Radiographic Positioning and Procedures Exam Answer Key - 1670 Verified Questions

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Radiographic Positioning and Procedures

Exam Answer Key

Course Introduction

Radiographic Positioning and Procedures is a fundamental course designed to equip students with the essential knowledge and practical skills needed to accurately position patients for a variety of radiographic examinations. The course covers standard positioning protocols for imaging different anatomical regions, such as the chest, abdomen, spine, and extremities, while emphasizing patient care, safety, and communication. Students learn to select appropriate equipment, adjust technical factors, and apply radiation protection principles to obtain high-quality diagnostic images. Laboratory sessions provide hands-on experience with positioning techniques and image critique, preparing students for clinical practice in diagnostic radiography settings.

Recommended Textbook

merrills atlas of radiographic positioning and procedures 13th edition 3 volume set by bruce long

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Chapter 1: Preliminary Steps in Radiography

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Q1) In screen-film radiography, which term is defined as the degree of blackening?

A) Optical density

B) Contrast

C) Recorded detail

D) Distortion

Answer: A

Q2) The total destruction of microorganisms is accomplished through the use of:

A) disinfectants.

B) sterilization.

C) germicides.

D) antiseptics.

Answer: B

Q3) Gonad shielding is required when the gonads lie within ____ cm of the primary x-ray field.

A) 3

B) 5

C) 6

D) 8

Answer: B

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Page 3

Chapter 2: Compensating Filters

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Q1) Which of the following would be considered advantages in using anatomic compensating filters?

1)Reduces radiation exposure to the patient

2)Provides an even image density

3)Increases image contrast and detail

A) 1 and 2

B) 2 and 3

C) 1 and 3

D) 1, 2, and 3

Answer: A

Q2) The Boomerang filter would provide an even image density for which body area?

A) Hip

B) Chest

C) Shoulder

D) C7-T1 region

Answer: C

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Chapter 3: General Anatomy and Radiographic Positioning

Terminology

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Q1) After birth, a separate bone begins to develop at the ends of long bones. Each end is called the:

A) diaphysis.

B) epiphysis.

C) epiphyseal line.

D) epiphyseal plate.

Answer: B

Q2) Turning the forearm so that the palm of the hand is up is termed:

A) pronation.

B) supination.

C) abduction.

D) adduction.

Answer: B

Q3) Which of the following terms refers to the covering of an organ?

A) External

B) Internal

C) Visceral

D) Parietal

Answer: C

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Chapter 4: Upper Limb

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Q1) Flexing the fingers for a PA projection of the wrist causes which of the following?

A) Placement of the carpal bones farther from the IR

B) Placement of the carpal bones closer to the IR

C) Less pain for the patient when the wrist is broken

D) Greater resolution of the carpal interspaces

Q2) Which of the following methods is used when the arm cannot be abducted for the standard AP or lateral projection of the humerus?

A) Stecher

B) Lawrence

C) Norgaard

D) Gaynor-Hart

Q3) For the lateral projection of the elbow, the elbow joint should be flexed _____ degrees.

A) 25

B) 45

C) 75

D) 90

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Chapter 5: Shoulder Girdle

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Q1) The greater tubercle will be partially superimposed over the humeral head on which of the following projections and positions?

A) AP, external rotation

B) AP, neutral rotation

C) AP, internal rotation

D) PA oblique, scapular Y

Q2) To obtain a more uniform image density, the respiration phase for the AP projection of the clavicle should be:

A) inspiration.

B) expiration.

C) shallow breathing.

D) suspended respiration.

Q3) When the Fisk modification is used for the tangential projection of the intertubercular groove, the patient is:

A) prone.

B) supine.

C) sitting.

D) standing.

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Chapter 6: Lower Limb

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Q1) Where will the fibula be located on a properly positioned lateral radiograph of the ankle?

A) Directly over the tibia

B) Behind the tibia

C) Over the anterior half of the tibia

D) Over the posterior half of the tibia

Q2) Where is the central ray directed for the tangential projection (Settegast method) of the patella?

A) Through the patellofemoral joint space

B) To the anterior aspect of the patella

C) At the level of the femoral condyles

D) To the apex of the patella

Q3) How many phalanges are in the great toe?

A) None

B) One

C) Two

D) Three

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Chapter 7: Pelvis and Upper Femora

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Q1) Which of the following will be shown "in profile" if the lower limbs are in correct position for an AP pelvis?

