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123 Cards in this Set
- Front
- Back
Lipoprotein that lowers surface tension in the alveoli, reducing the amount of pressure of needed to inflate the alveoli. |
Surfactant
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Alveolar collapse
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Atelectasis
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A baby born at 32 weeks gestation suffers IRDS shortly after delivery. What is likely the root cause?
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Insufficient surfactant production
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A man experiencing Respiritory issues related to anxiety is more like to experience Respiritory acidosis or alkalosis?
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Respiratory Alkalosis due to hyperventilation
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A man experiencing Respiritory issues related to atelectasis is more like to experience respiritory acidosis or alkalosis?
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Respiritory acidosis due to hypoventilation
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pH level in acidosis
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Arterial blood pH < 7.35
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pH level in alkalosis
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Arterial blood pH > 7.45
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ABG analysis for respiratory acidosis
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pH: < 7.35 ; PaCO2: >45 Mmhg; HCO3: norm
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ABG analysis for respiratory alkalosis
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pH: > 7.45 ; PaCO2: <35 Mmhg; HCO3: norm
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Blue or purple coloration of the skin or mucous membranes due to the tissues near the skin surface being low on oxygen.
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Cyanosis
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Suspension of external breathing
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Apnea
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Most cases of infant respiratory distress syndrome can be ameliorated or prevented if mothers who are about to deliver prematurely are given ____________ hormones
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glucocorticoid
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Shortness of breath
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Dyspnea
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Shortness of breath (dyspnea) which occurs when lying flat.
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Orthopnea
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A person who sleeps propped up in bed or sitting in a chair so that they can breath, likely suffers from...
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Orthopnea
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A normal respiritory response to exertion. Cause for alarm when it occurs during moderate activity or rest.
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Dyspnea
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Increased depth of breathing when required to meet metabolic demand of body tissues
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Hyperpnea
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Rapid, shallow breathing
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Tachypnea
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Coughin up of blood or of blood-stained sputum from the bronchi, larynx, trachea, or lungs
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Hemoptysis
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Symptom of TB and PE
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Hemoptysis
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Provides true measure of oxygen level
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ABG
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Non-invasive method of monitoring oxygenation of a patient's hemoglobin
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Pulse oximetry
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Unexplained death, usually during sleep, of a seemingly healthy baby
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Sudden infant death syndrome (SIDS)
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Most SIDS deaths occur in children between _________ and _________ of age.
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2 months, 4 months
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Sudden infant death syndrome rarely occurs before _________ of age or after _________.
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1 month, 6 months
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Factors that form the triple-risk model of SIDS
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- vulnerability (often genetic)
- critical developmental period - outside stressor |
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Environmental stressors for SIDS that should be removed from crib include...
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Pillows, blankets, bumper pads, loose fiting bottom sheet, soft toys
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Maternal factors that increase infants risk of SIDS
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Mother....
is less than 20 during 1st pregnancy had late or no prenatal care had too short an interval during pregnancies smoked during or after pregnancy |
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Non-maternal risk factors for SIDS
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Premature
Low birth weight Multiples Stomach sleeping |
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Bed/sofa sharing __________ the risk of SIDS while room sharing may ________ risk.
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Increases, decrease
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The most important preventative measure for SIDS...
A. Pacifier use B. Back sleeping C. Maternal prenatal smoking cessation D. Prevention of over-heating |
B. Back sleeping
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Congenital abnormalities in the "arcuate nucleus," (portion of the brain that is involved in control of respiration, heart rate, thermoregulation and arousal during sleep) may contrribute to...
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SIDS
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The leading cause of death in infants between one to 12 months old.
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SIDS
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Life-threatening condition that causes lung inflamation and fluid build up in the air sacs.
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Acute respiratory distress syndrome (ARDS)
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Causes of ARDS
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pneumonia, septic shock, trauma, aspiration of vomit, or chemical inhalation
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Occlusion of a portion of the pulmonary vascular bed by an embolus, which can be a thrombus, tissue fragment, lipids, foreign body, or an air bubble.
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Pulmonary embolism
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Most common cause of pulmonary embolism
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DVT
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Types of pneumonia
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bacterial
viral fungal Inhalation aspiration community acquired: CAP hospital acquired: HAP ventilator acquired: VAP |
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Pneumonia is caused by the inhalation, aspiration or hematogenous spread of pathogens that can be _________, _________ or _________.
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bacterial, viral, fungal
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Pneumonia treatments
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Antibiotics: zithromax or biaxan mycin drugs
Oxygen Analgesics Antipyretics Fluids |
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A 39 year old woman comes to the emergency room with pneumonia. What lab test would be ordered to determine how to treat?
