i) TPR is adjusted through intrinsic and extrinsic physiological responses that affect arteriolar resistance. The intrinsic controls include chemical and physical influences. The relative input of a various local metabolites is coordinated to control arterial blood flow; vasodilation results from chemical factors such as decreased oxygen‚ increased carbon dioxide and increased potassium. Another local chemical mediator is histamine‚ which is released during injury or allergic reactions
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Materials and Methods In the experiment‚ a frog was obtained and dissected in a way to expose its heart and then tested using Lab Tutor software‚ a force transducer‚ and the PowerLab hardware (ADInstruments 2014). Frog dissection: Frogs that had been killed by being double-pithed were dissected as described in Lab Tutor. The frog was pinned down with the ventral side up. A longitudinal and a lateral incision were made along the frog’s abdomen. The skin was peeled back and the tissue and sternum
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frequency of voiding. - increased varicosities. -shooting pain at the leg or leg cramps. -decreased fundal height. -increased amount of vaginal discharge. 2. Increased Level of Activity Placenta Decrease progesterone production Increase Epinephrine release Increased maternal changes 3. Braxton Hicks Contraction - false labor contraction‚ painless‚ irregular abdominal contractions and or relieved by walking. Difference between True and False labor Contractions False Contractions | True
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Pheochromocytoma‚ a rare condition caused by a tumor in the adrenal medulla affecting the chromaffin cells‚ results in an excess production of catecholamines (epinephrine and norepinephrine) and metanephrines. The most immediate effect of this condition is severe hypertension‚ but other symptoms (such as headache‚ palpitations and excessive generalized sweating) can also appear. If left untreated‚ pheochromocytoma may lead to hypertensive encephalopathy‚ cardiomyopathy‚ diabetes mellitus and even
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RESEARCH IN ACTION Agency for Healthcare Research and Quality • www.ahrq.gov Issue #13 July 2003 Dental Care: Improving Access and Quality The oral health of Americans has improved in recent years‚ yet considerable gaps in the provision of dental care remain‚ according to a recent report by the Surgeon General.1 This Research in Action highlights dental care research sponsored by the Agency for Healthcare Research and Quality (AHRQ). Studies look at the impact of factors such as reimbursement
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anaphylactic reactions: guidance for healthcare providers http://www.bmj.com/content/312/7023/71 SAMPSON et al‚ (2005) http://www.jacionline.org/article/S0091-6749(05)00032-1/abstract SHEIKH‚ A.‚ et al (2007) SIMONS‚ F E‚ PETERSON‚ S‚ BLACK‚ C D. (2001b) Epinephrine dispensing for the out of hospital treatment of anaphylaxis in infants and children: a population based study. Ann Allergy Asthma Immunol. 86(6) 622–626. http://www.priory.com/med/adrenaline.htm SOUTH‚ MIKE‚ WILLIAMS‚ KATRINA (2012) http://onlinelibrary
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1 THE AUTONOMIC NERVOUS SYSTEM: UNDERSTANDING THE ESSENTIALS (v2013‚ long sheet) Lecturer: D.G. Simbulan‚ Jr.‚ PhD ----------------------------------------------------------------------------------------------------------------------------- -------------------Outline: I. Introduction II. Comparison between the somatic and autonomic nervous systems III. Anatomical and Physiological features of ANS IV. Metabolism of Neurotransmitters; Main form of removal from synaptic cleft/ junctional
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Specific phobia may also occur on people who suffer from a particular condition. If a person has biological relatives‚ there are possibilities that they will also suffer from developing phobia as well. In the genetic factors of a phobia‚ according to National Alliance of Mental Illness (NAMI)‚ women are more likely have a higher rate of social phobia. Some result has been reported with many investigations even in controlling the gender in various studies. The biological factor of phobia is not much
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descriptions of pain; pain threshold/tolerance 10. Know endogenous opioids. 11. What are the two types of fibers that transmit the nerve action potentials generated by excitation of any of the nociceptors. 12. What is the relationship between epinephrine and body temperature? 13. Know mechanisms of heat production and heat loss. 14. Know heat exhaustion and heat stroke? 15. Define the different stages of sleep. 16. Discuss disorders of the conjunctivia of the eye. 17. Which part of the eye
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The Endocrine system helps to maintain homeostasis by secreting hormones into the bloodstream‚ which travels throughout the body. This system regulates activities such as growth and development and influence emotions and behavior. The relationship of this system alongside the other body systems is how the body maintain a stable equilibrium‚ regulating the activity of the organ systems. Nervous - The endocrine system acts as a communication tool within the human body‚ working alongside with the nervous
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