*NURSING > EXAM > Sophia Human Biology Unit 3 Challenge 1 Questions With Latest 100% Correct Answers(UPDATED VERSION) (All)
Sophia - Human Biology - Unit 3 Challenge 1 1 — Neurons Identify the components, types, and functions of neurons. Which part of the neuron transmits signals to other neurons, glands or muscle cel... ls? • a.) Axon endings • b.) Dendrites • c.) Cell body • d.) Trigger zone 2 — Membrane Potential and Action Potential This lesson will describe how the differences in concentrations of ions across a plasma membrane set the stage for a nerve impulse. Which is the correct sequence of the flow of nerve impulses in a neuron? • a.) Nucleus → Cell body → Dendrite • b.) Axon → Cell body → Dendrite • c.) Dendrite → Axon → Axon terminal • d.) Dendrite → Axon terminal → Axon 3 — Neurotransmitters This lesson will describe neurons communicate when sending a signal through the nervous system. What is the name of a synapse that stores a neurotransmitter for release? • a.) Presynaptic cell • b.) Action potential • c.) Postsynaptic cell • d.) Botox 4 — Nerves as Information Pathways This lesson will explain a reflex as the simplest nerve pathway as well as briefly describe the structure of a nerve. A __________ is an automatic movement in response to a stimulus, such as jerking your lower leg when your knee is struck with a mallet. • a.) threshold • b.) trigger zone • c.) reflex • d.) synapse [Show More]
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