Biol 335 Exam 2 Review With Solutions

_________ receptors sense the acceleration of touch, whereas __________ are more likely to sense the duration of touch. {Ans: Phasic tonic}Neuron A innervates the postsynaptic cell at the dendrite, and Neuron B innervates the postsynaptic cell at the soma. _________ is more likely to elicit an action potential because of _______. {Ans: Neuron B, spatial summation}Communication between smaller neurons that use electrical synapses are likely to exhibit_____ due to small gap junction areas {Ans: Lower postsynaptic voltage}The __________ is likely activated after sleep, whereas the _________ can become activated due to anxiety from an exam. {Ans: Parasympathetic nervous system Sympathetic nervous system}Which of the following is unique to olfaction? {Ans: Olfaction relies on chloride ions for depolarization in case sodium concentrations are low.}Reciprocity in the stretch reflex is best illustrated by _______. {Ans: the simultaneous excitation of extensor muscles and relaxation of flexor muscles}