Ardms Spi Test Exam Questions With Complete Solutions
6 views 0 purchase
Course
Ardms Spi
Institution
Ardms Spi
Ardms Spi Test Exam Questions With Complete Solutions
What is the vertical axis of the graph called? - ANSWER- Y-axis
What is the name of the horizontal axis of a graph? - ANSWER- X-axis
What is the reciprocal of 1,000? - ANSWER- 0.001
What is the metric system order from highest to low...
Ardms Spi Test Exam Questions With
Complete Solutions
What is the vertical axis of the graph called? - ANSWER- Y-axis
What is the name of the horizontal axis of a graph? - ANSWER- X-axis
What is the reciprocal of 1,000? - ANSWER- 0.001
What is the metric system order from highest to lowest? - ANSWER-
Giga,mega,kilo,hector,deca,deci,centi,milli,micro,nano
What are the prefixes in order? - ANSWER- M,k,da,d,Mega,kilo, deca,deci,centi
What is the reciprocal of Mega? - ANSWER- Micro
what is the term used to describe the effects of an ultrasound wave on living tissue? -
ANSWER- Bioeffects
as sound travels through a medium, what term describes the effects of the medium on
the sound wave? - ANSWER- Acoustic propagation properties
sound can be characterized as? - ANSWER- Cyclical oscillations in certain variables
the direction of motion of a particle is perpendicular to the direction of propagation of the
wave. What type of wave is this? - ANSWER- Transverse wave
a particle within a transverse wave is traveling vertically. What is the direction of the
waves propagation? - ANSWER- Horizontal
what describes the characteristics of a sound wave? - ANSWER- Mechanical,
longitudinal
sound is best described as? - ANSWER- A series of compressions and refractions
sound waves are ______ waves - ANSWER- longitudinal
what are acoustics varibles? - ANSWER- Pressure, motion of particles in the wave,
density
what are the units of pressure measurement of an acoustic wave? - ANSWER-
Atmospheres-atm, pascals-pa, millimeters of mercury-mmhg, pounds/sq in (all are
appropriate but pa are most often used
, pressure is defined as an amount of ____ divided by the ___ - ANSWER- force,area
period is described in units of ____ - ANSWER- time
waves that exist at the same location and time will combine together. This is called? -
ANSWER- Interference
two waves arrive at the same location and interfere. The resultant sound wave is
smaller. What is this called? - ANSWER- Destructive interference
a pair of waves are in phase. What occurs when these waves interfere? - ANSWER-
Constructive interference
what is the reciprocal of period? - ANSWER- Frequency
the range of periods commonly found in waves produced by ultrasound systems is? -
ANSWER- 0.1-0.5 microseconds
what happens to period as is propagates? - ANSWER- Remains the same
the sonographer ____ have the ability to alter the period of an ultrasound wave by a
basic transducer? - ANSWER- Does not
what determines the period of an ultrasound wave? - ANSWER- The sound source
what term describes the number of cycles that an acoustic variable completes in one
second? - ANSWER- Frequency
in imaging, the frequency of the wave remains ___ as it propagates through the body -
ANSWER- constant
what is the range of frequencies emitted by transducers used in ultrasonic imaging? -
ANSWER- 2,000,000 to 10,000,000 Hz or 2-10 megahertz
ultrasound is defined as a sound with a frequency of ___ - ANSWER- greater than 0.02
MHz or 20,000 Hz
Which of the following waves is ultrasonic and least useful? - ANSWER- 24 kHz
When a number is squared it is multiplied by? - ANSWER- Itself
What diagnostic imaging the sonoghrapher ___ the ability the vary the amplitude -
ANSWER- has
The amplitude is changed by the _____ - ANSWER- output power
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NURSINGSTUDYSTORE. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
