Match the description with the statement that best describes the following regions e dendrites + axon hillock A. elongated projection that conducts electrical signals over long distances B. receives input from other neurons + axon C. "region of high denisty of voltage-gated channels, known as the trigger zone" * synaptic knob D. contains numerous vesicles containing neurotransmitter

Q: a.Would an action potential travels faster in an axon with a wide diameter or a small diameter? b.…

A: The structural and functional unit of the nervous system is called a neuron. A neuron is composed of…

Q: Put the following in the correct order. A. Neurotransmitter release B. Ca2+ entry into the…

A: Nerve cells called neurons are responsible for sending instructions throughout your body to perform…

Q: During a typical action potential in a nerve, which of the following is happening?  Multiple…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: A perturbation that alters the membrane potential at a site on a neuronal axon will pass to…

A: Ion transport through ion gated channels is an example of passive transport because energy is not…

Q: Which of these statements applies to the end plate potential? a. It occurs because of Na+ movement…

A: Introduction Endplate potentials (EPPs) are the voltage potential created at neuromuscular junctions…

Q: Which of the following insulates and protects a neuron’s axon, as well as helps speed along…

A: Introduction:- Nervous system consist of a network of specialized cells called neurons (nerve cells)…

Q: Answer the following questions in regards to voltage-gated channels in the neuron: a. What is the…

A: The neurons are the functional units of the nervous system that helps in sensory and motor…

Q: A neuron without an axon would be unable to     a. conduct nerve impulses     b. divide     c.…

A: A neuron is a structural and functional unit of the nervous system. It is capable of perceiving any…

Q: increases the probability of producing an action potential, where a ________ decreases the…

A: Depolarization increases the probability of producing an action potential, where a hyperpolarization…

Q: The cell body of a neuron does all of the following except a. release neurotransmitter into the…

A: The Cell body is the neuron's core and it is also called the soma. It carries genetic information,…

Q: Which of the following is NOT an example of communication that happens from one neuron to another…

A: Answer: - Option a - Endocrine signalling (ex. hormones secreted into the bloodstream travel and…

Q: When a neuron’s resting potential is occurring, the neuron is __________ charged on the inside. a.…

A: Neuron is a cell present in the nervous system that is accountable for receiving and transmitting…

Q: Damage to the axons in the spinal cord is typically permanent and debilitating. One promising avenue…

A: Neuroglial cells are nonexcitatory supporting cells that are present in both central(CNS) and…

Q: The difference in charges across the plasma membrane of anunstimulated neuron is calleda. an EPSP.b.…

A: A neuron refers to the structural and functional unit of the nervous system which is involved in the…

Q: I. These forms the specialized junctions called synapse. A. Cell body B. Glial cells C. Synaptic…

A: Introduction :- The point of transmission of electric nerve impulses between two nerve cells…

Q: What is the conduction velocity of the action potentil in a myelinated axon of the nerve cell?

A: The conduction velocity is the speed in which electrochemical impulse propagates down a neural…

Q: Action potential conduction velocity is more rapid in a myelinated axon than an unmyelinated one…

A: The myelinated and unmyelinated nerve fibers are the two types of nerve fibers.  Myelin is a fatty…

Q: Neurotransmitters are released from neurons due to the opening of ____________. Select one: a.…

A: Neuron is the sub unit of nervous system. It helps in coordinating the different body parts via…

Q: The two primary factors that influence the speed of an action potential propagation are axon…

A: The nervous system is an exceptionally complex piece of a creature that arranges its activities and…

Q: A local potential will only lead to an action potential if is reached O a. depolarization b. resting…

A: A sudden, rapid, transitory, and spreading change of resting membrane potential is an action…

Q: An inhibitory presynaptic neuron can affect a postsynaptic neuron bya. producing an IPSP in the…

A: The communication of neurons with one another occurs at the site of the synapse, where two nerve…

Q: Myelinated and unmyelinated neurons requires _________ to propagate action potential down the axon.…

A: Neurons are the electrically excitable cell in our body which communicate with the other cell by a…

Q: The rate of information transmission from the central nervous system (CNS) to an effector organ will…

A: Nerve impulses or action potentials are electrical signals that travel along the length of a neuron.…

Q: Where is the action potential generated initiated in the neuron? Select one: a. Nucleus of the…

A: The action potential is defined as the series of electrical changes that occur in membrane potential…

Q: ILLUSTRATE the following and give their function: A. Cross Section of a Nerve B. Cross Section of…

A: The organ system which coordinates the behavior of a person and transports the signals between the…

Q: The is morphological difference between bipolar neurons and unipolar neurons and that determines how…

A: As you are reading this book, think about the organs that are functioning within you right now! Your…

Q: Neuron 1 fires an action potential, releasing neurotransmitters to neuron 2.  However, neuron 2 does…

A: The neurons are the nerve impulse generating and transmitting cells in the nervous system. The…

Q: Neurons have three main components. Describe the function of each one a. Dendrites b. Cell body…

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: nsulate parts of the neuron axon but not the cell ba are fatty menmbranes. are formed by glial…

A: Myelin sheaths are fatty tissue coverings that protect nerve cells. These cells are part of your…

Q: Excitatory postsynaptic (EPSP'S) the resting membrane potentials A. have little or no effect b…

A: A current generated in our body in the membranes of the neuron cells. It is due to voltage…

Q: What determines the effect of neurotransmitter release on the post-synaptic neurons?  a. the size of…

A: Neurotransmitters are chemicals responsible for carrying a signal or an impulse via a synapse. They…

Q: Which one is correct about the AP conduction velocity of nerve fiber A. Increase of the temperature…

A: Action potential spreads from the region of the sensory neurons that accept the stimuli till the…

Q: of the following is true of axons?

A: Axons are the distal part of the neuron. There are two types of axons. The myelinated nerve fibres…

Q: Question 2: Action potentials 1. Aneuron is isolated and placed in a bath of normal ECF solution.…

A: Introduction An action potential is a characteristic pattern of sudden rise and subsequent decline…

Q: What statement about synapse activity is false? A.The input of sodium ions by AMPA receptors is…

A: The actual location where information is passed between neurons is at synapses. The connectors known…

Q: Neurotransmitters must pass from an axon terminal to the next dendrite by crossing a fluid-filled…

A: Neurons facilitate communication in the brain. A neuron is made up of dendrites (receives…

Q: Label: a.axon. b. myelin sheath c. cell body . d. dendrite

A: Neurons or nerve cells are the smallest structural and functional unit of the nervous system. They…

Q: Predict what would happen if the calcium ion channels in the axon terminal were blocked   a. It…

A: The message is transmitted across the nervous system in the form of nerve impulse. The neurons are…

Q: Lypically 10 the membrane potential at which a gra mv to 20 mv depolarized both of these.

A: Resting membrane potentials are maintained by 2 differing types of particle channels: the…

Q: Summationa. is caused by combining two or more graded potentials.b. occurs at the trigger zone of…

A: The action potential is the temporary shifts in the potential of the neuronal membrane which results…