Stimulus intensity, or strength, is encoded in
a. the amplitude (height) of the action potential with stronger stimuli eliciting taller action potentials.
b. duration of a single action potential with stronger stimuli eliciting overshoots with more area under the curve.
c. frequency of action potentials with stronger stimuli eliciting higher frequencies.
d. faster conduction velocities with stronger stimuli resulting in more rapid depolarization of contiguous segments of the axonal membrane.
e. all of these.
C
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All of the following are true of epidermal ridges except that they
A) extend into the hypodermis. B) increase surface area and friction on fingertips. C) cause ridge patterns on the surface of the skin. D) produce patterns that are determined partially genetically. E) interconnect with the dermal papillae.
The anterior __________ branch of the left coronary artery supplies blood to both ventricles.
Fill in the blank(s) with the appropriate word(s).
The idea that not all training will be beneficial to all people within an organization encompasses the analysis of...
A. The task B. The person C. The organization D. The ability
The figure illustrates a cross section of the spinal cord. Which structure is indicated by "C"?
A. Central canal B. Spinal nerve C. Ventral root D. Dorsal root ganglion E. Dorsal root