After the depolarisation phase of an action potential, the resting potential is restored by ______.

Q: The Na+/K+ pump is important for ________ in neurons. A) the depolarizing phase of the action…

A: Neurons are the basic structures and functional units of the nervous system. The axon or the…

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: Use Figure Q1(b) of an action potential to answer questions (i) until (iv) below. Choose the correct…

A: The neurons have the capability of generating and transmitting nerve impulses throughout the body.…

Q: neuron

A: An action potential is triggered by a graded potential that causes the membrane to depolarize until…

Q: After discussing his case with his physician, he learned that he had probably been the victim of…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first 3…

Q: 1) When threshold (-55 mV) is reached: a) voltage-gated K+ channels immediately open. b) Na+…

A: Step 1 The membrane potential is the transmembrane electric potential difference measured from…

Q: excitatory and 15 inhibitory postsynaptic potentials appear simultaneously on the plasmatic membrane…

A: EPSP is the excitatory postsynaptic potential. This is the graded potential whose function is to…

Q: 2. a) sensation). the doctor decides to check the resting potential of her sensory nerves. The…

A: Answer--

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: Please answer  3) Which of the following keeps the impulse traveling in one direction down the…

A: The nerve impulse helps in performing the motor and sensory functions of the body. The nerve cells…

Q: Figure 1 shows a schematic of an action potential. How do voltage-gated sodium channels contribute…

A: A neuron can take input from the other neurons and, if the input is powerful enough, convey the…

Q: During the _____ phase of an action potential, both gates of the voltage regulated sodium channels…

A: The action potential (AP) is generated by the neurons and the muscle cells. The AP is comprised of…

Q: Sodium, chloride, and potassium ions are involved in setting up voltages across neuronal membranes.…

A: The voltage difference between an intracellular space and the extracellular space is known as a…

Q: Which one of these is an example of an excitatory postynaptic potential in a typical neuron? a) A…

A: Introduction EPSPs Are Connected With A Transmitter-induced Increase In The Synaptic Membrane's Na+…

Q: Which of the fallowing is required to generate a membrane potential? I. A concentration gradient of…

A: Thank you for the question  Answer = The correct answer is option D ( 1 and 3) Membrane potential is…

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: Which factors in the establishment of the membrane potential are considered in the Nernst equation?…

A: Resting membrane potential is defined as the electrical potential difference across the cell…

Q: The figure below may help in answering some of the questions. 1. What ions are flowing (and in which…

A: The neurons are the cells of nervous system that is responsible for generation and transmission of…

Q: The sodium-potassium pump is really important to the functioning of neurons. (a) What does it do?…

A: The neurons in the nervous system have the capability of producing and conducting electrical…

Q: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: What is the point A on the graph? Define this term. B) What ions are moving at B on the graph, what…

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

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: What two factors generate the resting membrane potential?

A: Resting potential can be defined as the imbalance of the electrical charge between the interior and…

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: 12) when K+ voltage-gated channels open, which of the following occurs? a) depolarization  b) both…

A: In that they repolarize activated neurons to their resting state, voltage-gated potassium channels…

Q: A loss-of-function mutation in the ion channel responsible for the generation of end-plate…

A: Introduction:- Mutation is defined as the heritable changes in the genetic material of an organism.…

Q: neurology, Will abolishing extracellular calcium concentration prevent electrical neuro transmission…

A: When the action potential reaches the nerve terminal, it activates voltage-dependent calcium…

Q: What are the roles of membrane fluidity in neuron function with regards to metabotropic mechanism(s)…

A: Neuron: A neuron is a specialized type of cell that is the basic unit of the nervous system. Neurons…

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: The all-or-none principle, associated with the action potential, states that once membrane potential…

A: Neurons are responsible for the electromagnetic conduction of the signals in the form of stimulus.…

Q: In SA nodal cells the upstroke of the action potential: A)is characterized by a substantial…

A: The sino atrial node is the pacemaker of the heart. The cells of the sea node have a particular…

Q: D) The concentration of this ion and negatively charged proteins is much greater inside the cell…

A: The Neuron's membrane consists of sodium to be present in large quantity in the extracellular part…

Q: The concentration of potassium ions inside a nerve cell membrane is higher than the concentration of…

A: Similar to plasma membranes, the membranes of neurons also contain selective permeability. This…

Q: Is an action potential transmitted faster between cells connected by anelectrical synapse or by a…

A: In neurophysiology, the term action potential is used to describe the electrical form of messages…

Q: A neuron is moving from a voltage of -60 mV to -40 mV. This neuron is .... A) hyperpolarizing B) is…

A: Neurons(nerve cells) are defined as the basic unit of brain where they play a major role in…

Q: A sodium channel in a nerve membrane a)Inactivation gate closes when the membrane reaches ~+30 mV.…

A: These are integral membrane proteins that form ion channels,  conducting sodium ions through a…

Q: 13) Draw a graph representing the changes in membrane potential across the axonal membrane before,…

A: The electric signals that flow down the dendrites to form a nerve impulse or an action potential are…

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: List the membrane potential value that would coincide with the following events: a. Resting…

A: The neurons have the tendency to transmit the physical stimulus in the form of an electrical…

Q: Explain how the transmission of an action potential would be impacted if voltage- gated calcium…

A: The transmission of nerve impulse from one neuron to the next neuron occurs at the synapse that is…

Q: what is the role of (1) electrochemical gradient created by ions, (2) permeability of the membrane…

A: There are a lot of ions present inside  and outside the cell. From time to time these ions adjust…

Q: ) Neurons cannot respond during the absolute refractory period because: a) the concentration…

A: The absolute refractory period starts immediately after the initiation of the action potential and…

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.