RESPIRATORY SYSTEM LUNGS & AIR PASSAGES. WHY ARE THEY NEEDED n TAKE IN OXYGEN – GAS NEEDED BY ALL...
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Transcript of RESPIRATORY SYSTEM LUNGS & AIR PASSAGES. WHY ARE THEY NEEDED n TAKE IN OXYGEN – GAS NEEDED BY ALL...
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RESPIRATORY SYSTEM
LUNGS & AIR PASSAGES
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WHY ARE THEY NEEDED
TAKE IN OXYGEN – GAS NEEDED BY ALL BODY CELLS
REMOVING CARBON DIOXIDE – GAS THAT IS A WASTE PRODUCT
PRODCUED BY THE CELLS
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HOW MUCH O2 DO WE HAVE? FOUR TO SIX MINUTES SUPPLY
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RESPIRATORY SYSTEM
MUST WORK CONTINOUSLY OR DEATH WILL OCCUR
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RESPIRATORY SYSTEM
NOSE PHARYNX LARYNX TRACHEA BRONCHI ALVEOLI LUNGS
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NOSE
TWO NOSTRILS (NARES)– OPENINGS WHICH AIR ENTERS
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NASAL SEPTUM
PARTITION OR WALL – CARTILAGE DIVIDES THE NOSE INTO
HOLLOW SPACES
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NASAL CAVITIES
TWO HOLLOW SPACES LINED WITH A MUCOUS
MEMBRANE RICH BLOOD SUPPLY WARMS AIR FILTERS AIR MOISTENS AIR
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MUCOUS MEMBRANE
PRODUCES MUCOUS TRAPS PATHOGENS
– GERMS TRAPS DIRT
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CILIA
TINY HAIRLIKE STRUCTURES IN NASAL CAVITY
TRAPS DIRT TRAPS PATHOGENS TRAPPED PARTICLES PUSHED
TOWARD ESOPHAGUS– SWALLOWED
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OLFACTORY RECPTORS
LOCATED IN NASAL CAVITY SENSE OF SMELL
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LACRIMAL DUCTS
DRAIN TEARS FROM EYES– DRAINS INTO NOSE
PROVIDES ADDITIONAL MOISTURE FOR THE AIR
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SINUSES
CAVITIES IN THE SKULL AROUND THE NASAL AREA CONNECTED TO NASAL CAVITY BY
SHORT DUCTS MUCOUS MEMBRANE
– WARMS & MOISTENS AIR RESONANCE FOR THE VOICE
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PHARYNX
THROAT LOCATED BEHIND THE NASAL
CAVITIES AIR LEAVES NOSE & ENTERS
PHARYNX
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THREE SECTIONS OF THE PHARYNX NASOPHARYNX OROPHARYNX LARYNGOPHARYNX
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NASOPHARYNX
UPPER PORTION BEHIND NASAL CAVITIES
PHARYNGEAL TONSILS – ADENOIDS
LYMPHATIC TISSUE
– EUSTACHIAN TUBE OPENINGS LOCATED
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OROPHARYNX
MIDDLE SECTION LOCATED BEDHIND ORAL CAVITY RECEIVES AIR & FOOD FROM THE
MOUTH
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LARYNGOPHARYNX
BOTTOM SECTION OF PHARYNX BRANCHES INTO
– TRACHEA CARRIES AIR TO AND FROM THE LUNGS
– ESOPHAGUS CARRIES FOOD TO STOMACH
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LARYNX
VOICE BOX– BETWEEN THE PHARYNX & TRACHEA
CARTILAGE CALLED– ADAM’S APPLE
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LARYNX
VOCAL CORDS– TWO FOLDS
OPENING BETWEEN VOCAL CORDS– GLOTTIS
AIR ENTERS LUNGS– VOCAL CORDS VIBRATE
PRODUCE SOUND OR SPEECH
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LARYNX
EPIGLOTTIS– PIECE OF CARTILAGE– LEAF LIKE STRUCTURE – CLOSES THE OPENING INTO LARYNX
DURING SWALLOWING– PREVENTS FOOD & LIQUIDS FROM
ENTERING RESPIRATORY TRACT
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TRACHEA OR WINDPIPE
TUBE EXTENDING FROM LARYNX TO CENTER OF CHEST
CARRIES AIR BETWEEN PHARYNX & BRONCHI
SERIES OF C-SHAPED CARTILAGE– OPEN ON THE DORSAL SURFACE– HELPS KEEP TRACHEA OPEN
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BRONCHI
TWO DIVISIONS OF TRACHEA – NEAR CENTER OF CHEST
BRONCHUS – ENTERS LUNG– CARRIES AIR– TRACHEA TO LUNGS
LUNGS – BRONCHI DIVIDE INTO SMALLER BRONCHI
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SMALLEST BRACHES
BRONCHIOLES– END IN AIR SACS CALLED ALVEOLI
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ALVEOLI
AIR SACS – RESEMBLE BUNCH OF GRAPES– ONE LAYER OF SQUAMOUS
