What is the dominant form of attenuation at the yellow arrow head in this image.

Which of the following is the best description for a structure that is hypoechoic?

Kandi is 17 years old and doesn’t think that anything bad will ever happen to her, so she doesn’t think twice about driving after leaving a party where she had been drinking. What concept does this best illustrate?

What type of attenuation is most likely in the imaging situation below?

Which scenario best illustrates egocentrism? (Think: Piaget’s theory of cognitive development)

Which best describes the developmental processes involved when an adolescent navigates relationships, develops a sense of identity, and learns to manage emotional responses?

What is the angle of reflection in the imaging diagram below? The incident angle is 30 degrees.  

Which of the following conditions is required for spectral reflection to occur?

An ultrasound beam is directed at a large interface composed of bone and soft tissue.  The angle of incidence is 60°.  The sound beam moves from bone into soft tissue.  Assume the speed of sound in bone is 3080 m/s.  What is the effect on the sound beam.

Identify the transducer type used for each of the following images.       A                B               C                   D