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Week 2 Day 1 and Day 2

by: Janette Torres

Week 2 Day 1 and Day 2 psyc 3350

Janette Torres
GPA 2.74
Health Psychology
Abdollahy Zarandi, Abdolhossein

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About this Document

Chapter 2: The Systems of the Body
Health Psychology
Abdollahy Zarandi, Abdolhossein
Class Notes
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This 4 page Class Notes was uploaded by Janette Torres on Monday September 7, 2015. The Class Notes belongs to psyc 3350 at University of Texas at El Paso taught by Abdollahy Zarandi, Abdolhossein in Fall 2015. Since its upload, it has received 43 views. For similar materials see Health Psychology in Psychlogy at University of Texas at El Paso.


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Date Created: 09/07/15
PSYC 3350 Health Psychology Professor Abdolhossein Abdollahy Zarandi Week 2 Day 1 and 2 Chapter 2 The Systems of the Body Hindbrain and Midbrain Hindbrain has 3 main parts 1 Medulla regulates heart rate blood pressure and respiration 2 Pons helps control respiration 3 Cerebellum coordinates voluntary muscle movement and the maintenance of equilibrium and balance muscle tone and posture Midbrain major pathway for sensory and motor impulses moving between forebrain and hindbrain Forebrain and Limbic System Forebrain includes 1 molved in the recognition of sensory stimuli 2 helps regulate cardiac functioning blood pressure respiration water balance and appetites hunger and sexual 3 Cerebral cortex largest portion of the brain higher order intelligence memory and personality Limbic system 0 Plays an important role in stress and emotional responses I Amygdala detection of threat I Hippocampus emotionally charged memories WiFi of the body Ductless glands that secrete hormones into the blood and stimulate changes in target organs Regulated by hypothalamus and pituitary gland O Pituitary gland consists of the posterior pituitarv lobe which produces oxytocin controls contractions during labor social affiliation and water absorption by kidneys The anterior pituitarv lobe is responsible for the growth hormone Disorders involving the Endocrine System 0 Diabetes body becomes incapable of manufacturing or properly using insulin I Type 1 autoimmune disorder I Type 2 disease of lifestyle Disorders of the Cardiovascular System Atherosclerosis arteries are narrowed by plaques formed by deposits of cholesterol and other substances Angina pectoris heart has insufficient supply of oxygen or adequate removal of carbon dioxide and other waste Myocardial infarction MI clots in a coronary vessel blocks the ow of blood to the heart PSYC 3350 Health Psychology Professor Abdolhossein Abdollahy Zarandi Ischemia characterized by lack of blood ow and oxygen to the heart muscle Congestive heart failure CHF heart s delivery of Oxygen rich blood is inadequate to meet the body s needs Arrhythmia irregular beatings of the heart At its most sever can lead to loss of consciousness and sudden death Blood Pressure Force that blood exerts against the blood vessel walls Highest during systole Lowest during diastole In uenced by cardiac output peripheral resistance structure of arterial walls Blood Plasma contains plasma proteins plasma electrolytes and the substances transported by the blood Respiratory System Brings in oxygen through inspiration 0 Causes the lungs to expand inside thorax Eliminates carbon dioxide through expiration O Reduces the lungs volume Disorders asthma hay fever viral amp bacterial infections Chronic Obstructive Pulmonary Disease COPD The Digestive System Functioning Gastric secretions in the stomach help with the digestion of food Enzymes in the small intestine breakdown proteins into amino acids Large intestine stores food residue and helps reabsorption of water Entry of feces into rectum leads to the expulsion of solid waste Disorders gastroesophageal re ux disease gastroenteritis diarrhea dysentery peptic ulcer appendicitis hepatitis The Renal System Kidneys regulate the bodily uids 0 Produce urine which maintains water balance blood pH and electrolyte balance 0 could require an artificial kidney a kidney transplant or kidney dialysis cleanses the blood to remove excess salts water and metabolites Ureters moves urine to bladder Urinary bladder reservoir for urine 0 Urethra conducts urine from the bladder out of the body Other disorders urinary tract infections glomerular nephritis tubular necrosis PSYC 3350 Health Psychology Professor Abdolhossein Abdollahy Zarandi Ovaries Testes Ovum produced each month by one ovary If Testosterone produced by the interstitial cells fertilized it results in a baby If not then it is ushed Estrogen develops secondary sex Produce sperm characteristics Pass through uterus into fallopian tubes to fertilize ovum Progesterone produced during second half of Develop secondary sex characteristics menstrual cycle declines if no pregnancy Disorders STDs chronic pelvic in ammatory disease cancer disorders of menstrual cycle fertility problems Genetics and Health Sex chromosomes determine gender X chrome comes from the mother X or Y come from father Types of research that demonstrates Whether a characteristic is genetically acquired 0 Studies of families 0 Twin research 0 Studies of adopted children Immune System Microbes that can cause infection can spread through direct indirect biological or mechanical transmission Infection Whether a microbe produces infection or not depends on the number of organisms and their virulence as well as the body s defensive capacities Course 0 Incubation period 0 Nonspecific symptoms period 0 Acute phase Immunity Body s resistance to intruding organisms Natural immunity is acquired through disease and passed through mother to child at birth and breastfeeding Artificial immunity acquired through vaccinations and immunizations Nonspecific immune mechanisms General set of responses to any kind of infection or disorder PSYC 3350 Health Psychology Professor Abdolhossein Abdollahy Zarandi Ways of occurring 0 Anatomical barriers O Phagocytosis 0 Antimicrobial substances 0 In ammatory responses Specific Immune Mechanisms Acquired after birth Fight particular microorganisms and their toxins Humoral Immunity B lymphocytes confer immunity by the productions and secretions of antibodies Cellmediated immunity T lymphocytes kill invading organisms and infected cells Lymphatic System Drainage system of the body Disorders related to the Immune System Lupus leads to chronic in ammation Tonsillitis Infectious mononucleosis Lymphoma Autoimmunity body attacks its own tissues


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