FINALS COVERAGE Flashcards
A state of complete physical, mental, and social well-being, not merely the absence of disease
HEALTH
A deletrious change in the body’s condition in response to an environmental factor that could be nutritional, chemical, biological or psychological
DISEASE
4 Factors that cause morbidity and mortality of a person
- DIET AND NUTRITION
- STRESS
- INFECTIOUS ORGANISMS
- TOXIC CHEMICALS
Refers to physical, chemical, or emotional factors that place a strain on an organism for which there is inadequate adaptation
STRESS
Is 43% of all disease deaths annually
INFECTIOUS ORGANISMS
Pneumonia, tuberculosis, influenza, whopping cough, cause more deaths worldwide
RESPIRATORY DISEASES
Diarrhea, dysentery, and cholera, are caused by bacteria or protozoans. Caused by poor nutrition, poor sanitation, immune system
GASTROINTESTINAL INFECTIONS
Bacteria that causes diseases. They can enter food supply (food borne illnesses) that cause nausea, vomiting, fever, diarrhea
PATHOGENS
Transmitted by mosquitoes
MALARIA/DENGUE/FILARIASIS
Transmitted by the bite of black flies
ONCHOCERCIASIS
An eye disease caused by bacterium found where sanitation is poor
TRACHOMA
Hookworm & Roundworms
PARASITIC NEMATODES
Can live for a year while growing up to 3 ft. in length
GUINEA WORMS
Disease never known before or one that has been absent for at least 20 years. Ex. Ebola
EMERGENT DISEASE
Spread by contact with certain bodily fluids of a person with HIV, commonly during unprotected sex or through sharing injection drug equipment
HIV/AIDS
Means dangerous, flammable, explosive, irritants, acids, & caustics
HAZARDOUS
Are poisonous, react with a specific cellular component to kill cells.
TOXINS
Are corrosives, caustics. Ex. sulfuric acids, ammonia, nitric acid, sodium hydroxide, fumes of metals
IRRITANTS
A special class of irritants that damage the lungs, causing scar tissue formation that lowers respiratory capacity
RESPIRATORY FIBROTIC AGENTS
Chemicals & radiation that damage or alter genetic material in cells, can lead to birth defects
MUTAGENS
Type of radiation that has the largest mass of all forms of radiation. They are positively charged. They can travel only a few centimeters in air. Cannot penetrate skin, but when inhaled, can damage the cells and their chromosomes
ALPHA RADIATION
Pure nitrogen, methane, carbon dioxide, hydrogen sulfide, hydrogen cyanide.
ASPHYXIANTS
Attack nerves. Examples are ether, chloroform, heavy metals
NEUROTOXINS
Negatively charged particles emitted from nuclei. They are lighter than alpha particles and capable of penetrating a 1 millimeter lead plate. They can cause skin cancer and eye cataract
BETA RADIATION
