is represented by the number 4?

Left colic flexure
Pancreas
Left kidney
Spleen

Spleen

How well did you know this?

Not at all

Perfectly

The principal late effects of ionizing radiation on humans include

local tissue damage
genetic effects
malignant disease

1 only
1 and 2 only
2 and 3 only
1, 2, and 3

2 and 3 only

How well did you know this?

Not at all

Perfectly

Which of the following procedures requires that contrast medium be injected into the ureters?

Cystogram
Urethrogram
Retrograde pyelogram
Cystourethrogram

Retrograde pyelogram

How well did you know this?

Not at all

Perfectly

What is the Standard International unit of radiation exposure?

Gya

How well did you know this?

Not at all

Perfectly

Which of the following combinations would pose the least hazard to a particular anode?

0.6-mm focal spot, 75 kVp, 30 mAs
0.6-mm focal spot, 85 kVp, 15 mAs
1.2-mm focal spot, 75 kVp, 30 mAs
1.2-mm focal spot, 85 kVp, 15 mAs

1.2-mm focal spot, 85 kVp, 15 mAs

How well did you know this?

Not at all

Perfectly

What is the structure indicated by the letter I below?

Greater tubercle
Coronoid process
Coracoid process
Acromion process

Coracoid process

How well did you know this?

Not at all

Perfectly

Which of the following indicates the scaplar notch seen below?

How well did you know this?

Not at all

Perfectly

The CR should be directed to the center of the part of greatest interest in order to avoid

rotation distortion
magnification
foreshortening
elongation

rotation distortion

How well did you know this?

Not at all

Perfectly

Federal regulations regarding infection control in the workplace, as amended by the Occupatinal Safety and Health Administration 9OSHA), make which of the following requirements?

Heaptitis B immunizations must be made available to all hospital employees.
Puncture-proof containers must be provided for all used needles.
Follow-up care must be providd to any staff accidentally exposed to blood splash/needle stick.

1 only
1 and 2 only
2 and 3 only
1, 2, and 3

2 and 3 only

How well did you know this?

Not at all

Perfectly

Imperfect expansion of the lung(s), often accompanied by dispnea, is called

COPD
pneumonia
pneumothorax
atelectasis

atelectasis

How well did you know this?

Not at all

Perfectly

Which of the following radiologic examinations requires preparation consisting of a low-residue diet, cathartics, and enemas?

Upper GI series
Small bowel series
Barium enema (BE)
Intravenous (IV) cystogram

Barium enema (BE)

How well did you know this?

Not at all

Perfectly

The exposure timer settings on three-phase radiographic equipment must be tested annually and must be accurate to within

+/-2%
+/-5%
+/-10%
+/-20%

+/-5%

How well did you know this?

Not at all

Perfectly

Fluoroscopic equiptment features designed to eliminate unnecessary radiation exposure to patients and/or personnel

protective curtain
filtration
collimation

1 only
1 and 2 only
1 and 3 only
1, 2, and 3

1, 2, and 3

How well did you know this?

Not at all

Perfectly

Which of the following will best demonstrate the lumboscral articulation in the AP position?

CR perpendicular to L3
CR perpendicular to L5 to S1
CR caudad 30 to 35 degrees
CR cephalad 30 to 35 degrees

CR cephalad 30 to 35 degrees

How well did you know this?

Not at all

Perfectly

The following projection(s) require(s) that the shoulder be placed in external rotation?

AP humerus
Lateral forearm
Lateral humerus

1 only
1 and 2 only
2 and 3 only
1, 2, and 3

1 only

How well did you know this?

Not at all

Perfectly

During endoscopic retrograde cholangiopancreatography (ERCP) examination, contrast medium is injected into the

hepatic duct
cystic duct
pancreatic duct
common bile duct

common bile duct

How well did you know this?

Not at all

Perfectly

Which of the following is (are) well demonstrated in the oblique position of the cervical vertebrae? 1. Pedicles 2. Disk spaces 3. Apophyseal joints * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1 only

Which of the following is most likely to produce a high-quality image? * Small image matrix * High signal-to-noise ratio (SNR) * Large pixel size * Low resoution

High signal-to-noise ratio (SNR)

A decrease from 90 to 77 dVp in SF/analog imaging will result in a decrease in which of the following? 1. Wavelength 2. Scale of grays 3. Optical density * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

The image shown below was made in the following recumbent position * RAO * Lateral * LPO * PA

LPO

Terms that reger to size distortion include 1. magnification 2. attenuation 3. elongation * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1 only

Advantages of high-frequency generators include 1. small size 2. decreased patient dose 3. nearly constant potential * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

Biologic materal is most sensitive to radiation exposure under which of the following conditions? * Deoxygenated * Oxygenated * Hypoxic * Anoxic

Oxygenated

Which of the following is the *preferred* scheduling sequence? * Lower GI series, abdomen ultrasound, upper GI series. * Abdomen ultrasound, lower GI series, upper GI series. * Abdomen ultrasound, upper GI series, lower Gi series. * Upper GI series, lower GI series, abdomen ultrasound.

