Week 8 Flashcards
1
Q
For radiographs what color is air?
A
black
2
Q
What do sound waves create?
A
Moving images
3
Q
On an ultrasound black indicates what?
A
Fluid
4
Q
What is a curved transducer used for?
A
Big windows
5
Q
What are linear transducers good for?
A
Overall images
6
Q
What are sector transducers used for?
A
Small windows
7
Q
How does the transducer work?
A
Sound waves go into the patient and an echo come back
8
Q
What will high frequency give you?
A
Best image but low penetration
9
Q
What will low frequency give you?
A
Low quality but good penetration
10
Q
What is homogenous?
A
Uniform echos
11
Q
What is heterogeneous?
A
Non uniform echo
12
Q
Define echogenicity
A
Generating sound waves
13
Q
Hyperechogenic is..
A
Bright
14
Q
Hypoechoic is…
A
Dark
15
Q
Anechoic is…
A
Non echo producing black
