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Acoustic speckle is an artifact produced by  ________________

If a 3 MHz frequency is used in human soft tissue, the wavelength is approximately

You are using an ultrasound examination mode that is useful for measuring dimensions of structures.  This mode produces a display more similar to a deflections rather than an actual anatomic picture.  Which of the following most closely matches this description?

A low frame rate will cause ___________________

When a muscle cell generates tension but does not shorten, a(n)_________ contraction occurs.

When the wrong blood type is given to a patient, the antibodies in the patient’s blood react with the antigens on the surface of the transfused blood causing a reaction called_________.

The pumps that actively transport calcium back into the_________ are called Ca+2 -ATPase pumps.

A long distance bicyclist wants to start doing intense strength training for his legs to improve his aerobic endurance. This_________ improve his aerobic endurance, since_________.

Cardiac_________ channels are called hyperpolarization cyclic nucleotide (HCN) channels because they open in response to hyperpolarization.

In regards to the relationship between resting muscle fiber length and tension generated,_________.