Disease

What is a Disease? Abnormal state in which parts of the body can not carry out normal functions. Loss of homeostasis Homeostatic Imbalance

Race Time You and a partner have 5 minutes to list as many different diseases as you can….. The winners get a prize!! On your mark….get set…..GO!

Seven Categories of Diseases If we were to come up with 7 groups that all diseases “fit” into then what would they be? You and your partner look at the class room list and come up categories that the diseases would fit into.

1. Disease Producing Organisms Bacteria Strep throat, Lyme disease, Staph infection Parasites Hook worm, round worm, elephantitis Plants Poison ivy, oak or sumac Fungi Ring worm, athletes foot Virus AIDS, flu, common cold, chicken pox

2. Physical Agents Heat Burns Cold Frost bite Electricity Electric shock (can stop heart) Crushing Injuries Broken bones

3. Chemical Agents Lead Poisoning Carbon Monoxide Drugs Tobacco Alcohol

4. Birth Defects Inherited (DNA gene defect) Type I Diabetes Hemophilia Congenital (acquired during fetal development) Cerebral palsy Cleft palette

5. Degenerative diseases in which the function or structure of tissues or organs will progressively deteriorate (weaken) over time, due to normal bodily wear or lifestyle choices such as exercise or eating habitstissuesorgans Aging Alzheimer's Joints Disks MS

6. Malnutrition Is the condition that results from having an unbalanced diet in which certain nutrients are lacking or in excess (too high an intake). Rickets Scurvy Anorexia Obesity Goiter Beri-Beri

7. Neoplasms “New Growth” Tumors: cells that grow in an abnormal way. Benign or malignant

Disease Terminology Acute: Sudden symptoms, may be severe. Short duration. Ex: appendicitis, flu, cold, bronchitis Chronic: long duration (progressive: get worse over time). symptoms may be less severe. Ex: emphysema, arthritis, bronchitis

Disease Terminology Communicable: can be transmitted from one person to another. Ex: STD’s Epidemic: disease spreading fast among many people Ex: H1N1

Disease Terminology Carcinogen Cancer causing agent Ex: sun, cigarettes Pathogen Living organism that is a disease causing agent Ex: bacteria, fungi, virus