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0 Twitter, it's what's h- 1473 unread) lease provide your answers In a separate wora (or similary aocument. For tne muruple choice choice). The quiz score will be based on a total of 70 points. The quiz is open-book, however, 453 6382 Do... PSYC 301 6385 Bo please provide only the question number and the answers (the letter answer only for your you are on your honor to not consult anyone else As specified for each question, you need only the required reading chapters for the answers other resources, as long as you cite and reference them in APA-style, but this is completely Essay Questions (1o points each, totl 20 points). Answer both questions as fully as possible. you are not required to use any additional information beyond the textbook. You are free to add optional. Refer to the Neurons chapter for this question: potentials that occur in the neuron: 1) action potentials, and, 2) postsynaptic potentials (EPSPs and IPSPs). In your answer, describe four ways in which action potentials and 1. Compare and contrast two kinds of PSPs are different from each other, and one way that they are similar to each other. Hints: On which part of the neuron are they located? How are neurotransmitters involved? How are ion channels involved? Which are caused by voltage-gated channels and which by neurotransmitter-gated channels? 2. Refer to the Psychopharmacology chapter for this question: Pretend that you are a doctor with an elderly patient who says she is taking a medication for anxiety. She is a healthy eater, and enjoys some kind of citrus juice with her break fast each morning. You are considering prescribing an antidepressant as you believe she is clinically depressed. What are three issues and/or considerations regarding metabolism that you might worry about with this patient? After you discuss these concerns with your patient, she then asks how the liver is involved in metabolizing drugs. How would you answer her question? Multiple Choice Questions (2 points each, total 50 points). Choose the best answer for each question. 1) In evolutionary theory, the best explanation as to why peacocks have brilliant blue feathers isExplanation / Answer
A1.).
A postsynaptic potential might be either excitatory, excitatory postsynaptic potential (EPSP); or inhibitory, inhibitory postsynaptic potential (IPSP).
An EPSP is an evaluated potential delivered by the depolarization of the postsynaptic cell film quickly under the presynaptic finishing. An EPSP isn't an action potential; nonetheless, it can start action potentials
DIFFERENCE
1.Action potentials comply with all-or-none law though excitatory postsynaptic potentials don't .
All-or-none property implies that an axon either fires an action potential or not in any way. Therefore, each time a cell fires, it does as such with a similar level of power. As it were, the adequacy of action potential, for a given axon is steady and autonomous of the size if activating occasion.
2.An action potential is proliferated all through the layer in an undiminishing design though an EPSP ceases to exist over a short separation. Expressed in an unexpected way, an EPSP spreads by aloof stream of electrical charges while an action potential is self-recovering.
3.An action potential can't be summed while an EPSP can be summed. EPSPs can summate on the grounds that they don't have refractory periods. Action potentials, then again, can't summate as a result of their refractory period.
4. An EPSP is activated by boost, by the authoritative of a neurotransmitter with receptor, or by unconstrained moves in the action of hole pumps. Conversely, an action potential is activated by depolarization to edge, usually through spread of EPSP.
SIMILARITY
> Both cause change in membrane potential.
LOCATION -
EPSP happens on the postsynaptic layer specifically under the presynaptic finishing.
It happens in specific districts of the postsynaptic layer intended to react to activating occasions. These districts incorporate the dendrites and soma (cell body).
Dendrites and soma are the neurons' info zones since they get and coordinate approaching signs from different neurons.
This is the area on the postsynaptic film where EPSPs are created in light of approaching synthetic dispatchers.
EPSPs happen just in the dendrites and soma of the postsynaptic film.
Interestingly, action potentials are created at the axon hillock. Axon hillock is the principal portion of the axon in addition to the locale of the cell body from which the axon takes off. A few authorities call this area of the axon starting fragment.
The axon hillock is the initial segment of the postsynaptic film to flame since it has the most reduced limit for the creation of undeniable action potentials.
The axon hillock is an unmyelinated fragment.
A2.) Issues - i). The patient is already helathy and after taking antidepressants he may gain more weight.
(ii) the patient may suffer from bowel syndrome or constipation or diarhea.
(iii) The patient may also have headaches .
ROLE OF LIVER IN METABOLISING DRUGS - Enzymes situated in the endoplasmic reticulum of liver cells ensure the living being against a collection of lipid-solvent exogenous and endogenous mixes by changing over them to water-dissolvable metabolites which can be effectively discharged by the kidney.
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