Abdomen ultrasound, lower GI series, upper GI series.

The RAO position is used to project the sternum to the left of the thoracic vertebrae in order to take advantage of the * pulmonary markings * heart shadow * posterior ribs * costal cartilages

heart shadow

As window level decreases * contrast scale increases * contrast scale decreases * brightness increases * brightness decreases

brightness decreases

The AP axial projection of the chest for pulmonary apices 1. projects the apices above the clavicles 2. requires 15 to 20 degrees of cephalad abgualtion 3. should demonstrate the medial ends of the clavicles equidistant from the vertebral column * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

Rapid onset of severe respiratory or cardiovascular symptoms after ingestion or injection of a drug, vaccine, contrast agent, or food or after an insect bite describes * asthma * anaphylaxis * myocardial infarction * rhinitis

anaphylaxis

Which of the lines indicated below correctly demonstrates the relationship between the exposure received by the PSP and its resulting luminescence as it is laser scanned? * Line A is representative of PSP exposure. * Line B is representative of PSP exposure. * Neither line is representative of PSP exposure. * Both lines are representative of PSP exposure.

Line A is representative of PSP exposure.

The following is/are used to indicate the appropriateness of radiation intensity reaching the IR 1. exposure index 2. sinsitivity (S) number 3. field of view (FOV) * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1 and 2 only

Which of hte following is *most useful* for bone age evaluation? * Lateral skull * PA chest * AP pelvis * PA hand

PA hand

What lies immediately under the phosphor layer of a PSP storage plate? * Reflective layer * Base * Antistatic layer * Lead foil

Reflective layer

Body substances and fluid that are considered infectious or potentially infectious include 1. speutum 2. synovial fluid 3. cerebrospinal fluid * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

The National Council on Radiation Protection and Measurements (NCRP) has recommended what total equivalent dose limit to the embryo/fetus? * 0.5 mSv * 5.0 mSv * 50 mSv * 500 mSv

5.0 mSv

Fluids and medications are administered to patients intravenously for which of the following reasons? 1. To promote rapid response. 2. To administer parenteral nutrition. 3. To achieve a local effect. * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1 and 2 only

Which of the following is (are) tested as part of a QC program? 1. Beam alignment 2. Reproducibility 3. Linearity * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1, 2, and 3

The line-focus principle refers to the fact that * x-rays cannot be focused * x-rays travel in straight lines * the effective focal spot is larger than the actual focal spot * the actual focal spot is larger than the effective focal spot

the actual focal spot is larger than the effective focal spot

Which of the following positions will move the fundus of the gallbladder shown below away from the superimposed transverse process? * RAO * LAO * LPO * Left lateral decubitus

LAO

Which of the following effects does an analgesic have on the body? * Decrease pain * Helps delay clotting * Increases urine output * Combats bacterial growth

Decrease pain

The roentgen, as a unit of measurement, expresses * absorbed dose * exposure in air * dose equivalent * dose to biologic material

absorbed dose

Histogram appearance can be skewed if there is inaccuracy in 1. part centering 2. part positioning 3. processing algorithm selection * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

Bone densitometry is often performed to 1. measure degree of bone (de)mineralization 2. evaluate results of osteoporosis treatment/therapy 3. evaluate condition of soft tissue adjacent to bone * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1 and 2 only

Indirect modes of disease transmission include 1. vector 2. fomite 3. airborne * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1, 2, and 3

If a part received 0.8 rad during a 4-minute fluoroscopic examination, what ws the dose rate? * 2 mrad/min * 20 mrad/min * 200 mrad/min * 2000 mrad/min

200 mrad/min

An increase from 78 to 92 kVp will result in a decrease in which of the following? 1. Wavelength 2. Beam intensity 3. Energy * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1 only

In the 45-degree medial oblique projection of the ankle, the 1. talotibial joint is visualized 2. tibiofibular joint is visualized 3. plantar surface should be perpendicular to the lower sig * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

