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Human Diseases and Conditions, Chapter 9
Chapter 9, Diseases of the Respiratory System
Primary function of the respiratory System
ventilation and respiration
Process of Breathing
The lungs, along with the kidneys, have a major metabolic function: the maintenance of acid-based (pH) balance of the blood.
Common cold etiology
The common cold is a group of minor illnesses that can be caused by almost 200 different viruses. Mycoplasma and other atypical organisms that are more like bacteria than viruses.
Common cold treatment
Antibiotics are of little value in treating viral infections
Common cold Prevention
viruses are not always clearly defined
Sinusitis can be caused by either viral, fungal, or more commonly bacterial infections that travel to the sinuses from teh nose, often after the patient has been infected by a common cold.
can include saline nasal spray, corticosteroid nasal sprays, broad-spectrum antibiotics, oral corticosteroid, antihistamines and decongestants. Also immunotheropy and sinusotomy.
Deviated Septum S&S
narrowing and obstruction of the air passage. Slightly increased t3endency to develop sinusitis
Deviated Septum Treatment
can be straightened surgically to repair significant obstruction or for cosmetic reasons.
distended mucous membranes protruding into the nasal cavity.
direct trauma to the nose, picking the nose and the presence of a foreign body. Also systemic disorders, hypertension, hemophilia, and leukemia
Tumors fo the Larynx S&S
Dysphonia is usually the only symptom of a tumor on the larynx
it is the most common site for head and neck tumors
airless or collapsed state of the pulmonary tissue
obstruction of the bronchial tree; failure to breath deeply postoperatively, or prolonged inactivity, also can induce the collapse of pulmonary tissue
Pulmonary embolism etiology
stasis of blood flow from immobility, injury to a vessel, predisposition to clot formation, increases the risk of embolism formation.
organism-specific antibiotics are prescribed for bacterial pneumonia.
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