factors responsible for a negative resting membrane potential include: check all that apply:   a. Na K pump  b. different carrier proteins  c. uneven distribution of ions  d. difference in permeability of ions  e. high potassium concentration in ECF

Q: Depolarization causes: • Changing membrane permeability for Na • Changing membrane permeability for…

A: When an action potential generates a change in electrical potential can be seen and it runs along…

Q: Voltage-gated sodium channels are open and allowing sodium to flow when: O The membrane is at the…

A: When the membrane potential of a particular cell site rapidly increases and decreases, an action…

Q: Which of the following contribute(s) to the resting membrane potential?a. the relative leakiness of…

A: The neural system is composed of specialized cells. These cells are nerve cells (neurons). The…

Q: This patient's hypokalemia was due to his profuse sweating the previous day and the subsequent loss…

A: Potassium is a mineral, our body cells need this, it regulates our major body parts functions such…

Q: Which factors determine the resting membrane potential? Explain why the resting membrane potential…

A: An action potential is a phenomena that happens when the voltage of a membrane rapidly increases and…

Q: Voltage-gated K+ channel senses voltage across the plasma membrane and  permits selective passage of…

A: A rapid and large changes in membrane potential of nerve cells during which the potential actually…

Q: Describe how the magnitude and polarity of the sodium and potassium membrane currents vary with the…

A: The activation of a neuron or muscle fiber is mediated through the modulation of its membrane…

Q: Describe the events that must occur to generate an AP. Relate the sequence of changes in…

A: The action potential is a quick increase and succeeding fall in membrane potential or voltage across…

Q: Consider this graph: Membrane potential (mV) +40 -10 -60 02 4 6 8 10 Time (ms) During this phase…

A: Step 1:

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: What is the equilibrium membrane potential due to  Na+   ions if the extracellular concentration of…

A: A biological cell is an enclosed structure composed of a lipid bilayer, as well as proteins,…

Q: a. If one reduced the extracellular concentration of Na+ around a neuron, what would happen to the…

A: All cells have an electrical potential difference or membrane potential across their plasma…

Q: Which of the following BEST explains the inside negative potential in resting neurons? sodium flows…

A: This explanation is accurate because, in resting neurons, the membrane is primarily permeable to…

Q: The potential difference that must be met in order for an action potential to be generated When the…

A: Action potential An action potential is defined as an electric impulse that travels down through a…

Q: eurons have a resting membrane potential of ___________________.   varying votage as type and…

A: The resting potential is mostly determined by the concentrations of the ions in the fluids on both…

Q: Hyperpolarization is defined as an increase in membrane potential toward zero.

A: Hyperpolarization occurs when the membrane potential becomes more negative at a particular spot on…

Q: Describe the changes in membrane permeability that underlie the membrane potential changes

A: The human body is formed from totally different organs and organ systems. There are eleven…

Q: Explain A Miniglossary of Terms Describing the Membrane Potential

A: The difference in electrical potential across the plasma membrane of the cells is referred to as…

Q: Ion channels can open or close based on electrochemcical gradient.

A: Ion channels are proteinaceous pathways that allow the passage of ions across a membrane at rates…

Q: Given that tissue A has significantly more K+ leak ion channels thantissue B, which tissue has the…

A: Resting membrane potential is considered a product of the ion distribution across the membrane and…

Q: Describe the events that occur during action potential  ANSWER SHOULD INCLUDE: Explanation of how…

A: Action potential is defined as the sudden, fast, propagating change of resting membrane potential…

Q: The cleft is a flat disk between the two membranes, radius L= 250 nm and thickness d=20 nm. The…

A: Acetylcholine is a neurotransmitter that is responsible for the dilation of blood vessels,…

Q: a. If one increased the extracellular concentration of K+ around a neuron, what would happen to the…

A: Resting membrane potential is negative because the negative charge is present inside the cell which…

Q: Why is action potential considered an “all or nothing” event. (Short answer)

A: An action potential occurs when a neuron has reached a state in which an electrochemical stimulus is…

Q: Identify the differences between type A and type B intercalated cells;  under which condition is…

A: Nephrons are the functional units of the kidneys. A nephron consists of tubules and associated…

Q: How would a long-term diet completely lacking in salt affect the action potential process

A: An action potential is a self-regenerating wave of bioelectrical depolarization that travels along…

Q: Describewhat role potassium plays in healthy, normal excitable cells. First, describe what potassium…

A: The resting membrane potential is the result of the development of a few diverse ion species through…

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: Describe the action potential in terms of the different functional states of the voltage- gated Na+…

A: Introduction   Action potential is the short term change in the electric…

Q: Dr. Brainy creates a nerve cell that is only permeable to Caesium ions (Cs+1) at rest. She measures…

A: Nernst Equation: Dr. Brainy likely used the Nernst equation to calculate the Equilibrium potential…

Q: What role does potassium play in the action potential process.

A: The action potential is caused when the membrane potential of a specific cell rises and falls. This…

Q: Explain action potential generation in terms of cell potential, ionic concentrations, movement of…

A: An action potential occurs in many cells of animals such as muscle cells, neurons, endocrine, and…

Q: The change of membrane potential from -70mV to -90 mV is hyperpolarization. T/F

A: Introduction: An action potential is explained as the brief sequence of events in the membrane…

Q: Explain what is going on at sites A, B, C, D, F and G in relation to CHARGE (negative, positive,…

A: Action potentials are electrical impulses that neurons use to interact with one another. The…

Q: List the Forces influencing sodium and potassium ions at the resting membrane potential?

A: The voltage across a cell membrane during the resting stage is known as the resting membrane…

Q: Describe the ion movement across the cell membrane during the following stages: resting potential,…

A: Nervous system is a type of body system which helps in transfer of impulse from one part to another…

Q: Consider the brain and spinal neurons. If you bathed a resting neuron with an excess of potassium…

A: The brain and spinal cord neurons are responsible for transmitting electrical signals throughout the…

Q: The traces below show the action potential waveforms in an external meidum of different…

A: Nerve impulse refers to an electrical or chemical signal that is transmitted along a nerve fibre.…

Q: Our patient cannot remove potassium from their extracellular fluid. This is known as hyperkalemia.…

A: Hyperkalemia is a medical term given to a person having a potassium level in his or her blood that's…

Q: Explain why alterations in potassium concentrations have more powerful effects on membrane resting…

A: The plasma membrane of almost every cell in the body maintains a resting potential. However the…

Q: Factors responsible for a negative resting membrane potential include (Check all that apply) O High…

A: The negative resting membrane potential of a cell is the membrane potential which is maintained in…

Q: Describe how you could determine the Equilibrium Potential of either sodium or calcium based on what…

A: The electrical potential difference across the cell membrane that exactly balances the concentration…

Q: Refer to the graph. Probability of Nat channel opening 0.8 0.6 0.4 0.2 0 -80 -60 -40 -20 0 20 40 60…

A: The action potential in neurons plays a pivotal part in the transmission of electrical signals…

Q: If the resistance of the neuronal membrane goes from 250 Mᘯ to 500 Mᘯ, which of the following is…

A: The cell membrane of a neuron is composed of a phospholipid bilayer. It consists of a mosaic of…