Exam 8

The Bucky slot cover is required to have a lead equivalent thickness of: 0.25 mm. 0.50 mm. 0.75 mm. 1.00 mm.

0.25 mm.

The recommended minimum lead equivalency for the protective drapes that are used on fluoroscopic units is: 1 mm. 0.5 mm. 0.25 mm. 0.1 mm.

0.25 mm.

The minimum lead equivalent for lead aprons used during fluoroscopy is: 0.25 mm. 0.50 mm. 0.75 mm. 1 mm.

0.50 mm.

Important patient factors to consider when administering barium sulfate include: 1. colon perforation. 2. decreased ability to communicate. 3. increased diarrhea. 1 and 2 1 and 3 2 and 3 1, 2, and 3

1 and 2

The benefit of obtaining a lateral projection of the hand with the anatomy in the true lateral position instead of the fan lateral position is that the true lateral position: 1. is useful for demonstrating metacarpal fracture displacement. 2. allows for foreign body localization. 3.eliminates superimposition of the phalanges. 1 and 2 1 and 3 2 and 3 1, 2, and 3

1 and 2

A shallower target angle creates: 1. a smaller effective focal spot. 2. a smaller actual focal spot. 3. greater recorded detail. 1 and 2 1 and 3 2 and 3 1, 2, and 3

1 and 3 - a shallow target angle creates a large actual focal spot size and small effective focal spot size - recorded detail increases as the effective focal spot size decreases

Which of the following are disadvantages common to both optically stimulated luminescence (OSL) and thermoluminescent dosimeters (TLD)? 1. They do not provide a permanent legal record. 2. They cannot be read daily. 3. Both are highly susceptible to environmental factors. 1 and 2 1 and 3 2 and 3 1, 2, and 3

1, 2, and 3

A radiographer declared her pregnancy 3 months ago. The maximum total equivalent dose that is permitted by regulatory limits for the past 3 months is: 0.5 mSv. 1 mSv. 1.5 mSv. 2 mSv.

1.5 mSv.

For a tangential projection of one zygomatic arch, the midsagittal plane of the head rotates approximately ________ toward the side being examined. 10° 15° 20° 25°

15°

For a PA axial projection of the cranium using the Caldwell method, the central ray should be angled ___ in the caudal direction. 5° 10° 15° 20°

15° - Caldwell method: orbitomeatal line perpendicular to IR; central ray should exit the nasion

Which set of technical factors will produce an image with the LEAST amount of size distortion? A. 10 mAs, 72 kVp, 0.6 focal spot, 4" OID, 36" SID B. 6 mAs, 64 kVp, 0.5 focal spot, 5" OID, 42" SID C. 22 mAs, 81 kVp, 0.8 focal spot, 3" OID, 40" SID D. 18 mAs, 76 kVp, 1.0 focal spot, 2" OID, 38" SID

18 mAs, 76 kVp, 1.0 focal spot, 2" OID, 38" SID - magnification formula is M = SID/SOD. (38" SID - 2" OID = 36" SOD; 38" SID/36" SOD = 1.06)

For an AP axial projection of the sacroiliac joints, the central ray is angled ________ in a ________ direction. A. 10°; caudad B. 15°; cephalad C. 15° to 20°; cephalad D. 30° to 35°; cephalad

30° to 35°; cephalad - places the central ray nearly perpendicular to the obliquity of the sacroiliac joints

An acceptable image is acquired using 500 mA, 0.2 sec, and a 72-inch source-to-image distance (SID). If the SID is changed to 48 inches, ________ mAs will produce a comparable exposure indicator. 45 67 150 225

45 (mAs1 /mAs2 = SID1 2/SID2 2

An SID of ________ inches is recommended for an AP projection of the lumbar spine. 30 40 48 72

48

The National Council on Radiation Protection and Measurements (NCRP) recommends an occupational radiation dose limit to a fetus of _____ during an entire pregnancy. 1 mSv 5 mSv 25 mSv 50 mSv

5 mSv

The fluoroscopic cumulative timing device shall NOT exceed: A. 5 minutes. B. 8 minutes. C. 10 minutes. D. 15 minutes.

5 minutes.

