PSYCHOLOGY 305 – EXAM 2 – STUDY GUIDE WINTER 2013 Models for stress: Know what each model says about stress (e.g.‚ Cannon’s‚ Selye’s‚ etc.) Stress & the Immune system – Acute vs. prolonged stress & illness; Physiology of stress & immune system functioning -SAM System- Sympathetic adrenomedullary system. Results in release of catecholamines. -HPA System- Hypothalamic-Pituitary-Adrenocortical system. Results in release of corticosteroids-cortisol. Chronically elecated levels-compromises
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raclopride into the amygdala prior to the Pavlovian fear conditioning. They also investigated the effect of shock session attributed to a decrease in shock reactivity as a function of repeated shock exposure. Classical fear conditioning and acoustic startle testing were conducted in a single session allowing the concomitant assessment of shock reactivity with startle enhancement. (Grebba et al.‚ 2001) The potentiated startle‚ used as a behavioral indicator of fear and anxiety‚ and defensive
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Metals and Halogens reactions Elements such as fluorine‚ chlorine‚ bromine‚ iodine‚ and astatine belong to Group 7‚ Halogens. At room temperature‚ fluorine is a yellow gas‚ chlorine is a pale green gas‚ bromine is a red liquid‚ and iodine is a purple solid. Astatine is a radioactive element‚ therefore it exists only in small amounts. All the halogens exist in diatomic molecules. They have high ionization energies and are the most electronegative elements. Their electron configuration ns2 np5 make
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1. The sociological perspective‚ as a way of thinking about the world‚ includes the sociological imagination from C. Wright Mills‚ the beginner’s mind from Bernard McGrane‚ and the idea of culture shock from anthropology. Explain what all three of these concepts have in common. Response: All three of these concepts have in common are the idea of breaking down social barriers to gain a different perspective on culture people and behaviors. When a person is in a new area where the culture is different
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time and DMPA concentration whereas Rp increased rapidly‚ then decreased and became a constant. To compare PDC of the synthesized polymer‚ HVPA and commercially available polymer‚ BISGA‚ the PDC of HVPA was higher than BISGA‚ which indicated that reactivity of HVPA higher than BISGA and which showed that synthesized prepolymer‚ HVPA suitable for indusial application such as coating‚ UV–curable inks
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acid-base behaviour of amino acids was assessed. Amino acids are amphoteric. They have the basic (amine) and the acidic (carboxylic) functional groups. These show the same type of equilibrium reactions that all weak acids and bases undergo‚ and the relative amount of each can be altered by adjusting the pH of the solution. For this practical glycine was used as a model to show this unique nature of amino acids. A series of four acid –base titrations were conducted; 25ml of 0.1M glycine in solution titrated
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1. Sodium and potassium are the most frequently ecountered alkali metals‚ though rarely as the metal. Why these elements are rarely found as the metal? (Refer to the relative measurements tabulated in the form of electronegativities‚ ionization energies‚ or reduction potentials). These are due to the fact that their outer most orbital (ns1 valence electron configuration) has tendency to lose electron very easily and make stable configuration. The single valence electron is relatively far from the
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Spinal Cord Injury and the effect of Morphine Marisa Mucka May 5‚ 2014 Intrathecal Morphine Attenuates Recovery of Function after a Spinal Cord Injury A human body endures a lot of injuries such as broken bones‚ cuts‚ heart attacks but one serious injury is “spinal cord injury” which can be a obstacle to medicine. With such injury‚ as a spinal cord‚ the recovery itself can be very painful to handle so most patients are administered pain killers to minimize
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because the alcohol functional group was attached to a tertiary carbon‚ which makes it very compatible to have the compound go through an E1 reaction. In addition‚ we were using sulphuric acid with heat‚ it is considered as a weak base making the reactivity for an E1 reaction strong. The reaction also would favor a protic solvent in order for it to be an E1 reaction. When the compound goes through the E1 reaction‚ it forms a carbocation‚ and in some cases it could be formed on a secondary carbon
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References: 1) Reusch‚ Rosetta N. "Chemical Reactivity." Chemical Reactivity. Michigan State University‚ n.d. Web. 14 Sept. 2013. 2) Jaschke‚ A.; Seeling‚ B.; Keiper‚ S.; Stuhlmann‚ F. Angew. Chem. Int. Ed. 2000‚ 39‚ 4576-4579. Enantioselective Ribozyme Catalysis of a Bimolecular Cycloaddition Reaction. 3) Weldegirma
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