A) Lesser trochanters

B) Greater trochanters

C) Anterior superior iliac spines

D) Anterior inferior iliac spines

Q2) How much should the thighs be abducted for the AP oblique projection of the femoral necks (modified Cleaves method)?

A) 10 degrees

B) 20 degrees

C) 30 degrees

D) 45 degrees

Q3) A malformation of the acetabulum causing displacement of the femoral head is known as:

A) osteopetrosis.

B) Paget's disease.

C) congenital hip dysplasia.

D) Legg-Calvé-Perthes disease.

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Chapter 8: Vertebral Column

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Q1) The articulations between the articular processes of the vertebral arches are called the _____ joints.

A) costovertebral

B) costotransverse

C) intervertebral

D) zygapophyseal

Q2) The first cervical vertebra is called the: A) axis.

B) atlas.

C) dens.

D) vertebra prominens.

Q3) The angle of the articulation between the sacrum and the ilia (the sacroiliac joints) is _____ degrees.

A) 10 to 15

B) 15 to 20

C) 25 to 30

D) 45 to 50

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Chapter 9: Bony Thorax

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Q1) Which ribs are called the true ribs?

A) 1 to 7

B) 1 to 10

C) 8 to 12

D) 11 and 12

Q2) Which ribs are called the false ribs?

A) 1 to 7

B) 1 to 10

C) 8 to 12

D) 11 and 12

Q3) Which ribs are demonstrated on an AP oblique projection?

A) Upper ribs only

B) Lower ribs only

C) Side farthest from the IR

D) Side closest to the IR

Q4) The space between each of the ribs is called the:

A) costal cartilage.

B) intercostal spaces.

C) costovertebral joints.

D) costotransverse joints.

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Chapter 10: Thoracic Viscera

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Sample Questions

Q1) What is the optimal respiration phase for a PA or lateral chest radiograph?

A) Full inspiration-first breath

B) Full expiration-first breath

C) Full inspiration-second breath

D) Full expiration-second breath

Q2) The smallest subdivision of the bronchial tree is the _____ bronchial.

A) terminal

B) tertiary

C) secondary

D) primary

Q3) The part of the lung that extends above the clavicle is termed the:

A) apex.

B) base.

C) hilum.

D) lingula.

Q4) Oxygen and carbon dioxide are exchanged by diffusion within the: A) alveoli.

B) alveolar duct.

C) bronchioles.

D) terminal bronchioles.

Page 12

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Chapter 11: Long Bone Measurement

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Q1) Which landmark is used to localize the shoulder joint for upper limb long bone measurement?

A) Superior margin of the humeral head

B) Medial margin of the glenoid fossa

C) 1 inch inferior to the coracoid process

D) 2 inches inferior and medial to the superolateral border of the shoulder

Q2) What projection is used for long bone measurement radiographs?

A) PA

B) AP

C) Lateral

D) Variable depending on body habitus

Q3) All of the following imaging modalities may be used to measure for limb length discrepancy except:

A) microdose digital radiography.

B) nuclear medicine.

C) computed tomography.

D) magnetic resonance imaging.

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Chapter 12: Contrast Arthrography

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Q1) Which of the following is administered during arthrography before the injection of contrast?

A) Conscious sedation

B) Sterile saline

C) Local anesthetic

D) General anesthetic

Q2) The radiography examination in which a contrast medium is introduced into a joint space and radiographs are made of the joint is called:

A) arthrosis.

B) arthrography.

C) arthrogenesis.

D) arthroendoscopy.

Q3) Which of the following imaging modalities has not reduced the use of contrast arthrography?

A) Ultrasound

B) Computed tomography

C) Magnetic resonance imaging

D) Nuclear medicine

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14

Chapter 13: Trauma Radiography

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Q1) Which imaging modality is often used to evaluate trauma to the abdomen?

A) CT

B) MRI

C) NM

D) Sonography

Q2) Which imaging modality has replaced conventional trauma skull radiography in most Level I trauma centers?

A) CT

B) MRI

C) Nuclear medicine

D) Angiography

Q3) Which of the following procedures are appropriate for trauma patients?

1)Remove immobilization devices that may cause imaging artifacts.

2)Move tube and IR, instead of injured part, when possible.

3)Perform all AP projections, then all lateral projections.

