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Multiple Choice Questions The following 13 questions are multiple choice. Each question is worth 2.5 points. Be sure to read the directions carefully – some questions ask you to choose the TRUE/correct statement and some the FALSE/incorrect statement. There is no penalty for guessing, so you should attempt every question.

Action potential: What would happen if the membrane potential of a neuron was -90mV instead of -70mv?

The Doppler sample volume (gait) should be kept _____ during a carotid duplex imagingexamination.

There are more voltage-gated potassium channels open at timepoint X than at timepoint Y.

 To obtain Doppler spectral waveforms the angle of insonation should be ≤60 degrees. The Doppler cursor should be  

DENDRITE: A dendrite conducts nerve impulses ______ the soma (cell body.)

The largest motor unit in the iliofibularis muscle was recruited when measuring both twitch tension (Pt) and tetanic tension (P0).

Timepoint X is within the cell’s absolute refractory period.

An engineer is conducting a test for the normal shockwave in the air. At a very high M1, the Mach number after the shockwave is calculated to be M2=0.385. Do you think this result is correct? 

What type of authority is given to an Agent by conduct of the Principal that reasonably leads a third party to believe the agent has authority?