How to write a Chemical neurotransmission nursing essay (Solved)

How to write a Chemical neurotransmission nursing essay (Solved)

Prompt:When a cell is stimulated or polarized, it fires an action potential. Explain the process and how neurotransmitters are dispersed to other neighboring cells across the synapse.
Explain the concept of a drug’s half-life

SOLUTION TO PROMPT

An action potential is an electrical signal triggered when a cell is stimulated or polarized. It is a very transitory alteration in a cell’s electrical potential, allowing it to transmit information from one part of the cell to another. The action potential is the root of communication between cells in the nervous system.

The movement of ions across the cell membrane generates the action potential when a cell is stimulated or polarized. The cell membrane is made up of proteins and lipids, which form an ionic barrier. The movement of ions causes an electrical potential across the cell membrane. This electrical potential causes the cell to depolarize, moving from a resting possibility to a positive one. This positive potential is the action potential (Kolb & Whishaw, 2019).

Once the action potential is produced, it travels down the neuron’s axon, a long, thin fiber that is the neuron’s projection to other cells. As the action potential travels down the axon, neurotransmitters are released. Neurotransmitters are chemicals that act as messengers, carrying information from one neuron to another. When the neurotransmitters bind to receptors on the neighboring cell, they cause the cell to depolarize and generate its action potential. This process is called synaptic transmission.

Synaptic transmission is the primary way that cells in the nervous system communicate with each other. When the action potential reaches the end of the axon, it causes the release of neurotransmitters into the synaptic cleft. The neurotransmitters diffuse across the synaptic cleft and bind to receptors on the neighboring cell. This causes the cell to depolarize and generate its action potential.

The action potential is the basis of communication between cells in the nervous system. It is triggered when a cell is stimulated or polarized, and it causes the release of neurotransmitters across the synapse. The neurotransmitters then bind to receptors on neighboring cells, causing them to depolarize and generate their action potential (Purves et al., 2012). This process is the basis of synaptic transmission and allows communication between cells in the nervous system.

A drug’s half-life is the time it takes for half of the drug to be eliminated from the body.. This is an important concept to understand when administering and monitoring medications. The half-life of a drug affects its action in the body, how long it will last, and the amount of drug required for a certain effect (Gross, 2021).

The half-life is determined by the rate of elimination from the body, which is influenced by the route of administration, the dose, and the drug’s metabolism. The half-life of a drug is typically measured in hours and can vary depending on the drug and the person taking it. For example, the half-life of a drug taken orally may differ from the half-life taken intravenously. The half-life of a drug can have important implications in drug therapy, particularly when it comes to the desired therapeutic effect. A drug with a short half-life may require more frequent dosing for the desired effect, while a drug with a longer half-life may be able to be taken less frequently. This can be beneficial for the patient as it may reduce the number of doses they need to take or make it easier to remember to take the medication.

Half-life is also essential to consider when determining the optimal timing of dosing. For example, if a drug has a shorter half-life, it may be beneficial to time the doses closer together to maintain a consistent drug level in the body. On the other hand, if a drug has a longer half-life, it may be beneficial to space out the doses more to ensure an optimal drug level. Furthermore, the half-life of a drug is an important concept to consider when administering, monitoring, and developing medications. It can affect the desired effect, the timing of dosing, and the number of doses needed. By understanding the half-life of a drug, healthcare providers can optimize drug therapy for the patient.

References

Kolb, B., & Whishaw, I. Q. (2019). Fundamentals of Human Neuropsychology (7th ed.). New York, NY: Worth Publishers.

Purves, D., Augustine, G. J., Fitzpatrick, D., Hall, W. C., LaMantia, A.-S., & White, L. E. (2012). Neuroscience (5th ed.). Sunderland, MA: Sinauer Associates.

Gross, W. (2021). What is the Half-Life of a Drug? Retrieved April 21, 2021, from https://www.rxlist.com/what_is_the_half_life_of_a_drug/article.htm

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