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

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Page 15

Chapter 14: Mouth and Salivary Glands

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Q1) Which of the following is not one of the salivary glands?

A) Tonsil

B) Parotid

C) Sublingual

D) Submandibular

Q2) The salivary glands produce how much saliva each day?

A) 0.25 L

B) 0.50 L

C) 1 L

D) 1.5 L

Q3) Which salivary glands are the largest?

A) Parotid

B) Submandibular

C) Sublingual

D) Submandibular and sublingual are equal in size.

Q4) Which salivary gland is located on the floor of the mouth?

A) Parotid

B) Submandibular

C) Sublingual

D) Submandibular and sublingual

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Chapter 15: Anterior Part of Neck

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Q1) The roof of the posterior wall of the nasopharynx contains a mass of lymphoid tissue known as the:

A) thymus gland.

B) thyroid gland.

C) pharyngeal tonsil.

D) epiglottis.

Q2) Which of the following lies in the anterior neck?

1)Thyroid gland

2)Parathyroid glands

3)Thymus gland

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

Q3) All of the following are techniques used during radiographic examination of the pharyngolaryngeal structures except:

A) swallowing.

B) phonation.

C) sneezing.

D) breathing.

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Chapter 16: Abdomen

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Q1) A properly exposed abdominal image will exhibit the: 1)psoas muscles.

2)lower border of the liver.

3)transverse processes of the lumbar vertebrae.

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

Q2) The inner portion of the sac that covers the abdominal organs is termed the:

A) parietal peritoneum.

B) visceral peritoneum.

C) parietal pleura.

D) visceral pleura.

Q3) The serous membrane that lines the abdominopelvic walls is called the: A) peritoneum.

B) mesentery.

C) omentum.

D) peritoneal cavity.

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18

Chapter 17: Digestive System: Alimentary Canal

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Q1) How far above the anus is the enema bag placed during a barium enema?

A) 12 inches

B) 18 to 24 inches

C) 24 to 36 inches

D) 4 feet

Q2) The first small intestine image is taken how many minutes after the patient drinks barium?

A) 5 minutes

B) 10 minutes

C) 15 minutes

D) 30 minutes

Q3) Which projection of the colon best demonstrates the lateral aspect of the ascending colon and the medial aspect of the descending colon, when the colon is inflated with air?

A) AP oblique, RPO

B) AP oblique, LPO

C) AP, right lateral decubitus

D) AP, left lateral decubitus

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Chapter 18: Urinary System and Venipuncture

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Q1) Within how many minutes does contrast medium appear in the pelvicalyceal system?

A) 2

B) 5

C) 8

D) 2 to 8

Q2) A severe reaction to a medication or contrast medium would be:

A) itching.

B) sneezing.

C) vomiting.

D) anaphylactic reaction.

Q3) Which position may be helpful to demonstrate the lower ureters?

A) Fowler's 10 degrees

B) Fowler's 15 to 20 degrees

C) Trendelenburg's 10 degrees

D) Trendelenburg's 15 to 20 degrees

Q4) The mucosal folds on the inside of the urinary bladder are called:

A) serosa.

B) omenta.

C) rugae.

D) pleura.

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Chapter 19: Reproductive System

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Q1) The condition of an undescended testis is termed:

A) ectopic testicle.

B) cryptorchidism.

C) testicular torsion.

D) cryptoscrotalism.

Q2) Which of the following is a type of temporary intrauterine contraceptive device (IUD)?

A) Essure

B) ParaGard

C) Insure

D) CerviGard

Q3) Which examination is performed 3 months after insertion of an IUD to determine effective uterine tube occlusion?

A) Hysterosalpingogram

B) Pelvic pneumography

C) Vaginography

D) Pelvic sonogram

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Chapter 20: Skull, Facial Bones, and Paranasal Sinuses

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Q1) Which of the following is true regarding the placement of the image receptor for an AP axial (Towne) projection of the skull?

1)Its upper margin is at the level of the top of the cranium.

2)Its upper margin is 2 inches above the top of the cranium.

3)Its upper margin is 2 inches below the top of the cranium.

A) 1 only

B) 2 only

C) 3 only

D) 1, 2, and 3

Q2) Which facial bones are clearly demonstrated on the parietoacanthial projection (Waters method)?

1)Orbits

2)Maxillae

3)Zygomatic arches

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

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Chapter 21: Mammography

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Q1) Which of the following is the essential lateral projection of the breast?