EPITHELIUM TISSUE– RICH NETWORK OF BLOOD
CAPILLARIES– CAPILLARIES
ALLOW OXYGEN & CARBON DIOXIDE TO EXCHANGE BETWEEN LUNGS & BLOOD
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LUNGS
ORGANS – DIVISIONS OF THE BRONCHI & ALVEOLI
RIGHT LUNG– 3 SECTIONS OR LOBES
SUPERIOR, MIDDLE & INFERIOR LEFT LUNG
– TWO LOBES SUPERIOR & INFERIOR
– SMALLER HEART LIES MORE TO THE LEFT SIDE OF CHEST
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PLEURA
MEMBRANE OR SAC ENCLOSING EACH LUNG
THORACIC CAVITY– BOTH LUNGS– HEART– MAJOR BLOOD VESSELS
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PROCESS OF RESPIRATION
TWO PHASES– INSPIRATION– EXPIRATION
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INSPIRATION
INHALATION PROCESS OF BREATHING IN AIR DIAPHRAGM
– DOME SHAPED MUSCLE THORACIC & ABDOMINAL CAVITY
– IN
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DISEASES OF THE RESPIRATORY SYSTEM
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ASTHMA
RESPIRATORY DISORDER
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CAUSATIVE AGENTS
SENSITIVITY TO AN ALLERGEN– DUST– POLLEN– ANIMALS– FOODS
STRESS OVEREXERTION INFECTIONS
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SYMPTOMS OCCUR
BRONCHOSPASMS NARROW OPENING OF BRONCHIOLES
MUCUS PRODUCTION INCREASES EDEMA DEVELOPS IN MUCOSAL
LINING
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SYMPTOMS
DYSPNEA WHEEZING COUGHING WITH EXPECTORATION
OF SPUTUM TIGHTNESS IN CHEST
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TREATMENT
BRONCHODILATORS TO ENLARGE BRONCHIOLES
EPINEPHRINE OXYGEN THERAPY
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PREVENTING ASTHMA ATTACKS IDENTIFY ALLERGEN ELIMINATE ALLERGEN DESENSITIZATION TO ALLERGENS
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BRONCHITIS
INFLAMMATION– BRONCHI– BRONCHIAL TUBES
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ACUTE BRONCHITIS
CAUSED BY INFECTION
SYMPTOMS– PRODUCTIVE COUGH– DYSPNEA– CHEST PAIN– FEVER
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TREATMENT
ANTIBIOTICS EXPECTORANTS TO REMOVE
EXCESSIVE MUCUS
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CHRONIC BRONCHITIS
OCCURS AFTER FREQUENT ATTACKS OF ACUTE BRONCHITIS
LONG-TERM EXPOSURE TO POLLUTANTS OR SMOKING
CHARACTERIZED BY CHRONIC INFLAMMATION– DAMAGED CILIA– ENLARGED MUCOUS GLANDS
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SYMPTOMS
EXCESSIVE MUCUS – PRODUCTIVE COUGH– WHEEZING & DYSPNEA– CHEST PAIN– PROLONGED EXPIRATION OF AIR
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TREATMENT
NO CURE ANTIBIOTICS BRONCHODILATORS RESPIRATORY THERAPY
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COPD
CHRONIC OBSTRUCTIVE PULMONARY DISEASE
ANY CHRONIC LUNG DISEASE THAT RESULTS IN OBSTRUCTION OF AIRWAY
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COPD
INCLUDE DISORDERS SUCH AS– ASTHMA– CHRONIC BRONCHITIS– EMPHYSEMA– TB
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CAUSES
SMOKING IS THE PRIMARY CAUSE
OTHER FACTORS INCLUDE– ALLERGIES– CHRONIC RESPIRATORY
INFECTIONS
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EMPHYSEMA
NONINFECTIOUS CHRONIC RESPIRATORY CONDITION– WALLS OF THE ALVEOLI DETERIORATE– LOSE ELASTICITY
CARBON DIOXIDE REMAINS TRAPPED IN THE ALVEOLI
POOR EXCHANGE OF GASES
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CAUSE
HEAVY SMOKING PROLONGED EXPOSURE TO AIR
POLLUTANTS
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SYMPTOMS
DYSPNEA FEELING OF SUFFOCATION PAIN BARREL CHEST CHRONIC COUGH CYANOSIS RAPID RESPIRATIONS WITH PROLONGED
EXPIRATION RESPIRATORY FALURE ……….DEATH
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TREATMENT
NO CURE AVOID SMOKING BRONCHODILATORS PROMPT TREATMENT OF
RESPIRATORY INFECTIONS OXYGEN THERAPY RESPIRATORY THERAPY
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EPISTAXIS
NOSEBLEED– CAPILLARIES IN NOSE BECOME
CONGESTED AND BLEED
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CAUSES
INJURY OR BLOW TO NOSE HYPERTENSION CHRONIC INFECTIONS ANTICOAGULANT DRUGS BLOOD DISEASES
– HEMOPHILIA– LEUKEMIA