An exposure is made using 72 kVp and 8 mAs on a knee measuring 13 cm. If the knee measures 9 cm, the technique that maintains receptor exposure is ________ kVp and ________mAs. 70; 8 70; 2 72; 4 72; 6

72; 4 - general guideline is to double or halve the mAs for every 4 cm of change in part thickness

The ________ projection of the knee best demonstrates the proximal tibiofibular joint space. A. AP B. AP oblique with medial rotation C. AP oblique with lateral rotation D. lateral

AP oblique with medial rotation

Which of the following foot projections would demonstrate the cuboid with the LEAST amount of superimposition? A. lateral B. AP C. AP oblique with lateral rotation D. AP oblique with medial rotation

AP oblique with medial rotation

Which of the following examinations will result in the lowest gonadal exposure to the patient? A. AP thoracic spine B. PA lumbar spine C. AP sacrum D. PA sacroiliac joints

AP thoracic spine

________ BEST measures the threshold occurrence of deterministic effects. A. Absorbed dose B. Equivalent dose C. Effective dose D. Exposure

Absorbed dose - deterministic biological effects appear after a large dose of radiation in a specific amount - absorbed dose is used to measure large amounts of radiation deposited into tissue

________ precautions should be applied if the patient is known to be infected with a pathogen such as tuberculosis. Contact Droplet Airborne Standard

Airborne

Which of the following statements concerning characteristic radiation is FALSE? A. Characteristic radiation has discrete energies. B. Characteristic radiation is produced at 70 kVp or higher. C. Characteristic radiation occurs when a tungsten k-shell electron is ejected. D. Characteristic radiation's energy is dependent upon electron braking.

Characteristic radiation's energy is dependent upon electron braking - characteristic radiation energy is NOT dependent upon electron braking as it interacts w/ the nuclear force field; this would be true of bremsstrahlung radiation

Which of the following represents the standard that addresses communication of image data? DICOM PACS RIS HIS

DICOM

_________ precautions are designed to prevent the transmission of pathogens such as rubella, mumps and influenza that are spread through contact with the conjunctivae or mucous membranes of the nose or mouth. Contact Standard Droplet Airborne

Droplet

________ is a type of contrast material that appears radiolucent and is considered a negative contrast agent. A. Barium sulfate B. Gas or air C. Gadolinium D. Water-soluble iodine contrast media

Gas or air

A radiographer acquires a knee radiograph using 200 mA; 0.10 sec; 80 kVp; 40-inch source-to-image distance (SID); and 12:1 grid. Which of the following would have the greatest effect on spatial resolution? A. increasing the kVp to 85 B. using an 8:1 grid C. increasing the SID to 60 inches D. using 0.05 seconds exposure time

Increasing the SID to 60 inches - the increase in SID will increase spatial resolution

A whole-body exposure of 4 Gy is lethal to half a population within 30 days of exposure. This concept is termed: A. acute radiation lethality. B. relative biological effectiveness (RBE). C. mean survival time. D. LD 50/30.

LD 50/30.

Which of the following statements is TRUE regarding multifield image intensifiers? A. Minification gain is greatest when using the smallest field. B. Patient dose is highest when using a smaller area of the input phosphor. C. Brightness gain decreases when a larger area of the input phosphor is used. D. Input phosphor size remains constant and output phosphor size varies.

Patient dose is highest when using a smaller area of the input phosphor - patient dose increases in magnification mode; a smaller area of the input phosphor is used

The artifact that occurs when an electromagnetic field is near the intensifier is: A. S-shaped distortion. B. pincushion distortion. C. vignetting. D. noise.

S-shaped distortion - when an electromagnetic field is placed near the intensifier, the electrons within it are pulled from a linear trajectory to form an "S" shape on the output phosphor; the result is an "S" shaped distorted image when displayed

Increased quantum mottle results in a decrease in: A. Spatial resolution. B. Scatter radiation production. C. Signal-to-noise ratio. D. Occupational exposure.

Signal-to-noise ratio

Which of the following statements is TRUE about 14 Fr Foley urinary catheters? A. The inner diameter is smaller than a 12 Fr Foley catheter. B. The 14 Fr Foley catheter has a retention balloon on the end. C. The 14 Fr Foley catheter is considered a straight type of catheter. D. The 14 Fr Foley catheter is used in female patient catheterization only.

The 14 Fr Foley catheter has a retention balloon on the end.

Which of the following is FALSE regarding a patient's health record? A. The health record is a legal document that is admissible as evidence in court. B. The Joint Commission requires that all health records be stored electronically if created after 2010. C. Health records contain consent and authorization forms. D. A basic, longstanding principle of health record documentation is "not documented, not done."

