Chapter 24 quiz Flashcards
True or false
In vivo is performed within the living body
True
What is the primary mandate regarding clinical ultrasound?
Benefits to the patient must outweigh the risks
What does a calorimeter do?
Measures the total power in a sound beam through the process of absorption
What is the science of identifying and measuring the characteristics of an ultrasound beam that are relevant to its potential for producing biological effects?
dosimetry
Which approach searches for relatioship between exposure and response
Empirical
What degree in testicular temperature can cause infertility?
2-4 degrees
True or False
Bone absorbs less acoustic energy than soft tissue
False
Core temperature is regulated at what degree?
37 degrees
Bubble bursting is also known as
transient cavitation
Two forms of cavitation are
Stable and transient
What is a limitation of epidemiologic studies?
Justification for the exam
True or false
It is always fun to scan your friends for entertainment purposes when they are pregnant
False
True or False
It is safe to scan with a cracked transducer housing
False
Which measure of intensity is related most closely to tissue heating?
SPTA
True or False
The transducer exposes a patient to the greatest risk?
True
