Question 1

Which of the following would cause a radiograph to have too much contrast?

Accepted Answer

A)  kVp level set too low 
B)  kVp level set too high 
C)  mA station too low 
D)  mA station too high 
A)  kVp level set too low 
B)  kVp level set too high 
C)  mA station too low 
D)  mA station too high A

Question 2

The minimum amount of mAs change that will prompt a visible change in image density is:

Accepted Answer

A)  5%. 
B)  10%. 
C)  20%. 
D)  30%. 
A)  5%. 
B)  10%. 
C)  20%. 
D)  30%. D

Question 3

Advantages of using a fixed kVp technique chart include which of the following?
1) Contrast is lower.
2) Exposures will have more latitude.
3) Patient exposures are lower.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 C

Question 4

Which of the following pathologic conditions require a decrease in exposure technique?
1) Multiple myeloma
2) Emphysema
3) Osteoporosis

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 5

What is the name of the organization that requires technique charts be posted for every radiographic room?

Accepted Answer

A)  State Department of Health 
B)  The Joint Commission 
C)  American Society of Radiologic Technologists 
D)  American Registry of Radiologic Technologists 
A)  State Department of Health 
B)  The Joint Commission 
C)  American Society of Radiologic Technologists 
D)  American Registry of Radiologic Technologists

Question 6

A listing of the various radiographic examinations performed in a radiographic room along with the exposure factors is called a(n):

Accepted Answer

A)  technique chart. 
B)  exposure index. 
C)  tube rating chart. 
D)  caliper chart. 
A)  technique chart. 
B)  exposure index. 
C)  tube rating chart. 
D)  caliper chart.

Question 7

If the kVp is increased using the "15% rule," an 80-kVp exposure would change to which of the following?

Accepted Answer

A)  68 kVp 
B)  92 kVp 
C)  105 kVp 
D)  160 kVp 
A)  68 kVp 
B)  92 kVp 
C)  105 kVp 
D)  160 kVp

Question 8

Which technical factor should be used to correct problems with radiographic density?

Accepted Answer

A)  SID 
B)  Grid ratio 
C)  mAs 
D)  kVp 
A)  SID 
B)  Grid ratio 
C)  mAs 
D)  kVp

Question 9

What is a radiographic phantom?

Accepted Answer

A)  An unwanted density on an x-ray image 
B)  Another name for an artifact 
C)  A human skeleton or part of a skeleton encased in plastic to simulate human tissue 
D)  A tool for measuring body parts to set exposure factors 
A)  An unwanted density on an x-ray image 
B)  Another name for an artifact 
C)  A human skeleton or part of a skeleton encased in plastic to simulate human tissue 
D)  A tool for measuring body parts to set exposure factors

Question 10

Which of the following pathologic conditions require an increase in exposure factors?
1) Pneumonia
2) Paget disease
3) Bowel obstruction

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 11

Which of the following statements regarding technique charts is true? Technique charts are

Accepted Answer

A)  the same for every radiology department. 
B)  the same for every x-ray machine within a radiology department. 
C)  the same regardless of IR, grid, SID, and other factors. 
D)  unique to each x-ray machine and each facility. 
A)  the same for every radiology department. 
B)  the same for every x-ray machine within a radiology department. 
C)  the same regardless of IR, grid, SID, and other factors. 
D)  unique to each x-ray machine and each facility.

Question 12

Technique charts are based on:

Accepted Answer

A)  patient weight and body habitus. 
B)  processor temperature and replenishment rates. 
C)  thickness of the body part to be radiographed. 
D)  nature of the suspected pathologic condition. 
A)  patient weight and body habitus. 
B)  processor temperature and replenishment rates. 
C)  thickness of the body part to be radiographed. 
D)  nature of the suspected pathologic condition.

Question 13

A satisfactory radiograph is made using 20 mAs at 40 inches SID. How much mAs is needed to produce a similar radiograph at 60 inches SID?

Accepted Answer

A)  30 mAs 
B)  35 mAs 
C)  45 mAs 
D)  55 mAs 
A)  30 mAs 
B)  35 mAs 
C)  45 mAs 
D)  55 mAs

Question 14

Technique charts are based on patient-body part measurements obtained using an x-ray caliper. These measurements are expressed as:

Accepted Answer

A)  circumference in inches. 
B)  part thickness in centimeters. 
C)  diameter in centimeters. 
D)  part thickness and width in inches. 
A)  circumference in inches. 
B)  part thickness in centimeters. 
C)  diameter in centimeters. 
D)  part thickness and width in inches.

Question 15

How does one determine if the mA station is obtainable at the desired kVp without exceeding the capacity of the x-ray tube?