A) 90 degrees lateromedial

B) 90 degrees mediolateral

C) 75 to 90 degrees lateromedial

D) 75 to 90 degrees mediolateral

Q2) The common kVp used in mammography is:

A) 20.

B) 25.

C) 28.

D) 30.

Q3) For which projections of the breast would minimal compression be used?

A) All postsurgery projections

B) All magnification projections

C) CC and MLO with displaced implant

D) CC and MLO with full implant

Q4) The overall most common cause of death in women is:

A) breast cancer.

B) lung cancer.

C) ovarian cancer.

D) auto accidents.

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Chapter 22: Central Nervous System

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Q1) Which interventional procedure uses a balloon catheter to expand a compressed vertebral body to near its original height before injection of the bone cement?

A) Myelography

B) Vertebroplasty

C) Kyphoplasty

D) Discography

Q2) Where is the contrast medium injected for a myelogram?

A) Brachial vein

B) Femoral artery

C) L1-L2 interspace

D) L2-L3 or L3-L4 interspace

Q3) What is the imaging method of choice in diagnosing multiple sclerosis?

A) CR

B) CT

C) MRI

D) DSR

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Chapter 23: Vascular, Cardiac, and Interventional Radiography

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Q1) The computerized technique by which bone structures are removed from an image of bone and opacified vessels, leaving an unobscured image of the vessels, is termed:

A) digital subtraction angiography.

B) magnetic resonance imaging.

C) percutaneous transluminal angioplasty.

D) computed radiography (CR).

Q2) Blood is supplied to the myocardium by the:

A) atria.

B) right ventricle.

C) left ventricle.

D) coronary arteries.

Q3) The most widely used method of catheterization for selective angiography is known as the _____ method.

A) Amplatz

B) Stecher

C) modified Seldinger

D) Schüller

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Chapter 24: Pediatric Imaging

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Q1) Common reasons for performing skull radiography on a pediatric patient are:

A) craniosynostosis and fracture.

B) sinusitis and fracture.

C) craniosynostosis and meningomyelocele.

D) meningomyelocele and sinusitis.

Q2) Idiopathic scoliosis is most common in:

A) male infants.

B) adolescent females.

C) male toddlers.

D) utero, between 3 to 6 weeks' gestation.

Q3) Which of the following are common pediatric fractures?

1)Salter-Harris

2)Plastic

3)Supracondylar

A) 1 and 2 only

B) 1 and 3 only

C) 2 and 3 only

D) 1, 2, and 3

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Chapter 25: Geriatric Radiography

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Q1) The aging experience is individual and is affected by:

1)attitude.

2)lifestyle choices.

3)heredity.

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

Q2) A common cause of death in patients with Alzheimer's is:

A) hemorrhagic stroke.

B) myocardial infarction.

C) elder abuse.

D) pneumonia.

Q3) What system accounts for almost 50% of disability in patients older than age 65?

A) Cardiovascular

B) Gastrointestinal

C) Musculoskeletal

D) Nervous

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Chapter 26: Mobile Radiography

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Q1) During mobile radiography, the radiographer ideally should be standing at what degree of angle from the primary beam?

A) 0 degrees

B) 45 degrees

C) 90 degrees

D) 45 to 90 degrees

Q2) Mobile radiographic units can have direct digital capability with wired to the unit or wireless.

A)True

B)False

Q3) During mobile radiography, shielding should be used on: 1)children.

2)exams in which the gonads are near the primary beam.

3)patients of reproductive age.

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

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Chapter 27: Surgical Radiography

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Q1) Which of the following surgical procedures require the C-arm to be positioned between the patient's legs?

A) Tibia nailing

B) Operative cholangiography

C) Hip pinning

D) Antegrade femoral nailing

Q2) Institution-approved attire worn in the OR:

A) can be worn over 2 days.

B) should be fresh for each shift.

C) can be used regardless of condition.

D) is not necessary in the semirestricted areas.

Q3) When positioning the IR under the OR table, the radiographer should:

A) lift the drapes up high to keep them away from the IR.

B) not lift the drapes above table level to avoid the sterile field.

C) squat down to place the IR below the table.

D) give the IR to a sterile team member to place.

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Chapter 29: Computed Tomography

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Q1) The most significant geometric factor that contributes to spatial resolution is:

A) detector aperture width.

B) FOV.

C) slice thickness.

