For a ganglion cell that has a red ON center and Green OFF surround, explain how frequent these ganglion cells would fire an action potential in the following situations: b. When red color hits the center only.

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: Which cells myelinate the axons of central and peripheral nervous system neurons? Why is myelination…

A: Myelination is a process by which the axons of nerve cells are covered by a fatty insulating layer…

Q: The figure illustrates the receptive field of an OFF-center ganglion cell under different light…

A: There are two sorts of ganglion cells: ON-center and OFF-center. An ON-center cell is stimulated…

Q: Which of the following statements best describes the properties of a myelinated axons?     The…

A: Axons are surrounded by a multilayered protein and lipid covering, called the myelin sheath. Such…

Q: Explain two possible reasons for neuron 2 not firing.

A: An action potential happens when the voltage or membrane potential of the cellular membrane, rapidly…

Q: toxin creates pores that are permeable to Ca2+. Describe its immediate effect on the resting…

A: Action potential the action potential is defined as the rapid rise and fall in the membrane…

Q: A. Why small children (generally before and around the stage of toddlers) tend to fall, while later…

A: We are answering first part. Kindly repost the second part.

Q: An EPSP causes a depolarization of 15 mV on a proximal dendrite.  At the same time, an IPSP causes a…

A: The excitatory postsynaptic potential (EPSP) refers to the change in membrane potential of a…

Q: myelination of an axon is decreases the speed of actio potential. a) true  b) false

A: The myelinated axon can be compared to an electrical wire (the axon) with protecting material…

Q: A sharp immediate pain is probably carried by a/an:   C fiber with thin diameter and without…

A: Introduction: Nociceptors can be defined as sensory receptors that send signals that cause pain…

Q: Multiple axons in the peripheral nervous system bundled together by layers of connective tissue form…

A: The nervous system is like the central control unit of the body and controls and responds to stimuli…

Q: Assumine that you had an agonist and an antagonist for every autonomic transmitter receptor, how…

A: Introduction: The agonists are the molecules that bind with a similar receptor where the natural…

Q: Explain how stimulus intensity can be coded by action potentials if all action potentials are…

A: Despite the immense complexity of the brain, an understanding of its work can be obtained by paying…

Q: IN neurology, is postsynaptic potential mediated by chloride conductance when Vr ( -80mV) and Ecl =…

A: Synapse is the area of the junction between the two Nerve cells in which the first nerve cell from…

Q: Write the differences between P-wave and T-wave.

A: ECG stands for electrocardiogram. It is a technique in which the cardiac action potentials of the…

Q: An individual diagnosed with CMT has difficulty holding a cup because: a. The myelin in the motor…

A: CMT It is also known as Charcot-Marie-Tooth disorder. This degenerative nerve disease is a…

Q: Assume a neuron is at rest and the following changes happen: Step 1: Neurotransmitter binds to an…

A: Neurotransmitters are compounds secreted from neurons at the synapse. The neurotransmitters can…

Q: a channel can be gated mechanically, voltage or by a ligand. When you hear a sound all three of…

A: Ligand-gated channels have a significantly enhanced permeability when a chemical ligand attaches to…

Q: describe how the membrane potential varies over time AND distance as a graded potential move across…

A: All cells have a membrane potential which is known as electric membrane potential. The active…

Q: What is a typical speed of action potential propagation in the absence of myelination?  (Not the…

A: Brain cells called neurons send data and guidelines all through the cerebrum and body. The data is…

Q: Identify and describe the following on the diagrams below:   1. Dendrites   2. Axon   3.…

A: Our nervous system is a complex network of cells and nerves and it helps to carry/transmit…

Q: During extreme dehydration, plasma K* can increase to as high as 10 mM. (A) What would the membrane…

A: Introduction  When you use or lose more fluid than you consume, your body becomes dehydrated because…

Q: Name four types of glial cells in the Central Nervous System, and list a function for ea of these…

A: Glial cells, consisting of microglia, astrocytes, and oligodendrocyte lineage cells as their major…

Q: Name and describe the roles of key molecules and membrane structures in maintaining axon membrane…

A: The roles of key molecules and membrane structures are important in maintaining axon membrane…

Q: You have a photoreceptor cell in a dish. You are recording its membrane potential while flashing…

A: Answer :- Option (B) is correct. - The cell depolarizes, with brighter light causing more…