Thursday, January 2, 2020
The Effects Of Benzodiazepines And Its Effects On The Cell...
Xanax is a benzodiazepine that is most often used to treat anxiety. The effects of benzodiazepines mainly come from their ability to alter the movement of the inhibitory transmitter known as GABAa. GABA is triggered to release when it then can bind to the GABAa receptor. The binding of the two causes the ion channel to open and chloride ions are sent across the cell membrane. This causes the inhibitory factor by depolarizing the membrane (Griffin et al., 2013). Benzodiazepines are absorbed well through both per oral and parenteral administrations. However, absorption per orally is more rapid than any other route. Xanax in particular, is highly lipid soluble. Because it is highly lipid soluble, it means that it passes through the blood brain barrier more quickly. Xanax, otherwise known as alprazolam, reaches its peak in concentration in about one to two hours after administration (Griffin et al., 2013). The half-life, or the time it takes the drug to decrease by half, is about six to twenty-seven hours for adults (Griffin et al., 2013). There is a redistribution of benzodiazepines in body fat. This is a two phase process. During the first phase, there is a fast drop in the blood level as the drug is being redistributed throughout the body. During the second phase the blood level is more slow to drop than the first phase because the drug that is left in the blood is being metabolized and as that is happening it is being replaced by the drug t hat is being released from the bodyShow MoreRelatedDrugs and Society Essay925 Words à |à 4 Pages1c. Describe the life cycle of a typical neurotransmitter. A cell membrane with the uptake of a particular precursor absorbs amino acids to create a neurotransmitter. The amino acids undergo synthesis with a reaction with enzymes to become a neurotransmitter. Once created, the neurotransmitters are stored in vesicles until they are released into the synapse. Once released, the neurotransmitters will attempt to attach to the membrane of neurons. If the neurotransmitter does not make it to the neuronRead MoreZopiclone Is A Drug First Developed By Rhone Poulenc Rore1452 Words à |à 6 Pageschloride ion channels in the neuron cell membrane (3, page 1). By increasing the conductance of chloride ions and hyperpolarizing the neuron, the frequency of action potentials is reduced. This causes an inhibition of brain activity, causing zopiclone to have hypnotic, sedative, muscle relaxant, anxiolytic, and anticonvulsant effects (4). Zopiclone acts much in the same way as benzodiazepines when used to treat insomnia, but was believed to have less adverse effects, and less potential for developingRead MoreEssay about Psychoactive Drugs and Their Effect on Consciousness989 Words à |à 4 Pagesillicit drugs is more most frequent among males and younger people (WHO). The brain is protected by a tightly packed lining of cells called the blood-brain barrier. However, some drugs are able to pass through and influence the operation of the brain. These drugs alter consciousness by facilitating or inhibiting synaptic transmission. A synapse is a junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter. There are two types of synapticRead MoreOxidative stress promotion: Disturbance of the prooxidant-antioxidant balance in favour of the1000 Words à |à 4 Pageshyperexcitation results (Coats 1990). 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The hundreds of nuclear transport pathways allow for the study and mechanistic view of nuclear transportââ¬â¢s role in the onset as well as expression of multiple diseases; breastRead MoreTerrible Tooth Case form Essay2288 Words à |à 10 Pageshinting at some problems he got before the removal. His sympto ms of lightheadedness could be due to the effects of the surgery or anesthetic. Need more information to be sure. 2. Novocain blocks action potential production at the site of injection. How do you think Novocain works on the axon membrane, and how does it block the sensation of pain? Novocain serves to block receptors on nerve cells that sense pain. Therefore preventing neurotransmitter from binding to the receptors and stimulating sensoryRead MoreModern Medicine Has Been The Development Of Antibiotics12095 Words à |à 9 Pagesthe treatment of bacterial infections. They demonstrate their bactericidal effects by inhibiting enzymes involved in cell wall synthesis. The bacterial cell wall is an integral component that maintains the cell shape of the bacteria in a hypertonic and hostile environment8. The rigid cell wall (peptidoglycan) provides the tensile strength needed to withstand high osmotic pressures that would otherwise cause the plasma membrane to rupture9. The peptidoglycan is made of alternating N-acetylmuramic acidRead MoreSpinal Cord Injury ( Sci )1122 Words à |à 5 Pageshaemodynamics (arterial pressure) of the spinal cord. Since the autoregulatory mechanism failed toxic chemical are released from damaged cells and disrupt healthy cells by causing a calcium wave throughout the injury site. This leads to the development of ischemia and the release of free radicals that can ââ¬Å"alter cellular structure leading to necrotic or apoptotic cell deathâ⬠(Sarhan et al., 2012 p 323). Oxidative stress inactivates proteins and lipid peroxidation of the mitochondrial respiratory chainRead MoreWhy Iq Tests Be Considered Biased Measures Of Intelligence3076 Words à |à 13 Pagesaction potentials, the inside of the cell membrane becomes positive with respect to the outside. An action potential generates local currents that tend to depolarize the membrane immediately adjacent to the action potential. When depolarization caused by local currents reaches the threshold, a new action potential is produced adjacent to the original one. Action potentials propagation occurs in one direction because the recently depolarized area of the membrane is in absolute refractory period andRead MoreThe Neurotransmitter Of A Motor Disorder1026 Words à |à 5 Pagesact like different drugs such as morphine and codeine. Lastly, Glutamate which plays a very important part in the brain, the process is called long term potentiation. It mediates certain types of learning and memory. It is located on the membrane on neuronal cells. Research states that the formation of learning and memory can be increased by drugs that help glutamate activity. Sensation and perception are related in many ways but play two completely different roles. Sensation is like an early stage
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