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Sputum Culture
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All of the following are used to treat viral pneumonia, except...
A. Antibiotics B. Antipyretics C. Fluids D. Analgesics |
A. Antibiotics
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A person living in a homeless shelter is most at risk for ___________ pneumonia while an elderly person has a higher risk of developing ___________ pneumonia.
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Inhalation, aspiration
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Air in the pleural space a causing complete or partial collapse of the lung. Treated with cest tube.
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Pnuemothorax
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Rupture of lung visceral pleura allowing lung to collapse
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Closed pneumothorax
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Opening in chest wall
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Open pneumothorax
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Tear in the pleural space caused by high intrapleural pressure from an open or closed pneumothorax. Causes tracheal deviation and collapse lung
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Tension pneumothorax
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Accumulation of blood in the intrapleural space, result from chest trauma, lung malignancies, pulmonary emboli
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Hemothorax
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Pussy pleural drainage. Treated with antibiotics
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Purulent
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Cloudy pleural drainage with inflammatory cells. May be caused by tumor.
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Exudative
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Clear pleural drainage
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Transudative
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Collection of pus (abcess) in the pleural space that often results from untreated infection.
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Empyema
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Squamous cell cancer that affects the vocal cords, glottis area.
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Laryngeal Cancer
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Causes of laryngeal cancer
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Smoking, alcohol and HPV virus
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Classical symptom of laryngeal cancer
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Hoarseness
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Infectious illness of the respiratory system involving the larynx, trachea, and the airways leading to the lungs. Found in babies and young children.
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Croup
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Croup most often occurs when weather is ________ and is sometimes caused by ________ and __________.
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Colder, viruses, bacteria
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Classical symptom of croup
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Barking cough that worsens at night.
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The most common chronic respiratory disorder that includes a spectrum of diseases characterized by limited airflow and poor oxygenation of the blood.
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COPD
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Leading cause of COPD
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Smoking
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Two main disease processes of COPD
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emphysema and chronic bronchitis
Chronic asthma, cystic fibrosis, and chronic bronchiectasis are also COPD |
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Symptoms of COPD
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Chronic productive cough
Barrel chest Increasing tolerance of high CO2 levels and low O2 levels Shortness of breath upon exertion Club fingers Wheezing Fever if an infection (bronchitis) is present |
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Inflammation of the bronchi with enlargement and hypersecretion of the mucous glands which leads to diffuse airway obstruction
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Bronchitis
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Assessment of chronic bronchitis
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Heavy productive cough
Progression - cough becomes continuous Dyspnea and wheezing become more severe. Cyanosis Generalized edema |
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Acute bronchitis is caused by _________ or __________ and often develops during the course of an upper respiratory infection
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Viruses, bacteria
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Chronic bronchitis most often develops due to recurrent injury to the airways caused by inhaled irritants such as __________.
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cigarette smoking
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Chronic bronchitis is characterized by the presence of a productive cough that lasts for _____ months or more per year for at least _____ years.
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Three, two
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Manifestation of COPD charachterized by loss of alveolar function that diminishes lung recoil and weakens expiration. The lung therefore remains partially expanded following expiration, producing air trapping
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Emphysema
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Deficiency of this enzyme inhibitor is thought to contribute to emphysema.
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Alpha-antitripsyn
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Assessment of emphysema
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Chronic cough and dyspnea
Pursed-lip breathing with prolonged expiration. Barrel chest and use of accessory muscles Hyper resonance on percussion, decreased vocal fremitus on palpation. Distant Breath and heart sounds Anorexia, Weakness, Muscle loss, Weight loss Acyantoic until very late in the disease |
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In addition to chronic, productive cough, a 72 yr old woman presents with generalized edema and cyanosis. Does she have chronic bronchitis or emphysema?
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Chronic bronchitis
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A 67 year old man Presents with chronic cough and dyspnea at rest. He has a barrel chest and has lost a significant amount of weight in the past year. Does he have chronic bronchitis or emphysema?
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Emphysema
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Color of sputum indicating infection
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Yellow-green/green
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Low Blood Oxygen levels - saturation < 85%
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HYPOXEMIA
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Early symptoms of Hypoxemia
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Mood changes
Forgetfulness Inability to concentrate |
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Later signs of hypoxemia
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Increasing restlessness
Cyanosis |
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Pathological condition in which the body as a whole or a region of the body is deprived of adequate oxygen supply
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Hypoxia
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Hypoxia vs. Hypoxemia
In ________, the oxygen concentration within the arterial blood is abnormally low. It is possible with _______ and have a low oxygen content but maintain high oxygen partial pressure (pO2). |
Hypoxemia, hypoxia
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The pulmonary diet is high in _______ and _______, and low in ______.
