Hypothalamus Secreted hormone | Abbreviation | Produced by | Effect | Thyrotropin-releasing hormone (Prolactin-releasing hormone) | TRH‚‚ or | Parvocellular neurosecretory neurons | Stimulate thyroid-stimulating hormone (TSH) released fromanterior pituitary (primarily) Stimulate prolactin release from anterior pituitary | Dopamine (Prolactin-inhibiting hormone) | DA or PIH | Dopamine neurons of the arcuate nucleus | Inhibit prolactin released from anterior pituitary | Growth hormone-releasing
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over the past three decades suggest that central neurotransmitters play a key role in the modulation of aggression in all mammalian species including humans. Specific neurotransmitters systems involved in aggression include serotonin‚ dopamine‚ norepinephrine‚ GABA‚ and neuropeptides such as vasopressin and oxytocin. Neurotransmitters not only help to execute basic behavioral components but also serve to modulate these preexisting behavioral states by amplifying or reducing their effects (Clinical
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CARDIOVASCULAR Dsyrhythmias * Etiology * Disturbances in automaticity – initiation of impulse is altered * Disturbances in conduction – alteration in the speed the impulse travels * Reentry of impulses – cardiac tissue is depolarized multiple times by the same impulse * Speed‚ distance and location can be changed or affected (blockages cause change in heart rhythm) * Risk factors * Cardiovascular disease‚ MI * MI – death of tissue – no electricity
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Thomas Moore 4/13/2013 HCA 240 Brian Eigelbach Mental illness affects one in four people‚ that’s an estimated 57.7 million Americans. Psychiatry is the medical specialty that diagnoses and provides treatment for mental illness. Mental illnesses are medical conditions that change a way a person thinks‚ feels‚ there mood‚ ability to relate to others‚ and the way a person functions daily. Mental illnesses do not target any specific person by age‚ race‚ religion
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2 Local anaesthesia is used to numb a specific part of the human body to prevent the sensation of pain whilst undergoing any procedure e.g. removal of the appendix. Lignocaine is a local anaesthetic that is most commonly used due to its effectiveness in the human body. It is free of toxicants and works rapidly in the body to prevent the sensation of pain. The way in which lignocaine works is by reversibly blocking nerves that transmit any sensation of pain from the moment a response is sent from
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Endorphins are a type of opioid released in our brain as a pain reliever. As a very strong inhibitory neurotransmitter‚ endorphin works with dopamine in the reward system in the brain. It decreases the heartbeat‚ respiration and metabolism. Norepinephrine works with dopamine as a companion for the fight-flight system. It is responsible of alertness‚ arousal‚ stress and the command to the endocrine system for the adrenaline
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mineralcorticoids - Aldosterone Zona Fasiculata glucocorticoids – Cortisol (synergist)‚ allows glucagon to work – sugar-preserving hormone Zona Reticularis gonadocorticoids - Androgens Medulla: Catecholamines: stressor hormones Epinephrine Norepinephrine Osteoporosis – reduction in the mass of the bone – Lots of questions! Calcium regulation – Lots of questions! PTH & Calcitonin responsible for calcium regulation in the body * Calcium important for nerve transmission‚ muscle
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Exam #1 Chapter 1: The Nature of Stress · According to the definitions of stress‚ identify the components of which stress is comprised. (pg 8)) 1. A stressor or some sort of demand‚ pressure‚ situation‚ or event 2. our perception of that stressor 3. an emotional reactions 4. a psychiological reaction · Describe the two types of stress and the two types of distress. (pg 9) Eustress and Distress are 2 types Distress: public speaking‚ abusive relationship · Describe the Yerkes-Dodson Principle
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cholinergic agonist that decreases the HR. 12. What was the heart rate after treatment with atropine Ans: 70 Bpm with atropine. 13. Are the effects of pilocarpine and atropine the same or opposite? Ans: Opposite 14. Same question with epinephrine? Ans: 80 Bpm with epinephrine. 15. Did this effect prediction?
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The Soothing Sensation That is Bath Salts Introduction “Oh yeah‚ me and my girlfriend have a big bag of lavender bath salts sitting at home‚” was the initial reaction when I asked a fellow engineer to portray as a testimonial for our borderline inappropriate bath salts infomercial. Contrary to popular belief‚ this new synthetic drug is far away from producing any effects that are similar to that of a relaxing bath. Until recently‚ bath salts were popularized to be a “legal high.” In order to tip
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