St. Catherine's Exam Questions

The lateral border of the clavicle articulates with the: A. Coracoid process B. Coronoid process C. Acromion process D. manubrium E. Manubrial notch

C. Acromion process

Original: 400 mA .05 sec 8:1 grid New: 200 mA ______ sec 5:1 grid A. .05 B. .08 C. .16 D. .32 E. .50

A. .05

Referring back to the original statement, (ignoring the 1st 4 questions in series), which of the following would describe the resultant effect of utilizing a 5:1 grid and increasing the mA to 200? 1. Exposure to IR would not be affected 2. Increased spatial resolution 3. Increased magnification A. 1 B. 2 C. 1 and 2 D. 2 and 3 E. 1, 2, and 3

A. 1

The average respiration rate for an adult is: A. 16-20 breaths/minute B. 25-30 breaths/minute C. 50-60 breaths/minute D. 70-80 breaths/minute

A. 16-20 breaths/minute

The radiation dose to an individual will increase _______ if the time spent in the same position doubles. A. 2 times B. 4 times C. 8 times D. 16 times

A. 2 times

Which of the following would best demonstrate medial displacement of a fracture of the mid shaft of the tibia? A. AP B. Lateral C. Oblique

A. AP

Which of the following types of radiation would possess a mass? A. Alpha B. Gamma C. 1 keV x-rays D. 400 keV x-rays

A. Alpha

________ is NOT a step in helping a patient apply a fresh colostomy bag. A. Cleanse the area with alcohol B. Center the base unit over the stoma C. Separate the inner surfaces of the pouch. D. Press the pouch into place.

A. Cleanse the area with alcohol

If the gauge number of an IV needle is small, it means that the: A. Diameter is larger B. Diameter is smaller C. Length is longer D. Length is longer

A. Diameter is larger

The most sensitive period to radiation during pregnancy is: A. First trimester B. Second trimester C. Third trimester D. Nulliparous period

A. First trimester

Having a patient breathe into a paper bag is used for: A. Hyperventilation B. Emphysema C. Tachycardia D. Cyanosis

A. Hyperventilation

Due to the compensated changes in the 1st question, what would be the resultant effect to spatial resolution? A. Increase B. Decrease C. Remain the same

A. Increase

The greatest challenge with a PACS system is: A. Increased need for digital storage space B. Decrease in patient volumes C. Decrease in image resolution D. Increased data transfer times

A. Increased need for digital storage space

This disease enters and exits the human host via a vector. A. Lyme's disease B. HIV C. Tuberculosis D. Anthrax

A. Lyme's disease

The posterior articulation of the 1st cuneiform of the tarsal bones is with the: A. Navicular B. Cuboid C. Heads of the metatarsals D. Bases of the metatarsals E. Talus

A. Navicular

The ______ absorbs the electrons and emits light photons in the image intensifier. A. Output screen B. Input screen C. Electrostatic D. Anode E. Glass envelope

A. Output screen

The brachiocephalic artery bifurcates to form the: A. Right common carotid and right subclavian arteries B. Right and left common carotid arteries C. Left common carotid and left subclavian arteries D. Right common carotid and right vertebral arteries

A. Right common carotid and right subclavian arteries

The effective focal spot is always _______ than the actual focal spot according to the line focus principle. A. Smaller B. Larger C. Rounder D. Longer

A. Smaller

Which of the following precautions should be applied to all patients regardless of diagnosis and infection status? A. Standard B. Airborne C. Droplet D. Contact

A. Standard

An example of thermionic diode tube would be a(an): A. X-ray tube B. Solid state rectifier C. Transformer D. Autotransformer

A. X-ray tube

Sources of natural radiation include: 1. Cosmic radiation 2. Background radiation 3. Leakage radiation A. 1 only B. 1 and 2 C. 2 and 3 D. 1, 2, and 3

B. 1 and 2

To demonstrate the coccyx with the patient prone, the central ray should be directed: A. Perpendicular to the film B. 10 degrees cephalad C. 20 degrees cephalad D. 10 degrees caudad E. 20 degrees caudad

B. 10 degrees cephalad

Original: 400 mA .20 sec 70 kVp New: _______ mA .20 sec 80 kVp A. 100 B. 200 C. 300 D. 400 E. 600

B. 200

The second through fifth metacarpophalangeal joints are classified as: A. Gliding joints B. Condyloid joints C. Saddle joints D. Pivot joints

B. Condyloid joints

Due to the compensated changes in the 1st question, what would be the resultant effect to magnification? A. Increase B. Decrease C. Remain the same

