which of the following statements is false with regard to cell electrical impulses? a. an impulse begins when chloride ions are allowed to rush inside the cell b. depolarization is when the relative charges across the membrane have switched due to ions crossing the membrane c. repolarization refers only to the relative charges across the membrane being restored, even when the ion balance is not returned to normal yet d. ionic balance is brought back to resting potential by the sodium-potassium pumps

Q: Which of the following statements about membrane ion channels is incorrect? a. mechanically gated…

A: Ion channels are located in the membrane. They can be voltage-sensitive, ligand-gated, or…

Q: Na+, K+, and Ca2+ curr

A: Driving force refers to the difference between the actual membrane potential and an ion's…

Q: Which of the following is the most important contributor to the difference between the resting…

A: A membrane's voltage varies rapidly in a series known as action potentials.

Q: Katrina has an aldosterone imbalance. What does Catrinas hormone feedback loop look like? When…

A: Introduction :-

Q: Draw a sketch of a graph showing a complex AHP consisting of a first component AHP, an ADP, and a…

A: AHP is the afterhyperpolarization while ADP is afterdepolarization. In AHP the membrane potential…

Q: a) Explain in detail what is occurring at stage A in the graph. (Be specific in terms of what's…

A:

Q: What condition is required for a specific ion to contribute to resting membrane potential?

A: Membrane potential is the difference between the electric potential on two sides of the membrane i.e…

Q: Under which conditions could the opening of a chloride channel actually depolarize a neuron rather…

A: Ion channels are transmembrane proteins that allows specific Ions to move across the membrane along…

Q: Hyperkalemia was discussed at length in this module.  If a cell is experiencing hyperkalemia, what…

A: Question-  Hyperkalemia was discussed at length in this module.  If a cell is experiencing…

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: 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: 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: gradient is responsible for both the resting membrane potential and the action potential in the…

A: resting  neuron has a certai. voltage across its membrane called the resting membrane potential.

Q: Identify the stages involved during the changes in membrane potential of the neuron represented in…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: Select one: a. increased amount of ATP b. movement of chlorine down its concentration gradient c.…

A: Introduction  Information is transmitted via neurons. They communicate between various brain regions…

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: Explain why the inside of the membrane changes form a jet negative charge to a positive charge at…

A: Whenever a nerve impulse is communicates from a cell body, the sodium directs the cell membrane open…

Q: Which of the following intracellular potentials would have the greatest electrical attraction for…

A: Cell Membrane potential is a potential slope that forces ion particles to move in one side. positive…

Q: At the peak of an action potential, would the relative permeability of Na be higher than K? Which…

A: Generation of nerve impulse in nerve  fibres depends upon distribution of sodium and potassium in…

Q: In the introduction section the authors wrote “In general, the polarity-dependent mechanisms are…

A: Anodal stimulation is a type of electrical stimulation that involves passing a positive electric…

Q: A person is given a drug that blocks the voltage-gated sodium ion channels in the plasma membrane of…

A: The Acetylcholine is one of the most vital neurotransmitter in the human body, that is seen in both…

Q: Depolarization and repolarization changes that occur during the action potential are produced by…

A: Introduction: Just neurons and muscle cells are fit for creating an action potential and that…

Q: Describe the “all-or-none” principle of action potentials. Does the restoration of a resting…

A: In human physiology, the phenomena of action potential refers to the rapid changes in the membrane…

Q: Current pulse to presynaptic cell Voltage recorded in presynaptic cell Voltage recorded in…

A: A rapid, quick, reversible, and spreading shift in the potential of the resting membrane is referred…

Q: describe what the resting membrane potential of a cell is. What is the resting membrane potential of…

A: Resting membrane potential occurs because of changes in permeability of membrane for…

Q: Which one of the following is true of the concentrations of ions inside and outside of an…

A: A neuron, also known as a nerve cell, is an electrically excitable cell that communicates with other…

Q: The membrane potential across a cell membrane can be thought of as a "blend" or weighted average of…

A: The membrane potential can be described as a potential gradient that enables the unidirectional flow…

Q: Explain, how and why the cells swell up (or even burst) if their Na/K pumps stop working.

A: A transmembrane ATPase which is responsible for pumping sodium ions out of the cell and bringing…

Q: Which of the following statements relating to depolarization is incorrect? a. it is a reduction in…

A: The central nervous system consists of numerous specialized cells called neurons. The neurons are…

Q: The resting membrane potential is a negative value because of:

A: The resting potential of a neuron is constrained by the distinction in complete charge between…

Q: You attempt to generate an IV plot for GABA channels in cultured neurons. You apply pentobarbital…

A: GABA ( Gamma Amino Butyric Acid) is an inhibitory neurotransmitter secreted by our neurons to…