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

Q: In the figure to the left, name the 4 phases of the action potential (Note: you have to write in…

A: Hello! Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A neuron with a resting membrane potential of -75 mV receives multiple inputs giving rise to the…

A: The action potential is a condition of a nerve impulse or electrical activity when there is a…

Q: Rank the following neurons for their speed of conduction from fastest to slowest: Ranskik die…

A: Brain is the main center for receiving the impulses from different parts of the body and sending…

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: Which of the following sentences is NOT correct? A. Axon can branch B. Afferent neurons are…

A: Axons can divide into many branches called telodendria. At the end of each telodendron is an axon…

Q: Match the description with the statement that best describes the following regions e dendrites +…

A: Neuron:

Q: Read the following statements (a) The resting nerve membrane is freely permeable to Na*, K* ions and…

A: B and C

Q: The neuromuscular junction is similar to synapses in the central nervous system in that: (SELECT ALL…

A: The neuromuscular junction is a specialized synapse that connects a motor neuron to a muscle fiber.…

Q: An undisclosed drug (Drug A) is a drug that can block voltage-gated K+ channels when being…

A: Snake venoms that are neurotoxic mainly impact the neuromuscular junction, disrupting…

Q: The exocytosis of the synaptic vesicles depends on:

A: Synapse is the junction between two neurons. It is formed between the dendrites of one neuron and…

Q: A 100-um diameter nerve axon has the following properties: rm = 2.5 x 104 ohm x cm, ri = 1 x 105…

A: The resting Vm is the membrane potential when no current is flowing through the axon. It is the…

Q: Label the structures in the following diagram of a neuron.

A: We can say that the neuron is the building block or fundamental unit of the nervous system. It is a…

Q: Action potentials are normally initiated at the axon hillock because a. there is a particularly high…

A: When the membrane potential of a given cell location rapidly rises and falls, an action potential…

Q: Choose the item in column 2 that best matches each item in column 1…

A: The nervous system of our body is concerned with the functions of sensory reception, processing, and…

Q: Action potentials are changes in membrane potential that are localized to a small area of the plasma…

A: Answer :  Movements potential travels alongside a neuronal axon: The action capability is pushed…

Q: 14) Review the process by which an action potential is conducted across a synapse. Suppose that in…

A: A neuromuscular junction is a biochemical synapse between muscle fiber and a motor neuron. It…

Q: Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of…

A: Neurilemma is also known as sheath of Schwann is the outermost nucleated cytoplasmic layer of…

Q: Which of the following primarily reflects the opening of voltage-gated Na* channels? A. The resting…

A: Voltage-gated Na+ channels are gated, meaning that they can be opened or closed in response to…

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: Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of…

A: Schwann cells are the major glial cells found in the peripheral nervous system (PNS). They provide…

Q: Voltage-gated Na+ channels are.... (select all that apply).  Group of answer choices: A. Opened by…

A: The channels are basically membrane proteins that act as transport protein through which various…

Q: Another name for the axon of a neuron is:- a. nerve fiber. b. neurofibril. c. neurilemma. d.…

A: Answer- Neuron is the main cell of the nervous system that helps in conduction of nerve impulses or…

Q: Neurotransmitters released by pre-synaptic vessels are received by what type of proteins in the…

A: Neurotransmitters are chemical messengers that help to transmit neural signals from one neuron to…

Q: Which of the following statements correctly describes the function of mitochondria found in axon…

A: Mitochondria are (double)membrane-bound cell organelles that generate large amount of chemical…

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: This graph shows the relative voltage of a neuron's cytoplasm near the plasma membrane relative to…

A: * There are three stages in membrane potential  Depolarization  Repolarization Hyperpolarisation…

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: All the following are the right description of communication between neurons EXCEPT Select one: a.…

A: Neurons communicate with one another by means of electrical impulses called action potential' and…

Q: Is an action potential more or less likely when the consumption of the Fugu toxin and is stimulated…

A: An action potential is a rapid and brief electrical signal that is generated by nerve cells, or…

Q: Use what you know about the physiology of neurons to answer the following questions. Treat questions…

A: Resting membrane potential is a state in which normally the neuron remains in, when there is no…

Q: Make an illustration that discusses the Polarized state (mV inside the neuron, ions present/abundant…

A: Neuron like any other cell is surrounded by a plasma membrane which is Semi permeable that is it…

Q: The Structure of the acetylcholine receptor is shown below:   D. Briefly indicate what the role of…

A: Acetylcholine is a neurotransmitter at various synapses, nerves, and at the motor endplate of…

Q: You generate action potentials in a neuron bathed in solution in a petri dish by applying a…

A: An action potential is a rapid sequence of changes in the voltage across a membrane. This action…

Q: In Japan, the consumption of “Fugu” (a kind of sashimi sushi) is considered to be a “manly” act. The…

A: Fugu is a type of pufferfish that is considered a delicacy in Japan. It is typically served as…

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: At a chemical synapse, an action potential triggers an influx of Ca2+ which . Select one: O A.…

A: When the action potential reaches the presynaptic neuron terminal, it activates the voltage-gated…

Q: Which of the following statements regarding polarized membranes is incorrect? a. There is a…

A: At rest, the ionic composition of the interior and outside of a neuronal membrane varies. As a…