B. Decrease

With the patient in the prone position, which of the following adjustments would be necessary to demonstrate the right axillary ribs? A. Direct the CR 20 degrees cephalad B. Elevate the right side C. Elevate the left side D. Direct the CR 20 degrees caudad

B. Elevate the right side

Radiographers do NOT usually record: A. Administration of contrast B. Exam results C. Changes in patient status D. Reactions to contrast media

B. Exam results

The chemical compound used as a material for thermoluminescent dosimetry is: A. Calcium tungstate B. Lithium fluoride C. Silver bromide D. Sodium iodide

B. Lithium fluoride

The vein in the antecubital space that is commonly used for the injection site for a CT or IVP exam is called: A. Radial vein B. Median cubital vein C. Dorsal vein D. Brachial vein

B. Median cubital vein

The central ray for a PA axial (Caldwell) projection of the sinuses would enter at the _____ and exit at the _____: A. Parietal bone, occipital bone B. Occipital bone, frontal bone C. Maxillary bone, Parietal bone D. Frontal bone, occipital bone E. Occipital bone, mandible

B. Occipital bone, frontal bone

The radiographer should _______ if the outside of the biohazard bag becomes contaminated while placing the contaminated item inside it. A. Send bag as is to the central supply area since it's marked as a biohazard. B. Place a 2nd biohazard bag over it. C. Throw the bag in the regular trash and use a new one. D. Spray or wipe the bag with alcohol.

B. Place a 2nd biohazard bag over it.

The resultant effect of an increase in voltage to the x-ray tube is production of x-rays with: A. Longer wavelengths and higher frequencies B. Shorter wavelengths and higher frequencies C. Longer wavelengths and lower frequencies D. Shorter wavelengths and lower frequencies

B. Shorter wavelengths and higher frequencies

To reduce patient exposure during pulse mode fluoroscopy, ________ should be chosen. A. Highest mA B. Smallest pulse width C. Lower kVp D. Reduced SSD

B. Smallest pulse width

Nitroglycerin is often taken by patients to relieve pectoris angina. What is the normal method of administration? A. Oral B. Sublingual C. Intradermal D. Intravenous

B. Sublingual

In order to reduce OID for an AP projection of the humerus with the patient supine, the: A. Affected side should be elevated B. Unaffected side should be elevated C. Forearm should be flexed D. Central ray should be directed cephalad

B. Unaffected side should be elevated

Referring back to the original statement, (ignoring the 1st 3 questions in series), which of the following changes would result in increased spatial resolution while maintaining the receptor exposure? A. Utilize a 5:1 grid and increase the mAs to 50 B. Utilize 50" SID and increase time to .4 sec C. Increase the kVp to 80 and decrease the mA to 50 D. Increase the SID to 50" and increase the mA to 200

B. Utilize 50" SID and increase time to .4 sec

Original: 400 mA .05 sec 90 kVp 8:1 grid New: 200 mA _____ sec 104 kVp 5:1 grid A. .007 B. .01 C. .025 D. .5 E. .75

C. .025

Which of the following factors may have an effect on receptor exposure? 1. OID 2. SID 3. Focal spot size A. 1 B. 2 C. 1 & 2 D. 2 & 3 E. 1, 2, & 3

C. 1 & 2

Which of the following bones form the nasal septum? 1. Vomer 2. Ethmoid bone 3. Nasal bones A. 1 B. 3 C. 1 and 2 D. 1 and 3 E. 1, 2, and 3

C. 1 and 2

A high diastolic blood pressure reading would be: A. 100/60 mm Hg B. 170/70 .. Hg C. 120/95 mm Hg D. 140/75 mm Hg

C. 120/95 mm Hg

A patient is suddenly unable to speak and grabs his/her throat. This patient is probably experiencing: A. Myocardial infarction B. Stroke C. Airway obstruction D. Epileptic seizure

C. Airway obstruction

Which of the following operates on the principle of self-induction? A. Transformer B. Galvanometer C. Autotransformer D. Rectifier

C. Autotransformer

The knees should be flexed for an AP projection of the lumbar vertebrae in order to: A. Reduce the normal kyphotic curve B. Better demonstrate the zygapophyseal articulations C. Better demonstrate the intervertebral disc spaces D. Better demonstrate the intervertebral foramina

C. Better demonstrate the intervertebral disc spaces

Which of the following is an effect of the hematologic syndrome? A. Ataxia B. Seizures C. Decreased white blood cells D. Increased blood clotting