The Joint Commission requires that all health records be stored electronically if created after 2010.

The total aluminum equivalent filtration for an x-ray unit operating at 50 to 70 kVp is: 0.5 mm. 1.00 mm. 1.5 mm. 2.5 mm.

The total aluminum equivalent filtration for an x-ray unit operating at 50 to 70 kVp is: 0.5 mm. 1.00 mm. 1.5 mm. 2.5 mm.

Which of the following statements is FALSE regarding secondary protective barriers? A. The barriers should be at least 7 feet high. B. They should be placed perpendicular to the primary beam. C. Secondary barriers are exposed to scatter radiation. D. The barriers protect from leakage radiation.

They should be placed perpendicular to the primary beam - secondary barriers are parallel to the direction of the primary beam - primary barriers are perpendicular to the primary beam

Which of the following should NOT be included in the document used for examinations that require informed consent? A. an understanding clause stating that all information contained in the consent has been carefully explained B. an authorization clause stating that the physician or health care professional can perform the examination C. a disclosure clause to explain the risks and benefits of the examination D. a clause that allows nonmedical personnel to observe the procedure regardless of patient approval if approved by the hospital administration

a clause that allows nonmedical personnel to observe the procedure regardless of patient approval if approved by the hospital administration

Technologists should use __________ projection when imaging the sesamoid bones of the foot. A. an axial B. a tangential C. a lateral D. an AP oblique

a tangential

A defibrillator: A. attaches to an endotracheal tube to deliver oxygen at a specific rate and concentration. B. administers an electric shock to correct for dysrhythmias and ventricular fibrillation. C. attaches to the patient's finger to measure oxygen saturation in the blood. D. measures pulmonary wedge pressure.

administers an electric shock to correct for dysrhythmias and ventricular fibrillation.

The variation in x-ray tube output along the long axis of the tube is best described by the: A. inverse square law. B. anode heel effect. C. line focus principle. D. Nyquist theorem.

anode heel effect - the anode heel effect describes the effect of anode construction that results in a greater beam intensity on the cathode end of the x-ray tube compared with the intensity on the anode end of the x-ray tube

The lower pole of the kidney is more ________ than the upper pole of the kidney. superior lateral anterior posterior

anterior - a sagittal slice of the abdomen demonstrates that the superior portion, or upper pole of the kidney, is situated more posterior than the inferior portion, or lower pole of the kidney

When imaging the proximal femur, the top of the image receptor is placed at the level of the: A. iliac crest. B. greater trochanter. C. anterior superior iliac spine. D. anterior inferior iliac spine.

anterior superior iliac spine

In the image below, the red arrow points to the: A. aortic knob. B. main pulmonary artery. C. left ventricle. D. right atrium

aortic knob

For an AP projection of the thoracic spine with the patient in the supine position, the radiographer should place no pillow or a thin pillow under the patient's head to: A. avoid accentuating the lordotic curve. B. avoid accentuating the kyphotic curve. C. reduce anterior convexity of the curve. D. reduce the severity of scoliosis.

avoid accentuating the kyphotic curve.

Which of the following is a radiation safety mechanism? A. exposure density control B. backup timer C. analog-to-digital converter (ADC) D. compensating filter

backup timer

The ________ vein is MOST pronounced and superficial on the radial side of the dorsal aspect of the wrist when a tourniquet is applied. A. median cubital B. ulnar C. radial D. cephalic

cephalic

The inferior and posterior portion of the calcaneus to which the Achilles tendon attaches is named the: A. calcaneal tuberosity B. sustentaculum tali C. trochlea D. calcaneal sulcus

calcaneal tuberosity - the tuberosity is a knob-shaped, roughened surface that the Achilles, or calcaneal, tendon attaches to

A 69-year-old man who was taken to the emergency department with cognitive changes and abdominal pain has become combative and is in the radiology department for an acute abdomen series. As the technologist is getting the patient ready for the examination, the patient begins speaking incoherently and flailing his hands and arms. In this situation, the technologist should: A. use a length of gauze wrap to tie the patient's hands to the stretcher. B. try to time the exposure so that the patient's hands or arms are not over his abdomen. C. call the emergency department to request that restraints be put on the patient. D. have another radiographer hold the patient's arms down during the exposure.

call the emergency department to request that restraints be put on the patient.

