Sensory encoding of the perceived location of a stimulus depends on
A) the frequency of action potentials.
B) which labeled line is active.
C) the specific location of the cortical neuron that is stimulated.
D) the specific sensitivity of the peripheral receptor.
E) the number of receptors stimulated.
C
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Which of the following possibilities is incorrect? During the mammalian cardiac cycle, the right ventricle contracts less forcefully than the left because
A) The distance the blood must travel is shorter. B) Of the low total resistance of the pulmonary circuit. C) The blood vessels of the lungs are delicate. D) The capillary bed offers high resistance.
Label E represents which structure?
A) circular fold
B) submucosa
C) muscularis externa
D) serosa
E) mucosa
A muscle fiber will respond to a stimulus when that stimulus reaches the _____ level
A. threshold B. relaxation C. rigor mortis D. recruitment E. resting
Which of the following statements regarding hormone transport and distribution is FALSE?
A. Plasma protein concentration has no influence on free hormone concentration. B. Only free hormones can diffuse through capillary walls and bind to target tissues. C. Hormones can be transported free in the plasma or bound to plasma proteins. D. Hormones bind only to certain types of plasma proteins. E. All of the statements are true.