C. Decreased white blood cells

A linear dose-response relationship to radiation assumes that the response to radiation is: A. Inversely proportional to the dose of radiation B. Independent of the dose of radiation C. Directly proportional to the dose of radiation D. Variable, depending on the Quality Factor

C. Directly proportional to the dose of radiation

Which of the following is considered a pre-processing function for digital radiography? A. Windowing B. Levelling C. Histogram analysis D. Annotation

C. Histogram analysis

An increase in filtration of the x-ray beam would result in an: A. Increase in output in mR/second B. Increased skin dose to the patient C. Increase in the half value layer D. Increase in radiographer contrast

C. Increase in the half value layer

Which of the following types of motors is utilized to rotate the anode in the x-ray tube? A. Direct current B. Synchronous motor C. Induction motor

C. Induction motor

The patient could bring charged of _____ if confidential info about a patient is disclosed to an unauthorized individual. A. Libel B. Slander C. Invasion of privacy D. Defamation

C. Invasion of privacy

Which of the following structures of the eye is considered the most radiosensitive? A. Cornea B. Iris C. Lens D. Optic nerve

C. Lens

Which of the following contrast medium characteristics would be less likely to cause adverse reactions in the patient? A. Ionic B. High iodine concentration C. Low osmolality D. High viscosity

C. Low osmolality

Decreasing the OID will result in REDUCTION of: A. Density B. Recorded detail C. Magnification D. Elongation

C. Magnification

A patient falls off a cart in the waiting room after an x-ray exam and is injured. The radiographer failed to put the rails up on the cart after the exam. The radiographer could be sued for: A. Assault B. Battery C. Negligence D. Repondeat Superior

C. Negligence

Which of the following are found on the temporal bone? A. Anterior clinoid process B. Pterygoid process C. Styloid process D. Clivus

C. Styloid process

Doubling the mAs used to produce a radiograph will deliver _______ the ESE. A. One fourth B. One half C. Two times D. Four times

C. Two times

The majority of cerebrospinal fluid is produced in the: A. Corpus callosum B. Cerebral cortex C. Ventricles of the brain D. Spinal cord

C. Ventricles of the brain

A film badge reading of 70 mrem is equal to how many rem? A. 70,000 B. 7,000 C. .70 D. .07

D. .07

Acceptable portable radiographic exam procedures would include: 1. Standing 6ft from patient 2. Standing at a 90 degree angle from patient 3. Holding image receptor at arm's length A. 1 only B. 2 only C. 3 only D. 1 & 2

D. 1 & 2

Which of the following protective devices on fluoroscopic equipment helps reduce unnecessary radiation to the patient? 1. Collimation 2. Protective lead curtain 3. Deadman switch A. 1 only B. 2 only C. 1 & 2 only D. 1 & 3 only E. 1, 2, & 3

D. 1 & 3 only

Which of the following would affect the demonstration of the anode heel effect? 1. SID 2. mAs 3. Image receptor size A. 1 B. 2 C. 1 and 2 D. 1 and 3 E. 1, 2, and 3

D. 1 and 3

Which of the following would be closest to the film for a lateral projection of the 5th finger demonstrating minimal distortion? 1. Hamate 2. Distal radius 3. Distal ulna A. 1 B. 2 C. 1 and 2 D. 1 and 3 E. 2 and 3

D. 1 and 3

Limiting the primary beam can reduce the exposure outside the x-ray field by up to _____ times. A. 4 B. 25 C. 50 D. 100

D. 100

Which of the following oral temperatures (Fahrenheit) would be considered febrile? A. 96.6 B. 97.5 C. 98.5 D. 101.2

D. 101.2

Which of the following pathological conditions may require a decrease in mAs or kVp to maintain an acceptable density? 1. Advanced Paget's disease 2. Pulmonary emphysema 3. Osteoporosis A. 1 B. 2 C. 1 and 2 D. 2 and 3 E. 1, 2, and 3

D. 2 and 3

Which of these image matrices would provide the best spatial resolution? A. 14x17 B. 512x512 C. 1024x1024 D. 2048x2048

D. 2048x2048

*Refers to next 5 questions: A portable radiograph of the femur is obtained utilizing the following exposure factors- 100 mA, 1/4 sec, 70 kVp, and no grid.* Due to the situation, a 50" SID is to be utilized. In order to maintain the same receptor exposure, the mAs should be adjusted to: A. 5 mAs B. 10 mAs C. 20 mAs D. 40 mAs E. 60 mAs

