Arkansas Esthetician Practice Exam

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What are synapses?

Junctions for nerve impulses
Types of nerve cells
Muscle fibers
Blood vessels

The correct answer is: Junctions for nerve impulses

Explanation Synapses are specialized junctions between nerve cells that allow for the transmission of nerve impulses. Option B is incorrect because nerve cells are not a type of synapse but rather make up synapses. Options C and D are also incorrect because they do not involve nerve cells or impulses, which are essential for defining synapses. Therefore, A is the correct answer.