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30 Cards in this Set
- Front
- Back
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Disorders of the circulatory system
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Atherosclorosis(Arteriosclerosis),Myocardial Infarction,Ischemic heart disease,Angina Pectoris,Hypertension,Anemia
Leukemia,Leukopenia,Leucocytosis,Polycythemia,Varicose veins |
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Leukemia
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abnormally large number of immature WBCs in blood.
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Leukopenia
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Fewer than normal WBCs in blood
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Leucocytosis
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abnormally large number of WBCs in blood
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Polycythemia
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Abnormally large number of RBCs in blood
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Varicose Veins
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Weakened, stretched, swollen
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Anemia
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An abnormally low Hb concentation and/or RBC count
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Hypertension
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Blood pressure in excess of normal range(120/80mmHg)
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Angina Pectoris
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Pain resulting from Ischemia
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Ischemic Heart Disease
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tissue lacks 0xygen due to reduced blood flow
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Function of Respiratory System
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Gas Exchange
Sound Production olfaction air filtration elimination of wastes |
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Disorders of Respiration
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Emphysema
Pneumonia Asthma Pleurisy |
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Emphysema
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Alveoli coelesce( Reduce surface area) Lose elasticity
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Pneumonia
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viral/bacterial infection WBC/ fluid accumulates in lungs
Gases can't exchange |
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Asthma
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constriction of airway smooth muscle
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Pleurisy
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inflammation of pleura due to infecton/trauma
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Structures
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Nose
Nasal Cavities Paranasal Sinus Pharynx Larynx |
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Nose
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Skin over bony framework
Distally hyaline cartilage External nares(nostrils) where nasal cavities open to exterior Internal nares where nasal cavities open into nasopharynx |
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Paranasal Sinuses
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Warm, moisten
Resonating chamber |
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Pharynx(throat)
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Superiorly communicates with nasaloral cavities
Inferiorly communicates with larynx/esophagus |
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3Portions
Nasopharynx |
upper portion(above soft palete)
soft palete and uvula form floor auditory tube opens into pharyngeal tonsils on posterior wall lining pseudostratified ciliated columnar epithelium |
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3portions
Oropharynx |
middle
between soft palate/hyoid anterior wall base of tongue palatine and lingual tonsils lining stratified squamous epithelium |
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3portions
Laryngopharynx |
Lower
Below hyoid Lining stratified squamous epithelium Inferiorly, opens into larynx anteriorly opens into esophagus posteriorly |
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Larynx(voice box)
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Connects laryngopharynx and trachea
Muscles/ligaments hold 9 cartilages together to form larynx Lining ciliated pseudostratified columnar epithelium/goblet cells |
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9 Cartilages:
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1.Thyroid (adams apple) largest triangular shape
2.cricoid ring shaped,below 3.epiglottis leaf shaped/lid over glottis 4.arytenoid(2) vocal cords attach to 5.cuneiform(2) smallclub shaped 6.Corniculate(2) smallhornshaped |
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Functions of Larynx
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air passage
protective sphincter sound production |
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Vocal cords
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2pairs of mucous membrane folds stretch horizontally across entrance into larynx
From thyroid cartilage to arytenoid cartilage |
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Ventricular folds
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upper
"false" vocal cords support true vocal cords |
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True Vocal Cords
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Lower
Vocal Folds Within folds are elastic ligaments Vibrate in sound production Intrinsic muscles adjust tention (narroe/widen glottis) |
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Extrinsic muscles
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elevate muscles
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