1-5
How many milliliters are contained in a jar filled with 7 liters of fluid?
7,000 milliliters
What do waves transfer from one location to another?
Energy
To decrease by a factor means to _____.
Divide by that number
According to the powers of ten, how much bigger is a billion than a million?
1,000 times bigger
What is the reciprocal of 1/16?
1.6 x 10 to the 1 power
A sonographer measures a mass of 175 centimeters. The patient's previous report includes the same mass; however, the units used are in meters. In order to accurately compare the two measurements a conversion is needed. How many meters equal 175 centimeters?
1.75 meters
What type of relationship does the graph demonstrate? (Image)
Inverse
Two in-phase waves are traveling in a medium and arrive at a location at the same time. What event takes place?
Constructive Interference
School grades and study time are _____ related.
Directly
How many hertz is in 5 MHz?
5,000,000 Hz
What phenomenon occurs when two wave's peak amplitudes occur at the same time at the same location?
In-Phase
The complimentary metric unit for mega- is:
Micro
All of the following are true of sound waves except:
They are acoustic
They move energy
They are pressure waves
They are transverse waves
They are transverse waves
How are shoe size and knowledge related?
Unrelated
Which of the following statements is true regarding a sound wave?
Particles oscillate parallel to the wave and travel in the same direction as the wave.
Particles oscillate perpendicular to the wave and travel in the same direction as the wave.
Particles oscillate perpendicular to the wave and travel in the opposite direction as the wave.
Particles oscillate parallel to the wave and travel in the opposite direction as the wave.
Particles oscillate parallel to the wave and travel in the same direction as the wave.
What unit best describes percentage?
None
A patient has a thoracentesis and 40 mL of fluid were drained from their lungs. The radiologist only likes liter metrics in their report, so a conversion is required. How many liters are in 40 mL of fluid?
0.04 L
List and define the (3) acoustic variables of sound.
1. Pressure - concentration of force in an area
2. Density - concentration of mass in a volume
3. Distance - measure of particle motion
What units describe pressure?
Pascals
What type of wave will exhibit both constructive and destructive interference?
Waves of different frequencies