Question 1

Routine obstetric screening exams are usually requested between _____ gestational weeks.

Accepted Answer

A)  8 and 12 
B)  12 and 16 
C)  16 and 24 
D)  24 and 30 
A)  8 and 12 
B)  12 and 16 
C)  16 and 24 
D)  24 and 30 C

Question 2

Ultrasonic sound waves are:

Accepted Answer

A)  poorly transmitted by liquids. 
B)  poorly transmitted by solids. 
C)  reflected at tissue interfaces. 
D)  constant in speed. 
A)  poorly transmitted by liquids. 
B)  poorly transmitted by solids. 
C)  reflected at tissue interfaces. 
D)  constant in speed. C

Question 3

A normal liver scan should have a _____ echo pattern.

Accepted Answer

A)  hyperechoic 
B)  hypoechoic 
C)  homogeneous 
D)  heterogeneous 
A)  hyperechoic 
B)  hypoechoic 
C)  homogeneous 
D)  heterogeneous C

Question 4

The frequency for diagnostic ultrasound is in the range of:

Accepted Answer

A)  2 to 320 Hz. 
B)  20 to 20,000 Hz. 
C)  100,000 Hz to 1 MHz. 
D)  1 to 10 MHz. 
A)  2 to 320 Hz. 
B)  20 to 20,000 Hz. 
C)  100,000 Hz to 1 MHz. 
D)  1 to 10 MHz.

Question 5

Hertz measures:

Accepted Answer

A)  cycles per second. 
B)  amplitude of an echo. 
C)  number of waves. 
D)  wavelength. 
A)  cycles per second. 
B)  amplitude of an echo. 
C)  number of waves. 
D)  wavelength.

Question 6

The velocity of an ultrasound beam is:

Accepted Answer

A)  constant in speed. 
B)  constant for all solids. 
C)  determined by the density of material. 
D)  proportional to frequency cubed. 
A)  constant in speed. 
B)  constant for all solids. 
C)  determined by the density of material. 
D)  proportional to frequency cubed.

Question 7

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

Accepted Answer

A)  duplex sonography. 
B)  endovaginal. 
C)  transabdominal. 
D)  volume scanning. 
A)  duplex sonography. 
B)  endovaginal. 
C)  transabdominal. 
D)  volume scanning.

Question 8

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

Accepted Answer

A)  echogenic. 
B)  anechoic. 
C)  hyperechoic. 
D)  hypoechoic. 
A)  echogenic. 
B)  anechoic. 
C)  hyperechoic. 
D)  hypoechoic.

Question 9

Sometimes examinations in the abdominal cavity are difficult to perform because of:

Accepted Answer

A)  air or gas in the gastrointestinal tract. 
B)  bony anatomy. 
C)  tissue differences. 
D)  too much fluid. 
A)  air or gas in the gastrointestinal tract. 
B)  bony anatomy. 
C)  tissue differences. 
D)  too much fluid.

Question 10

The propagation speed of sound in soft tissue is _____ m/s.

Accepted Answer

A)  150 
B)  330 
C)  1020 
D)  1540 
A)  150 
B)  330 
C)  1020 
D)  1540

Question 11

A full bladder is used for imaging the female pelvis as a sonic window and to also:

Accepted Answer

A)  flatten the vagina. 
B)  reposition the intestines laterally. 
C)  distend the uterus. 
D)  flatten the ovaries. 
A)  flatten the vagina. 
B)  reposition the intestines laterally. 
C)  distend the uterus. 
D)  flatten the ovaries.

Question 12

If an echo pattern is similar throughout a structure or mass it is termed:

Accepted Answer

A)  heterogeneous. 
B)  homogeneous. 
C)  complex. 
D)  anechoic. 
A)  heterogeneous. 
B)  homogeneous. 
C)  complex. 
D)  anechoic.

Question 13

Sound is attenuated by:

Accepted Answer

A)  soft tissue. 
B)  fluid-filled structures. 
C)  most bony structures. 
D)  solid organs. 
A)  soft tissue. 
B)  fluid-filled structures. 
C)  most bony structures. 
D)  solid organs.

Question 14

The principle on which the ultrasound transducer operates is the _____ effect.

Accepted Answer

A)  photoelectric 
B)  crystalline 
C)  piezoelectric 
D)  transducer 
A)  photoelectric 
B)  crystalline 
C)  piezoelectric 
D)  transducer

Exam 31: Diagnostic Ultrasound

Routine obstetric screening exams are usually requested between _____ gestational weeks.

Ultrasonic sound waves are:

A normal liver scan should have a _____ echo pattern.

The frequency for diagnostic ultrasound is in the range of:

Hertz measures:

The velocity of an ultrasound beam is:

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

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

Sometimes examinations in the abdominal cavity are difficult to perform because of:

The propagation speed of sound in soft tissue is _____ m/s.

A full bladder is used for imaging the female pelvis as a sonic window and to also:

If an echo pattern is similar throughout a structure or mass it is termed:

Sound is attenuated by:

The principle on which the ultrasound transducer operates is the _____ effect.

Preliminary Steps in Radiography

Compensating Filters

General Anatomy and Radiographic Positioning Terminology

Upper Limb

Shoulder Girdle

Lower Limb

Pelvis and Upper Femora

Vertebral Column

Bony Thorax

Thoracic Viscera

Long Bone Measurement

Contrast Arthrography

Trauma Radiography

Mouth and Salivary Glands

Anterior Part of Neck

Abdomen

Digestive System: Alimentary Canal

Urinary System and Venipuncture

Reproductive System

Skull, Facial Bones, and Paranasal Sinuses

Mammography

Central Nervous System

Vascular, Cardiac, and Interventional Radiography

Pediatric Imaging

Geriatric Radiography

Mobile Radiography

Surgical Radiography

Sectional Anatomy for Radiographers

Computed Tomography

Magnetic Resonance Imaging

Nuclear Medicine

Bone Densitometry

Radiation Oncology

Filters