D. 40 mAs

The degree of angulation between the lamina of the lower cervical vertebrae and the median sagittal plane is approximately: A. 5 degrees B. 15 degrees C. 30 degrees D. 45 degrees E. 90 degrees

D. 45 degrees

During the photoelectric effect the kinetic energy of the photoelectron exiting from the atom involved will be dependent upon the: A. Energy of the incident photon B. Binding energy of the electron involved C. Energy difference between the K-shell and the L-shell D. A & B E. B & C

D. A & B

Interactions with the target include: A. Bremsstrahlung B. Characteristic C. Compton D. A & B E. A, B , & C

D. A & B

The radiographer ______ while performing an exam on an unconscious patient. A. Use the patient's name B. Tell the patient what you are doing C. Check urgent text mesages D. A&B E. A, B, & C

D. A&B

Which of the following positions/projections would demonstrate the head of the fibula superimposed over the lateral half of the tibia? A. AP B. Lateral C. AP oblique medial rotation D. AP oblique lateral rotation E. Tunnel

D. AP oblique lateral rotation

Which of the following could have a positive effect on reducing radiation exposure to the general population? A. Computerized tomography machines B. Tomography machines C. Fluoroscopic machines D. Automatic exposure controls

D. Automatic exposure controls

Which of the following is NOT classified as being electromagnetic? A. Gamma B. X-rays C. Ultraviolet D. Beta

D. Beta

Beam collimation helps reduce the incidence of _________ interactions resulting in decreased scatter from the patient. A. Classical B. Thompson C. Photoelectric D. Compton

D. Compton

Which of the following supplies blood to the glomerulus? A. Afferent arterioles B. Efferent arterioles C. Collecting tubule D. Convoluted tubule

D. Convoluted tubule

Which of the following combinations would be necessary for a barrier utilized for radiation protection purposes? A. Low atomic number and low density (grams/cc) B. Low atomic number and high density (grams/cc) C. High atomic number and low density (grams/cc) D. High atomic number and high density (grams/cc)

D. High atomic number and high density (grams/cc)

Select the position/projection which best demonstrates the splenic flexure of the colon. A. AP B. LPO C. Chassard Lapine D. LAO

D. LAO

The plane that divides the body into the equal right and left halves is the _______ plane. A. Transverse B. Sagittal C. Coronal D. Midsagittal

D. Midsagittal

Which of the following is going to have the greatest effect on spatial resolution? A. Focal spot size B. SID C. Use of grids D. Motion

D. Motion

If a radiographer is injured at work and requires an x-ray of the knee, where should they place their dosimeter? A. Collar level under a lead apron B. Collar level outside the lead apron C. Waist level under the lead apron D. None of the above

D. None of the above

Which of the following would be utilized to demonstrate the vertebral foramen of the cervical vertebrae? A. AP B. Lateral C. Oblique D. None of the above

D. None of the above

Which of the following positions or projections would be most useful in demonstrating a "blowout" fracture? A. AP axial projection Towne method B. PA Caldwell method C. Axiolateral oblique projection Stenvers method D. Parietoacanthial projection waters method

D. Parietoacanthial projection waters method

Each cell in an image matrix is called: A. Element B. Byte C. Bit D. Pixel

D. Pixel

Genetic effects of radiation would be seen it: A. Newborn patient who had been radiated as a fetus B. Radiologic technologists C. The individual who was irradiated D. The offspring of an irradiated individual

D. The offspring of an irradiated individual

The proximal row of carpals contains the: A. Hamate B. Trapezium C. Capitate D. Triquetrum E. Trapezoid

D. Triquetrum

Which of the following would be considered a side effect of intravenous iodine contrast administration? A. Hives B. Vomiting C. Laryngospasm D. Warm, flushed feeling

D. Warm, flushed feeling

Original: 300 mA .05 sec 35" SID New: 200 mA ______ sec 50" SID A. .02 B. .04 C. .07 D. .12 E. .15

E. .15

Original: 500 mA .12 sec 5:1 grid New: _______ mA .20 sec 8:1 grid A. 100 B. 200 C. 300 D. 400 E. 600

E. 600

Phosphor materials used in digital radiography (CR & DR) include: A. Amorphous selenium B. Amorphous silicon C. Barium fluorohalide doped with europium D. A & B E. A, B, & C

E. A, B, & C

Which of the following could be a reservoir of infection? A. Human being B. Plant C. Soil D. B & C E. A,B, & C

E. A,B, & C