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TREATMENT
COMPRESS NOSTRILS ELEVATE HEAD TILT FORWARD SLIGHTLY APPLY COLD COMPRESSES NASAL PACKS CAUTERIZE THE BLEEDING VESSEL ELIMINATE UNDERLYING CAUSE
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INFLUENZA (FLU)
CONTAGIOUS VIRAL INFECTION– UPPER RESPIRATORY SYSTEM – SUDDEN ONSET
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SYMPTOMS
CHILLS FEVER COUGH SORE THROAT RUNNY NOSE MUSCLE PAIN FATIGUE
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TREATMENT
BED REST FLUIDS ANALGESICS
– PAIN– FEVER
ANTIBIOTICS– NOT EFFECTIVE AGAINST VIRUSES– GIVEN TO AVOID SECONDARY INFECTIONS
PNEUMONIA
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LARYNGITIS
INFLAMMATION– LARYNX– VOCAL CORDS
MAY OCCUR WITH RESPIRATORY INFECTIONS
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SYMPTOMS
HOARSENESS LOSS OF VOICE SORE THROAT DYSPHAGIA DIFFICULTY IN SWALLOWING
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TREATMENT
REST FLUIDS LIMITED USE OF THE VOICE MEDICATIONS
– INFECTION IF PRESENT
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PLEURISY
INFLAMMATION OF PLEURA– MEMBRANES OF THE LUNGS
OCCURS WITH PNEUMONIA OR OTHER INFECTIONS
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SYMPTOMS
SHARP STABBING PAIN WHILE BREATHING
CREPITATION– GRATING SOUNDS IN THE LUNGS
DYSPNEA FEVER
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TREATMENT
REST MEDICATIONS TO RELIEVE PAIN &
INFLAMMATION
FLUID COLLECTION IN PLEURAL SPACE– THORACENTESIS
WITHDRAWAL OF FLIUD THROUGH A NEEDLE
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PNEUMONIA
INFLAMMATION INFECTION OF LUNGS BUILD UP OF EXUDATE IN ALVEOLI CAUSED BY BACTERIA, VIRUS, OR
CHEMICALS
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SYMPTOMS
CHILLS FEVER CHEST PAIN PRODUCTIVE COUGH DYSPNEA FATIGUE
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TREATMENT
BEDREST FLUIDS ANTIBIOTICS IF INDICATED RESPIRATORY THERAPY PAIN MEDICATION
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RHINITIS
INFLAMMATION OF NASAL MUCOUS MEMBRANE– RUNNY NOSE– SORENESS– CONGESTION
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COMMON CAUSES
INFECTIONS ALLERGENS
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TREATMENT
FLUIDS MEDICATION TO RELIEVE
CONGESTION
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SINUSITIS
INFLAMMATION OF MUCOUS MEMBRANE LINING
SINUSES CAUSED BY BACTERIA OR VIRUS
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SYMPTOMS
HEADACHE PRESSURE THICK NASAL DISCHARE CONGESTION LOSS OF RESONANCE IN VOICE
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TREATMENT
ANALGESICS MEDICATIONS TO LOOSEN
SECRETIONS MOIST INHALATIONS SURGERY
– CHRONIC SINUSITIS OPENS CAVITIES
– ENCOURAGE DRAINAGE
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TB
TUBERCULOSIS– INFECTIOUS DISEASE OF THE LUNGS
CAUSED BY BACTERIA MYCOBACTERUIM TUBERCULOSIS
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WBC
MAY SURROUND INVADING TB ORGAMISMS
WALLS OFF CREATING A NODULE CALLED TUBERCLE
ORGANISMS REMAIN DORMANT IN THE TUBERCLE
CAN CAUSE ACTIVE CASE OF TB– LATER IF BODY REISITANCE IS LOW
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SYMPTOMS OF ACTIVE TB
FATIGUE CHEST PAIN FEVER NIGHT SWEATS WEIGHT LOSS HEMOPTYSIS
– COUGHING UP BLOOD TINGED SPUTUM
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TREATMENT
ADMINISTRATION OF DRUGS– DESTROY BACTERIA
GOOD NUTRITION REST
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URI
UPPER RESPIRATORY INFECTION COMMON COLD INFLAMMATION OF MUCOUS
MEMBRANE LINING UPPER RESPIRATORY TRACT
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CAUSED BY
VIRUSES HIGHLY CONTAGIOUS
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SYMPTOMS
FEVER RUNNY NOSE WATERY EYES CONGESTION SORE THROAT HACKING COUGH
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NO CURE
MINIMAL TREATMENT SYMPTOMS LAST ABOUT 1 WEEK ANALGESICS FOR PAIN & FEVER REST INCREASED FLUID INTAKE ANTIHISTAMINES
– RELIEVES CONGESTION
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THE END