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Your patient is a 6 yo that started with a limp who experiences pain that is worse in the morning and after activity, and has joint stiffness for the past 6 weeks. You also observe joint effusion and warmth, and nail pits (oncholysis). What condion do you suspect? 

DELETE   The Efficient Market School believes that:

Which of the following would be considered the best example of a primary group?

Lev Vygotsky developed a sociocultural theory that states knowledge is cultural specific.

Defendants engaging in ultrahazardous activities are almost always liable for any harm that results.

A low-pass filter may be used in a homodyne demodulator to remove the signals due to the slow movement of vessel walls in Doppler ultrasound measurements.

Signal-to-noise ratio can be improved by using higher ultrasound frequency.

Tissues behind a bone can be easily imaged with an ultrasound.

Ultrasound is an electromagnetic wave with a long wavelength.

A B-mode ultrasound image of a tissue consists of 256 lines. Assume the ultrasound speed in the tissue is 1540 m/s. What is the maximum tissue thickness that can be imaged with a frame rate at 30 Hz?