*Question*
Q: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer? Choices: - laser - radiation - sonar - ultrasound A:
**Answer**
ultrasound

*Question*
Q: What is the opening in the front of the eye called? Choices: - lens - cornea - iris - pupil A:
**Answer**
pupil

*Question*
Q: What muscle in the chest helps inflate and deflate the lungs? Choices: - pectoral - cartilage - heart - diaphragm A:
**Answer**
diaphragm

*Question*
Q: What forms after air cools below its dew point? Choices: - sleet - smoke - plasma - fog A:
**Answer**
fog