Penn Foster Anatomy Questions And Answers 2023

depolarization is {Ans: the change in membrane potential that occurs when a nerve is stimulated}rotation of the head is detected primarily by the {Ans: semicircular canals}sensory neurons carry signals of {Ans: touch, taste, etc. to the brain}the basic structural and functional unit of the nervous system is the {Ans: neuron, or nerve cell}the _____connects the two halves of the brain {Ans: corpus callosum}which receptors are involved with the proprioception sense {Ans: stretch receptors in the muscles, tendons and ligaments}the autonomic nervous system perfroms functions that {Ans: don't require conscious thought, such as breathing, blood pressure, and heart rate}which causes the greatest degree of light refraction in the eye {Ans: cornea}the tactile sense is the sense of {Ans: touch}the reflective tapetum lucidum is formed on the {Ans: choroid}the primary purpose of a neuron is to {Ans: transmit an electrical signal that acts either to signal other neurons or to cause a change in a target organ, such as a muscle or gland}what is the correct pathway by which sound is transmitted between the ossicles of the middle ear {Ans: malleus, incus, stapes}central temperature receptors that monitor the body's internal