Major effect(s) of irradiation of macromolecules include(s) 1. point lesions 2. cross-linking 3. main-chain scission * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

1, 2, and 3

Cells described as somatic include 1. spermatozoa 2. neuron 3. muscle * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

An animal host of an infectious organism that transmits the infection via a bite or sting is a * vector * fomite * host * reservoir

vector

If the exposure rate at 2.0 m from a source of radiation is 18 mR/min, what will be the exposure rate at 5 m from the source? * 2.8 mR/min * 4.5 mR/min * 18 mR/min * 85 mR/min

2.8 mR/min

Methods of decreasing patient dose during fluoroscopic examinations and include 1. use of last image hold 2. using the lowest practical pulse rate 3. kepping the patient/part as close to the image intensifier as possible * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

An axial projection of the clavicle is often helpful in demonstrating a fracture that is not visualized using a perpendicular CR. When examining the clavicle in the PA position, how is hte CR directed for the axial projection? * Cephalad * Caudad * Medially * Laterally

Caudad

An exposure was made using 600 mA, 0.04-s exposure, and 85 kVp. Each of the following changes will serve to decrease the receptor exposure y one-half *except* a change to * 1/50-s exposure * 72 kVp * 18 mAs * 300 mA

18 mAs

All the following are rules of good body mechanics *except* * keep back straight, avoid twisting * keep the load away from the body * push, do not pull, the load * keep a wide base of support

keep the load away from the body

Which of the following is (are) accurate positioning or evaluation criteria for an AP projection of the normal knee? 1. Femorotibial interspaces equal bilaterally. 2. Patella superimposed on distal tibia. 3. CR enterss 1/2 inch distal to base of patella. * 1 only * 1 and 2 only * 1 and 3 only * 1, 2, and 3

Femorotibial interspaces equal bilaterally.

The source-to-table distance in fixed/staionary fluoroscopy must * be at least 15 inches * not exceed 15 inches * be at least 12 inches * not exceed 12 inches

be at least 15 inches

Each of the following statements regarding respiratory structures is true *except* * the left lung has two lobes * the lower portion of the lung is the base * each lung is enclosed in peritoneum * the main stem bronchus enters the lunghilum

each lung is enclosed in peritoneum

Which of the following artifacts is occasionally associated with the use of grids in digital imaging? * Incomplete erasure * Aliasing * Image fading * Vignetting

Aliasing

Images useful indemonstrating postspinal fusion degree of motion include 1. AP flexion and extension 2. lateral flexion and extension 3. AP right and left bending * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

A blowout fracture usually occurs in which aspect of the orbital wall? * Superior * Inerior * Medial * Lateral

Inerior

What is the name of the structure indicated as number 7 in Figure below? * Lateral epicondyle * Medial epicondyle * Olecranon process * Trochlea

Lateral epicondyle

Which of hte following projections/positions would best demonstrate structure number 8 seen in Figure below? * PA projection * Lateral projection * AP external oblique * AP internal oblique

AP external oblique

The condition in which pulmonary alveoli lose their elasticity and become permanently inflated, causing the patient to consciously exhale, is * bronchial asthma * bronchitis * emphysema * tuberculosis

emphysema

Tungsten alloy is the usual choice of target material for radiographic equipment because it 1. has a high atomic number 2. has a high melting point 3. can readily dissipate heat * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

The portion of a hypodermic needle that attaches to the syringe is termed its * hub * gauge * length * bevel

hub

X-ray tube life may be extended by 1. using high mAs with low kV technical factors 2. avoiding lengthy anode rotation 3. avoiding exposures to a cold anode * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

2 and 3 only

Gonadal shielding should be provided for male patients in which of the following examinations? 1. Femur 2. Abdomen 3. Pelvis * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1, 2, and 3

A parallel plate ionization chamber receiving a charge from x-ray photons is a/an * photomultiplier tube * induction motor * autotransformer * AEC

AEC

In which of the following projections was the image in Figure below? * AP * Medial/inernal oblique * Lateral/external oblique * Acute flexion

Lateral/external oblique

Which of the following statements is (are) true with respect to the differences between the male and female bony pelvis? 1. The female pelvicoutlet is wider. 2. The pubic angle is 90 degrees or less in the male. 3. The male pelvis is more shallow. * 1 only * 1 and 2 only * 2 and 3 only * 1, 2, and 3

