Chapter 3 Flashcards
1
Q
What do the parameters describe about sound
A
Features or characteristics
2
Q
The —— of a sound wave is the ultrasound system and transducer
A
Source
3
Q
Time for one cycle
A
Period
4
Q
The time it takes a wave to vibrate a single cycle
A
Period
5
Q
The time from the time from the start of one cycle to the start of the next cycle
A
Period
6
Q
Unit for period
A
Microseconds
7
Q
Period is determined by
A
Sound source
8
Q
Can a sonographer adjust period
A
No
9
Q
Number of cycle in one second
A
Frequency
10
Q
The number of particular events that occur in a specific duration of time
A
Frequency
11
Q
Unit for frequency
A
Hertz, Hz
12
Q
Frequency is determined by
A
Sound source
13
Q
Can a sonographer adjust frequency
A
No
14
Q
Frequency of a Sound less than 20 Hz
A
Infrasound
15
Q
Audible sound
A
Between 20Hz and 20 kHz
