An action potential has reached the axon terminal of a presynaptic cell. As a result of the action potential you would expect the movement of __________ into the presynaptic cell and the movement of __________ out of the presynaptic cell. Calcium : neurotransmitter Sodium : calcium Neurotransmitter : calcium Sodium : neurotransmitter

Q: After an action potential, the opening of voltage-gated ________ channels and the inactivation of…

A: Action potential When nerve cell respond to a stimulus, it generates electric impulse which travel…

Q: During excitatory synaptic transmission, the electrical signal carried along the axon of a…

A: The point of electric nerve impulse transmission between two nerve cells (neurons), or between a…

Q: Increasing the amount of action potentials that arrive at the presynaptic terminal will: (Can pick…

A: An action potential is generated when there are a rapid rise and fall of membrane potential across…

Q: In a combination of excitatory or inhibitory synaptic connections the following is true it is poorly…

A: The Stretch reflex is an example of a monosynaptic reflex with direct connections between the…

Q: The refractory period goes from "absolute" to "relative" when:   The inactivation gate of Na+…

A: Introduction: When the stimulus strength reaches at least reach the strength of threshold, there is…

Q: If the membrane potential at the axon hillock becomes subthreshold, an action potential will be…

A: The region of the neuron from which the axon develops is known as axon hillock, and this region is…

Q: Of the below, what do neurotransmitters do?   stimulate presynaptic terminals.   remain in the…

A: Neurotransmitters are defined as the chemical messengers that allow the transmission of a message…

Q: Which of the following choices correctly fills in the blanks? After repolarization, the sodium ions…

A: The action potential is the process by which the signal propagates through the neurons, and this…

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: Discuss the steps that lead from the action potential arriving in the synaptic terminal to the…

A: Chemical transmission involves the release of a chemical messenger, which is known as a…

Q: Draw a chain of two neurons that synapse on one another in sequence. Label the presynaptic and…

A: Neurons are specialized cells responsible for transmitting information throughout the nervous…

Q: For each FALSE statement, explain why it is incorrect.

A: The afferent division transmits impulses from peripheral organs to the CNS. The efferent or motor…

Q: When ionotropic receptors allow the influx of ions, the postsynaptic cell depolarizes. When they…

A: The neurons are the cells of nervous system that has the conducting capability. The nerve impulse…

Q: What word is used to describe the summation of excitatory and inhibitory stimuli by a neuron?…

A: The nervous system is a complex system of nerves and specialised cells known as neurons. The nervous…

Q: Predatory cone snails are beautiful (picture below), but deadly - they release a cocktail of toxins…

A: The neurons have the capability of generation of action potential and also transferred this action…

Q: Put the events for action potential generation in a neuron in the correct order (From 1-9)

A: Action potential generation is a fundamental process in neurons, allowing them to transmit…

Q: Cocaine blocks the removal of dopamine from the synapse, leading to a rapid rise of dopamine in the…

A: A synapse is a gap between two neurons through which electrical impulses pass. The presynapse is the…

Q: The image below shows a presynaptic cell releasing neurotransmitters that are being bound by the…

A: Neurotransmitters refer to the chemical messengers that are responsible for the transmission of…

Q: An autonomic neuroeffector junction Has the same structure as a somatic motor neuroeffector…

A: Neuroeffector junction is a site where a motor neuron releases a neurotransmitter to affect a…

Q: The rising phase of the action potential is the direct result of the: O inflow of potassium O inflow…

A: A transient membrane potential reversal known as an action potential occurs when the membrane…

Q: A presynaptic axon neurotransmitter acts to increase the postsynaptic neuron's permeability to…

A: Nerve cells are excitable cells whose principal function is to cause propagation of electrical…

Q: f a patient was experiencing difficulty controlling their movement and displaying motor tremors and…

A: The nervous system can be described as an organ system associated with the flow of information from…

Q: These neurons belongs to the CNS: (More than one possible choice)     A neuron in the brain     A…

A: Neurons in the nervous system are the brain's fundamental functioning unit, a specialized cell that…

Q: You are investigating the effects of a new drug your lab has created. You have an intact synapse…

A: The neurotransmitter proteins are transcribed in the nucleus and translated in the cytosol following…

Q: A patient is given a drug that blocks the L-Type calcium channel blocker. Which phase of the action…

A: Signal transduction pathways translate signals received at the cell's surface into cellular…

Q: When they are not being stimulated, neurons have an electrical charge across their membranes called…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: Which of the following is not correct about neurotransmitters? -they are stored in vesicles. -after…

A: Nerve impulse transmission occurs through the process of polarization and depolarization.…

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: From an action potential traveling towards the presynaptic terminal to the potential change in the…

A: Ionotropic synaptic transmission This transmission involves the ionotropic receptors which are also…

Q: Neurotransmitters are released by the:   Question 6 options:   Post-synaptic membrane   Target…

A: Neurotransmitters are chemical messengers of the nervous system that are released by the neurons of…

Q: drug that binds with the receptor that the neurotransmitter binds with and opens ion channels is an…

A: Neurotransmitters are the sort of chemical messengers which bind to the specific receptor to produce…

Q: Neuroactive drugs, such as the antidepressant fluoxetine, function by affecting the metabolism of…

A: Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) antidepressant.

Q: What word is used to describe the release of neurotransmitters to stimulate another cell?

A: Neurotransmitters are chemicals released from axon terminals when their vesicles fuse releasing the…

Q: What property is responsible for the smaller steady state DVm in the postsynaptic cell compared to…

A: The electrical activity in a neuron is characterized by the difference between the resting membrane…

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: Illustrate how you would set up a voltage clamp experiment to study the eletrochemical propertis of…

A: a research technique employed by electrophysiologists to detect the ion currents flowing across the…

Q: starting with an axon that is maintaining a resting potential, describe the sequence of events that…

A: Answer: AXON = It is the part of the neuron , which is long, slender in structure , which conducts…

Q: Which of the following pairs of terms is correctly matched?   Voltage-gated calcium channels :…

A: Correctly matchedTransmission of chemical synapses occurs when a nerve impulse reaches the…