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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,_________.

A piston-cylinder device contains 0.05 kg of steam at 1 MPa and 300 °C. The steam now expands to a final state of 200 kPa and 150 °C. During the process, 2 kJ of heat is lost to the surroundings. Assuming the surroundings to be at = 25 °C and = 100 kPa, determine: (a)    The work done by the steam. Answer: [W] kJ (round to one decimal place) (b)    The exergy of the steam at State 1. Answer: [X1] kJ (round to one decimal place) (c)    The reversible work that can be done by the steam. Answer: [Wrev] kJ (round to one decimal place) (d)    The exergy destroyed during this process. Answer: [Xdes] kJ (round to one decimal place) (e)    The second law efficiency of this work producing process.  Answer: [etaii] (round to two decimal places)