SPI PRACTICE TEST - 500 QUESTIONS & VERIFIED ANSWERS RATED 100% CORRECT

SPI PRACTICE TEST - 500 QUESTIONS
& VERIFIED ANSWERS RATED 100%
CORRECT

1. A sound wave is:
a. transverse
b. electromagnetic
c. mechanical, longitudinal
d. transverse, longitudinal

c. mechanical, longitudinal



2. A compression area of a sound wave is:
a. high pressure, low density
b. low pressure, low density
c. high pressure, high density
d. low pressure, high density

c. high pressure, high density



3. A rarefaction area of a sound wave is:
a. high pressure, low density
b. low pressure, low density
c. high pressure, high density
d. low pressure, high density

b. low pressure, low density



4. Which of the following is considered an acoustic variable?
a. power
b. intensity
c. amplitude
d. pressure

,d. pressure



5. Which of the following is a unit for pressure?
a. lbs/in
b. N/m²
c. kg/cm³
d. inches²

b. N/m²



6. Which of the following is a correct unit for density?
a. lb/in
b. mm Hg
c. centigrade
d. lbs/cm³

d. lbs/cm³



7. Which of the following waves propagate in medium?
a. heat
b. light
c. x-ray
d. sound

d. sound



8. The range for ultrasound is:
a. less than 20 Hz
b. 20 Hz to 20000 Hz
c. greater than 20 kHz
d. 2 MHz to 10 MHz

c. greater than 20 kHz



9. ______________ is the number of wave cycles per second.
a. frequency

,b. period
c. wavelength
d. amplitude

a. frequency

10. One kilohertz is equal to:
a. one cycle per second
b. 100 cycles per second
c. 1,000 cycles per second
d. 10,000 cycles per second

c. 1,000 cycles per second



11. One Megahertz is equal to:
a. one cycle per second
b. one hundred cycles per second
c. one thousand cycles per second
d. one million cycles per sound

d. one million cycles per sound



12. The useful frequency range for clinical imaging ultrasound is:
a. 20 Hz
b. 20 Hz to 20 kHz
c. 1 Hz to 10 kHz
d. 2 MHz to 10 MHz

d. 2 MHz to 10 MHz



13. Frequency is determined by the:
a. source
b. medium
c. source and medium
d. sonographer

a. source

, 14. Frequency affects all the following except:
a. wavelength
b. resolution
c. penetration
d. impedance

d. impedance



15. The time per cycle is:
a. frequency
b. period
c. wavelength
d. sound speed

b. period



16. The period for a 5 MHz probe is:
a. 0.2 cycles/per second
b. 0.2 sec
c. 0.2 µs sec
d. 0.2 mse

c. 0.2 µs sec



17. If frequency increases, period:
a. increases
b. decreases
c. varies
d. unchanged

b. decreases



18. Period is determined by the:
a. source
b. medium