All of the following are components of an image intensifier EXCEPT FOR the: A. input phosphor. B. anode. C. capacitor. D. photocathode.

capacitor - capacitors are NOT components of an image intensifier - the input phosphor converts x-rays to light; the photocathode converts light to electrons and the anode accelerates the electrons toward the output phosphor

What structures create the carpal tunnel? A. carpal bridge and flexor retinaculum B. carpal bridge and extensor retinaculum C.carpal sulcus and flexor retinaculum D. carpal sulcus and extensor retinaculum

carpal sulcus and flexor retinaculum

To obtain a more uniform density on an AP projection of the thoracic spine, the technologist should place the patient so that the lower and thicker portion of the thorax is under the ________ to take advantage of the ________. A. anode; anode heel effect B. cathode; anode heel effect C. anode; air gap technique D. cathode; space charge effect

cathode; anode heel effect

The postvoid image is acquired as part of the excretory urogram to: A. demonstrate the pelvicaliceal system. B. demonstrate the urethra. C. check for residual contrast and urine, which might indicate prostate enlargement or small tumors. D. check for residual contrast medium and urine in the proximal ureters, which might indicate hyperfiltration of the kidneys.

check for residual contrast and urine, which might indicate prostate enlargement or small tumors.

Before beginning an intravenous urogram, the radiographer should do all of the following EXCEPT: A. ensure that there is a radiologist in the department during the procedure. B. know where the emergency/crash cart is located. C. know where oxygen and suction devices are located. D. check the patient's PT and PTT laboratory results.

check the patient's PT and PTT laboratory results.

Select the curve in the graph that represents the highest surviving fraction per unit measure of dose, and the linear energy transfer (LET) of radiation that best corresponds to the selected curve. A. curve A; high LET B. curve A; low LET C. curve B; high LET D. curve B; low LET

curve B; low LET

The ________ is the rate meter device used for area surveys. A. proportional counter B. cutie pie C. Geiger-Muller counter D. scintillation detector

cutie pie

Increasing the kVp by 15% has the same effect on receptor exposure as ________ the milliampere- seconds (mAs). halving doubling quartering quadrupling

doubling

A 4-year-old girl has injured her right ankle on the playground at her preschool. She seems apprehensive and about to cry as she enters the room. An effective method of communication with a patient this young is to: A. take control of the situation as soon as possible and let the patient know the radiographer is in charge. B. encourage cooperation by allowing the patient to make a few simple decisions such as whether to get onto the table alone or with assistance. C. explain how using x-ray radiation can make the image show up on film or a monitor. D. use medical terminology when instructing the patient so she will have confidence in the radiographer as a medical professional.

encourage cooperation by allowing the patient to make a few simple decisions such as whether to get onto the table alone or with assistance

What is the MOST likely cause of "halo" appearance around the structures in the image below? A. excessive edge enhancement B. increased Compton interactions C. insufficient beam restriction D. decreased ambient lighting

excessive edge enhancement

The output phosphor and charge-coupled device (CCD) are coupled using: A. fiber-optic cables or optical lenses. B. tube current. C. electrically conductive material. D. liquid crystal display (LCD) or plasma monitors.

fiber-optic cables or optical lenses

Which part of the x-ray tube supplies electrons? A. cathode B. focusing cup C. filament D. target

filament

A 29-year-old man from the emergency department is in radiology for a cervical spine series. He is loud, combative, and threatening to "jump up and leave." The technologist should: A. get help before the situation escalates and leave the room if physical violence is threatened. B. orient the patient between the technologist and the door and be ready to call security if the patient flees. C. match his tone and volume to be clearly heard by the patient. D. demonstrate nonverbal cues to communicate to the patient that his behavior is not acceptable.

get help before the situation escalates and leave the room if physical violence is threatened.

On this image of the shoulder, the red arrow points to the: A. clavicle. B. acromion. C. coracoid process. D. greater tubercle

greater tubercle

Differential attenuation of tissue is NOT affected by: A. grid ratio. B. subject contrast. C. technical factors. D. tissue mass density.

grid ratio

A disadvantage to high-frequency generators is: A. higher patient dose. B. longer exposure time. C. higher heat units. D. higher voltage ripple.

higher heat units.

On this image of the humerus, the red arrow points to the: A. medial epicondyle. B. lateral epicondyle. C. humeral body. D. greater tubercle.

humeral body.

