Ultrasound QUIZ

Question 1

T/F: Ultrasound is a cyclic sound pressure above human hearing that can be utilized for imaging tissues.

Answer 1

True

Question 2

T/F: B-mode ultrasound records changes in motion over time and is mostly used for cardiac imaging.

Answer 2

False.
B-mode: Brightness Mode - This is grayscale that is traditionally used for cysto’s, etc.

Question 2

T/F: Piezoelectric crystals inside the transducer change shape when an electric current is applied to them.

Answer 2

True

Question 3

T/F: Color-flow Doppler Ultrasound assigns different color to different tissue densities.

Answer 3

False.
Color-Flow Doppler: Uses color to represent the direction and speed of blood flow

Question 4

T/F: One advantage of ultrasound is that all organs need only be imaged once, in the longitudinal plane.

Answer 4

False. Needs to be imaged twice, once in longitude, second in latitude.

Question 5

T/F: Ultrasound is excellent for counting puppies in the last trimester of gestation.

Answer 5

False

Question 6

T/F: Ultrasound of the inner structures of the eye is safe and easy to perform.

Answer 6

True

Question 7

One advantage of ultrasound over radiography is:
1. it does not have artifact problems
2. it can assess motion of anatomic structures
3. it is easy to interpret images
4. it is rapid to perform

Answer 7

2. it can assess motion of anatomic structures

Question 8

One advantage of radiography over ultrasound is:
1. it is very safe for patient and technician
2. it visualizes easily through air
3. it visualizes easily through bone
4. it visualizes easily through fluid

Answer 8

2. it visualizes easily through air

Question 9

Ultrasound can be used to guide
1. cytology collection from kidneys
2. catheter placement in urinary bladder
3. all choices are correct
4. biopsy collection from liver

Answer 9

3. all choices are correct

Question 10

Fetal heartbeats of puppies can first be seen at ____days of gestation.
a. 15
b. 25
c. 35
d. fetal puppy heartbeats can’t be visualized by ultrasound

Answer 10

b. 25

Question 11

Describe the care of the ultrasound machine. (3)

Answer 11

1. Always know where the probe is (keep in its holder when not in use). It can be damaged if dropped!
2. Keep dust cover on machine when not using
3. Clean probe with proper wipes and cleaning material (ex: diluted alcohol)