1 and 2 only

Which interaction between xx-ray photons and matter involves parial transfer of the incident photon energy to the involved atom? * Photoelectric effect * Compton scattering * Coherent scattering * Pair production

Compton scattering

In which section of the automatic processor shown in Figure below are the unexposed silver halide grains acted upon? * Section 1 * Section 2 * Section 3 * Section 4

Section 2

It is essential to question female patients of child-bearing age regarding the date of their last menstrual period possibility of their being pregnant number of x-ray examinations. I have had in the past 12 months 1 only 1 and 2 only 1 and 3 only 1, 2 and 3

1 and 2 only

Geometric and sharpness is influenced by which of the following? Distance from object to image Distance from source to object Distance from source to image 1 only 1 and 2 only 1 and 3 only 1, 2, and 3

1, 2, and 3

Minimum total amount of aluminum filtration (inherent plus added) of 2.5 mm is required in equipment operated Above 50 kVp About 60 kVp Above 70 kVp Above 80 kVp

Above 80 kVp

Which of the following radiologic examinations would deliver the greatest ESE? Chest Skull Abdomen Thoracic spine

Abdomen

Combinations of miliamperage and exposure time that produce a particular milliampere-seconds value will produce identical receptor exposures. This statement is an expression of the Inverse-square law Line-focus principal Reciprocity law De log E curve

Reciprocity law

The AP projection of the scapula requires that the Affected R&B abducted CR enters approximately 2 in inferior to the coracoid process Thorax be rotated about 15° toward the affected side 1 only 1 and 2 only 2 and 3 only 1, 2, and 3

1 and 2 only

How can OID be reduced for a PA projection of the wrist? Extend the fingers Flexed the metacarpophalangeal joints Extend the forearm Oblique the metacarpals 45°

Flex the metacarpophalangeal joints

How often are radiographic equipment collimators required to be evaluated? Annually Biannually Semiannually Quarterly

Semiannually

During an intravenous urogram (IVU), the RPO position is used to demonstrate the Left kidney parallel to the IR Right kidney parallel to the IR Right kidney perpendicular to the IR 1 only 2 only 1 and 2 only 1 and 3 only

1 and 3 only

Impingement on the wrist, median nerve, causing pain and disability of the affected in and race is known as Carpal boss syndrome Carpal tunnel syndrome Carpopedal syndrome Radioulnar syndrome

Carpal tunnel syndrome

All other factors remaining the same, if a 14 x 17” field is collimated to a 4 – in.² field, the radiographic image will demonstrate Increase receptor exposure decreased receptor exposure more details/resolution less detail/resolution

Decreased receptor exposure

A term that is often used to describe a particular control, panel, software selection, in medical imaging is Hardware Algorithm Histogram Modem

Algorithm

The legal doctrine res ipsa loquitur relates to which of the following? Let the master answer The thing speaks for itself A thing or a matter settled by justice Manor settled by precedent

The thing speaks for itself

What should be done to correct for magnification when using air-gap technique? Decrees OID Increase OID Decrease SID Increase SID

Increase SID

In the AP projection of an aesthetic patient asthenic patient whose knee measures less than 19 cm from the anterosuperior iliac spine (ASIS) to tabletop, the CR should be directed Perpendicularly 5° medially 5° Cephalad 5° caudad

5° caudad

Which of the following statements is (R) true regarding figure below? Poor centering is evident Hi Contrast is demonstrated Inadequate penetration is evident 1 only 1 and 2 only 2 and 3 only 1, 2, and 3

2 and 3 only

The x-ray image seen on the computer display monitor is a (an) Analog image Digital image Phosphor image Emulsion image

Analog image

Which of the following effects(s) both the quantity and quality of the primary beam? Half value layer (HVL) Kilovoltage Milliamperage 1 only 2 only 1 and 2 only 1, 2, and 3

1 and 2 only

Which of the following groups of organs/structures are located in the left upper quadrant? Left kidney, left suprarenal gland, and gastric fundus Left suprarenal gland, pylorus, and the duodenal bulb Hepatic flexure, cecum, and pancreas Gastric fundus, liver, and cecum

Left kidney, left suprarenal gland, and gastric fundus

For which of the following can a radiographer be found liable for a negligent tort? Radiographer images the wrong forearm Patient is injured while being positioned on the x-ray table Radiographer fails to question patient about possible pregnancy before performing x-ray examination 1 only 1 in 2 only 2 and 3 only 1, 2, and 3

1, 2, and 3

TEST PREP A-10 Flashcards

(100 cards)