Image brightness is controlled by which of the following? A. ambient light B. the display monitor C. mAs D. kVp

the display monitor

A dose of 1000 Gy in a period of seconds or minutes will lead to ________ of the cell. A. instant death B. apoptosis C. chromosome aberrations D. mitotic delay

instant death

The number of x-ray interactions at the anode is decreased when: A. source-to-image distance (SID) increases. B. focal spot size decreases. C. mAs increases. D. kVp decreases.

kVp decreases - as kVp decreases, x-ray production efficiency decreases (fewer interactions occur)

An increase in mAs might be necessary to maintain receptor exposure when: A. kVp is decreased. B. filament size is decreased. C. filtration is decreased. D. part density is decreased.

kVp is decreased - as kVp is decreased, the mAs is increased to maintain receptor exposure; this is because kVp has an effect on x-ray quantity - the filament size does not affect receptor exposure - as filtration and part density decrease, mAs would need to decrease

The term nephroptosis means: A. kidney prolapse. B. distention of the renal pelvis and minor and major calyces with urine. C. inflammation of the nephron units. D. kidney stones.

kidney prolapse - distention of the renal pelvis & minor & major calyces w/urine: hydronephrosis - inflam of nephron units: glomerulonephritis - kidney stones: renal calculi

When performing a lateral projection of the fourth toe, the radiographer places the foot so that the ________ surface is touching the image receptor. medial lateral plantar dorsal

lateral

When evaluating the sternum, which 2 projections are standard? A. lateral and PA oblique—LAO position B. lateral and PA oblique—RAO position C. lateral and AP oblique—RPO position D. lateral and AP oblique—LPO position

lateral and PA oblique—RAO position

Anterior oblique radiographs of the chest can show the lungs. When the patient is in a 45° right anterior oblique (RAO) position, what anatomy is seen best on the images? A. right lung field B. left lung field C. both lungs of equal display D. neither lung

left lung field - when the patient is in a 45° RAO position, the left lung field (further from the image receptor) is demonstrated - the anterior part of the right lung is superimposed by the spine

When a patient is ambulatory and capable of standing safely, it is preferred to obtain a ________ lateral projection of the chest at the upright receptor with a ________ source-to-image distance (SID). A. left; 40-inch B. right; 40-inch C. left; 72-inch D. right; 72-inch

left; 72-inch

The visual difference between shades of gray in the image might be lost if: A. matrix size increases. B. pixel density decreases. C. luminescence is inadequate. D. viewing angle is perpendicular to monitor.

luminescence is inadequate - display luminance must be adequate for radiologists to discern a difference b/w all possible shades of gray created by the monitor - the number of possible gray shades depends on the bit depth of the system

The medical term for urination is: micturition. deglutition. mastication. defecation.

micturition

The ________ passes through the foramen spinosum, which is part of the ________ bone. A. middle meningeal artery; sphenoid B. internal carotid artery; sphenoid C. middle meningeal artery; ethmoid D. internal carotid artery; ethmoid

middle meningeal artery; sphenoid

The brightness of a given area on the digital image is represented by the: A. numerical value of a pixel. B. numerical value of a voxel. C. sum of the matrix. D. product of the matrix and voxels.

numerical value of a pixel

The concept used in barrier design that describes the amount of time per week a space beyond a barrier has people in it is: A. workload. B. use factor. C. weighting factor. D. occupancy factor.

occupancy factor

For a parietoacanthial projection of the facial bones using the Waters method, ensuring that the ________ line forms a 37° angle with the plane of the image receptor is the extension positioning checkpoint. A. acanthiomeatal (AML) B. infraorbitomeatal (IOML) C. mentomeatal (MML) D. orbitomeatal (OML)

orbitomeatal (OML) - w/ OML in its proper place, the MML is approx. perpendicular to the image receptor

The comparison of the radiation dose required to produce a biologic response without the presence of oxygen and the dose required to cause biologic response with oxygen is known as: A. linear energy transfer (LET). B. relative biological effectiveness (RBE). C. oxygen enhancement ratio (OER). D. modular transfer function (MTF).

oxygen enhancement ratio (OER).