D) x-ray beam energy.

Q2) The most common reporting method of dose reporting on the present scanners is:

A) Multiple Scan Average Dose (MSAD).

B) Computed Tomography Dose Index (CTDI).

C) Dose-length product (DLP).

D) Computed Tomography Dose Index Volume (CTDIvol).

Q3) The advantages of multislice helical CT (MSHCT) include:

1)multiphase studies.

2)isotropic viewing.

3)longer anatomic coverage.

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, and 3

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Chapter 30: Magnetic Resonance Imaging

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Q1) The MRI signal is generated in the receiving antenna by:

A) Lenz's law of induction.

B) a silicon detector.

C) Newton's first law of motion.

D) Faraday's law of induction.

Q2) The rates of relaxation (T1 and T2) of a hydrogen nucleus depend on the:

A) resonant frequency.

B) chemical environment.

C) electron density.

D) signal intensity.

Q3) Strong MRI signals are represented by _____ in the image.

A) black

B) light gray

C) white

D) dark gray

Q4) Spin-spin relaxation (T2) is the release of energy by excited nuclei:

A) as a result of interaction among themselves.

B) to their general environment.

C) according to their precessional frequency.

D) in relation to their resonant frequency.

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Chapter 31: Diagnostic Ultrasound

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Q1) The echo pattern of a cyst can be referred to as:

A) echogenic.

B) anechoic.

C) hyperechoic.

D) hypoechoic.

Q2) A normal liver scan should have a _____ echo pattern.

A) hyperechoic

B) hypoechoic

C) homogeneous

D) heterogeneous

Q3) The frequency for diagnostic ultrasound is in the range of:

A) 2 to 320 Hz.

B) 20 to 20,000 Hz.

C) 100,000 Hz to 1 MHz.

D) 1 to 10 MHz.

Q4) The exam to evaluate for deep vein thrombosis and venous insufficiency is:

A) duplex sonography.

B) endovaginal.

C) transabdominal.

D) volume scanning.

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Chapter 32: Nuclear Medicine

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Q1) The most common radionuclide used in nuclear medicine is:

A) technetium (99mTc).

B) iodine (123I).

C) thallium (201Tl).

D) xenon (133Xe).

Q2) The crystal used in gamma cameras is made of:

A) sodium iodide.

B) cesium-activated iodide.

C) thallium-activated sodium iodide.

D) lithium fluoride.

Q3) Scintillation detectors or gamma cameras use crystals that change:

A) x-rays into electrons.

B) radioactive emissions into light photons.

C) radioactive emissions into electrons.

D) radioactive emissions into electrical pulses.

Q4) The most common device used to produce nuclides for PET scanning is the:

A) high-frequency generator.

B) compact medical cyclotron.

C) linear accelerator.

D) pulse height analyzer.

33

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Chapter 33: Bone Densitometry

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18 Verified Questions

18 Flashcards

Source URL: https://quizplus.com/quiz/24127

Sample Questions

Q1) DXA calculations are based on:

A) body position and bone density.

B) bone density only.

C) soft tissue only.

D) soft tissue and bone.

Q2) Which of the following is not a risk factor for osteoporosis?

A) Daily physical activity

B) Alcohol consumption

C) Low body weight

D) Low calcium intake

Q3) A BMD measurement from a patient is most useful when it can be compared statistically to:

A) the same patient age population.

B) a population living in the same area.

C) multiple scans on the same patient.

D) an appropriate sex-matched reference population.

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Page 34

Chapter 34: Radiation Oncology

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20 Verified Questions

20 Flashcards

Source URL: https://quizplus.com/quiz/24128

Sample Questions

Q1) One way to treat cancer but minimize the toxic effects of radiation is to use:

A) fractionation.

B) differentiation.

C) palliation.

D) conformal radiation.

Q2) Cancer can spread or metastasize by invading:

A) adjacent tissue.

B) normal tissue.

C) blood vessels.

D) anywhere close.

Q3) The basic principle of cancer treatment with radiation is that radiation:

A) stimulates cancer cells to grow.

B) damages cancer cells but stimulates normal cells.

C) damages cancer cells and normal cells equally.

D) usually damages cancer cells more than normal cells.

Q4) Intensity-modulated radiation therapy (IMRT) uses:

A) radioactive isotopes.

B) multileaf collimators.

C) cerrobend blocks.

D) permanent implants.

Page 35

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