Accepted Answer

A)  Consult the technique chart. 
B)  Consult the tube rating chart. 
C)  Consult the generator maximum ratings. 
D)  Consult the equipment manufacturer's engineer. 
A)  Consult the technique chart. 
B)  Consult the tube rating chart. 
C)  Consult the generator maximum ratings. 
D)  Consult the equipment manufacturer's engineer.

Question 16

An increase in exposure technique would be required if a patient had:

Accepted Answer

A)  cardiomegaly. 
B)  osteoporosis 
C)  pneumonia. 
D)  advanced age. 
A)  cardiomegaly. 
B)  osteoporosis 
C)  pneumonia. 
D)  advanced age.

Question 17

Which of the following may be a cause of technique chart "failure"?

Accepted Answer

A)  Incorrect mA station selection 
B)  Excessive exposure time 
C)  Insufficient exposure time 
D)  kVp level not optimum to penetrate the part 
A)  Incorrect mA station selection 
B)  Excessive exposure time 
C)  Insufficient exposure time 
D)  kVp level not optimum to penetrate the part

Question 18

Which of the following methods are effective ways to obtain a technique chart?
1) Create one using a Supertech® calculator.
2) Request assistance from the equipment manufacturer's technical representative.
3) Hire a radiographer consultant who is experienced in technique chart preparation.

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 19

Which category of patient seldom requires a compensating filter for general radiographic examinations?

Accepted Answer

A)  Geriatric 
B)  Pediatric 
C)  Age 18 to 24 
D)  Age 18 to 35 
A)  Geriatric 
B)  Pediatric 
C)  Age 18 to 24 
D)  Age 18 to 35

Question 20

Which technical factor is used to alter radiographic contrast?

Accepted Answer

A)  mA 
B)  Exposure time 
C)  kVp 
D)  SID 
A)  mA 
B)  Exposure time 
C)  kVp 
D)  SID

Exam 10: Formulating X-Ray Techniques

Which of the following would cause a radiograph to have too much contrast?

The minimum amount of mAs change that will prompt a visible change in image density is:

Advantages of using a fixed kVp technique chart include which of the following? 1) Contrast is lower. 2) Exposures will have more latitude. 3) Patient exposures are lower.

Which of the following pathologic conditions require a decrease in exposure technique? 1) Multiple myeloma 2) Emphysema 3) Osteoporosis

What is the name of the organization that requires technique charts be posted for every radiographic room?

A listing of the various radiographic examinations performed in a radiographic room along with the exposure factors is called a(n):

If the kVp is increased using the "15% rule," an 80-kVp exposure would change to which of the following?

Which technical factor should be used to correct problems with radiographic density?

What is a radiographic phantom?

Which of the following pathologic conditions require an increase in exposure factors? 1) Pneumonia 2) Paget disease 3) Bowel obstruction

Which of the following statements regarding technique charts is true? Technique charts are

Technique charts are based on:

A satisfactory radiograph is made using 20 mAs at 40 inches SID. How much mAs is needed to produce a similar radiograph at 60 inches SID?

Technique charts are based on patient-body part measurements obtained using an x-ray caliper. These measurements are expressed as:

How does one determine if the mA station is obtainable at the desired kVp without exceeding the capacity of the x-ray tube?

An increase in exposure technique would be required if a patient had:

Which of the following may be a cause of technique chart "failure"?

Which of the following methods are effective ways to obtain a technique chart? 1) Create one using a Supertech® calculator. 2) Request assistance from the equipment manufacturer's technical representative. 3) Hire a radiographer consultant who is experienced in technique chart preparation.

Which category of patient seldom requires a compensating filter for general radiographic examinations?

Which technical factor is used to alter radiographic contrast?

Role of the Limited X-Ray Machine Operator

Introduction to Radiographic Equipment

Basic Mathematics for Limited Operators

Basic Physics of Radiography

X-Ray Production

X-Ray Circuit and Tube Heat Management

Principles of Exposure and Image Quality

Digital Image Receptor Systems

Scatter Radiation and Its Control

Radiobiology and Radiation Safety

Introduction to Anatomy, positioning, and Pathology

Upper Extremity and Shoulder Girdle

Lower Extremity and Pelvis

Spine

Bony Thorax, Chest, and Abdomen

Skull, Facial Bones, and Paranasal Sinuses

Radiography of Pediatric and Geriatric Patients

Image Evaluation

Ethics, Legal Considerations, and Professionalism

Safety and Infection Control

Assessing Patients and Managing Acute Situations

Medications and Their Administration

Medical Laboratory Skills

Additional Procedures for Assessment and Diagnosis

Bone Densitometry

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