Spatial resolution of a computed radiography/direct radiography (CR/DR) image is predominantly controlled by the: A. matrix size. B. voxel size. C. pixel size. D. Hounsfield unit.

pixel size - spatial resolution of the image is predominately controlled by the pixel size

Acute clinical symptoms that occur within minutes to hours after a dose of 1 Gy occur during the________ period. prodromal latent manifest proliferation

prodromal - prodromal period of acute radiation syndrome occurs wi/in minutes to hours following exposure

The height of the lead strips divided by the distance between the lead strips defines grid: A. ratio. B. focusing distance. C. frequency. D. tolerance.

ratio

Each column of charge in a charge-coupled device (CCD) drops into the: A. readout row. B. thin-film transistor (TFT). C. scintillator. D. capacitor.

readout row

Alignment of the AEC sensor under an anatomical structure that is less dense than the area of interest will result in decreased: A. receptor exposure. B. image contrast. C. magnification. D. photoelectric absorption.

receptor exposure

When cleaning up a chemical spill in the radiology department, a technologist should NOT: A. consult the Safety Data Sheet or Materials Safety Data Sheet for the specific type of chemical. B. use appropriate personal protective equipment when cleaning the chemical spill. C. restock the spilled chemical quickly. D. alert the supervisor and co-workers immediately.

restock the spilled chemical quickly

Lead shielding is designed to protect radiographers from which of the following types of radiation? A. primary B. characteristic C. Bremsstrahlung D. scattered

scattered

When the x-ray photon strikes an atom within the tissue being imaged and loses only part of its energy to an outer shell electron of that atom, the photon is said to have been ________ and undergone a(n) ________ interaction. A. transmitted; coherent effect B. absorbed; photoelectric C. attenuated; pair production D. scattered; Compton

scattered; Compton

Immediately after a contrast injection, a patient begins to have an uncontrollable seizure. The patient is having a ________ physiologic reaction. mild severe moderate extreme

severe

Differences in attenuation by various anatomical tissues results in: A. subject contrast. B. modulation transfer function. C. dynamic range. D. detective quantum efficiency.

subject contrast - for example, bone attenuates primarily by absorption & air allows for more transmission vs attenuation

The proximal tibiofibular joint is classified as a ________________ joint. A. fibrous pivot B. synovial ellipsoid C. fibrous syndesmosis D. synovial gliding

synovial gliding

Assuming a patient can hold the position, a posteroanterior (PA) projection of the chest is preferred over the anteroposterior (AP) projection of the chest because: A. the patient can always take a better inspiration when the PA projection is used. B. the PA projection reduces magnification of the heart because the organ is closer to the receptor. C. the AP projection allows the patient more room to rotate and tilt. D. the clavicles are projected higher and more horizontally in the PA projection.

the PA projection reduces magnification of the heart because the organ is closer to the receptor.

Which of the following metals is added to the tube filament to extend its life? copper thorium rhenium molybdenum

thorium - extend its life by minimizing vaporization - rhenium & molybdenum are used in the anode - copper wiring is used in the induction motor

To maintain exposure to the image receptor in fluoroscopy, when mA is low: A. kVp is high. B. time is high. C. source-to-skin distance (SSD) is decreased. D. object-to-receptor distance is decreased.

time is high - exposure to the image receptor is controlled primarily by mAs - when mA is low, time must be increased to maintain exposure - the mA-time maintenance formula is used to understand the exposure density in radiography & fluoroscopy

On this AP oblique elbow image, the red arrow points to the: A. olecranon process. B. trochlea. C. capitulum. D. ulna.

trochlea

A technologist should communicate with a non-English speaking patient by: A. using hand gestures and drawings. B. speaking as slowly and clearly as possible. C. using a family member who understands at least a small amount of English to explain the procedure to the patient and answer questions. D. using a health care facility's trained interpreter.

using a health care facility's trained interpreter.

The device that measures the potential difference present in a circuit is the: ammeter. voltmeter. ohmmeter. capacitor.

voltmeter

A pixel is a 2-dimensional representation of a: A. photon. B. voxel. C. detector element. D. thin-film transfer (TFT) array.

voxel

The axiolateral projection, or Danelius-Miller method, is used to image the hip: A. when a hip fracture is suspected. B. to provide superior image quality. C. only for nontrauma imaging. D. when bilateral hip fractures are suspected.

when a hip fracture is suspected

According to safe injection practices, a medication label should be checked: A. after selecting the container. B. while drawing up the medication. C. just after administration. D. before discarding the empty container.

while drawing up the medication