The most common use of ultrasound in medicine is diagnostic ultrasound.

Diagnostic ultrasound uses frequencies between:

The ability to imagine or have experienced what a person is going through.

Which of the following describes sound that exceeds a frequency of 20 kHz?

In the 1976, which group created an examination for diagnostic medical sonographer’s across 10 different cities in the United States?

Humans can hear frequencies as low as:

It is important for the sonographer to ________ to the patient.

Having a chaperone protects the patient’s concerns about privacy and comfort as well as legally protects the sonographer.

For questions 16 – 20, number the mandibular deciduous (primary) teeth in the order and age range they erupt (mean eruption and range). 17. Primary Mandibular Lateral Incisors

Name two factors that Jeffery Sachs argues can cause poverty traps for individuals or for countries. (4 points) For one of these factors explain how it can impede economic development, how it can cause either individuals or countries to be trapped in poverty, and how it can be alleviated by an external intervention or a big push. (8 points). William Easterly has criticized the poverty trap argument on several grounds. Outline one of his arguments against the thesis that poverty traps of the kind Sachs identifies are the main reason keeping poor countries poor. (8 points).