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High in Calories, protein
Low in carbohydrates |
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Tuberculosis is caused by...
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Mycobacterium tuberculosis
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Tuberculosis is spread via ________ transmission.
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Airborne
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Populations at risk for tuberculosis
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HIV
homeless inner city residents newborns drug users low social economic individuals |
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Diagnostic testing for TB
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TB skin test
Chest x-ray Sputum studies |
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The defective gene responsible for CF is located on chromosome ___ and its inheritance is ____________.
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Chromosome 7
Autosomal recessive inheritance |
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Disease caused by a defective gene which alters a protein that regulates the normal movement of salt in and out of cells, Resulting in thick, sticky secretions in the respiratory and digestive tracts, as well as in the reproductive system. It also causes increased salt in sweat on the skin.
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Cystic fibrosis
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Diagnostic test for CF. Positive result is Chloride > 60 meq/L
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Sweat test
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____________ lung carcinoma is sometimes treated with surgery, while ________ lung carcinoma usually responds better to chemotherapy and radiation.
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non-small-cell, small cell
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Partial or complete Upper airway obstruction during sleep resulting in hypoxia
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Sleep Apnea
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Treatments for sleep apnea
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O2 therapy at night (C-PAP)
surgical removal of the uvula, tonsil and obstructive tissues |
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An overweight 42 yr old woman complains of insomnia, daytime sleepiness, headaches, irritability. Her husband says her snoring keeps him awake. Sleep apnea is suspected. What test would confirm?
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Sleep study using polysomnograhphy equipment
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Lung Scan is a CT scan used to _________.
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Measure masses
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Drawing fluid from pleural space for analysis
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Thoracentesis
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Skin testing (scratch tests) can be sued to diagnose....
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TB, allergies
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Sputum Culture is collected for...
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AFB and cytology study
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Swab to perform test for infection
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Throat Culture
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Pulmonary Functions (ABG’s) measure...
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Ability of lung to perform O2 and CO2 exchange
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Endoscopic procedure allowing a visual exam of pulmonary system
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Bronchoscopy
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Chest X-ray is used to...
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Visualize lung fields for fluid, masses, fractures, and size of heart
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Measures capillary O2 concentration
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Oximetry
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Tidal Volume, residual volume, vital capacity, total lung capacity and functional residual capacity are all measures of...
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Pulmonary functions
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Peak Expiratory Flow Rate is...
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Highest point obtained during maximum expiration
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Peak Expiratory Flow Rate is...
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Highest point obtained during maximum expiration
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Frequency of mild persistent athsma
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Symptoms more than twice a week, but no more than once in a single day
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Clasification of athsma with symptoms through the day on most days and frequently at night
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Severe Persistent
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In mild Intermittent athsma, symptoms are mild and occur up to ________ a week and up to ________ a month
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up to two days a week and up to two nights a month
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Athsma with symptoms one a day and more than one night a week
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Moderate Persistent
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Symptoms of athsma
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Sudden dyspnea, wheezing, tightness in the chest, coughing that produces thick, clear, or yellow sputum, tachypnea, rapid pulse, profuse perspiration, diminished breath sounds.
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Extrinsic/allergic asthma is an _____ mediated response to allergens.
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IgE
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Test for asthma
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Spirometry
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In addition to avoiding triggers, Asthma is treated with _________ for fast acting relief and _________ for long term control
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Albuterol, Glucocorticoid
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Can asthma be inherited?
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Yes. Asthma is thought to be caused by an interaction of genetic factors and environmental triggers.
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The classic symptoms of an asthma attack are...
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shortness of breath, wheezing, and chest tightness
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Assessment of ARDS
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Rapid onset of Respiritory distress symptoms after initiating event
Severe shortness of breath Labored and unusually rapid breathing Low blood pressure Confusion and extreme tiredness Cough or fever, in some cases |
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Conditions in which ARDS can develop
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Aspiration
Ingestion of narcotics/toxins/therapeutic agents Infections Trauma/ shock |
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Classic sign of pulmonary edema
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Production of pink frothy sputum
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Pulmonary edema caused by direct damage to the tissue is termed...
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Non-cardiogenic
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The most common cause of pulmonary edema is __________, meaning it is the result of inadequate functioning of the heart or circulatory system.
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Cardiogenic
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First sign of hypoxia
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mental deterioration
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Upnea RR
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16-20 breaths/min
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Bradypenia RR
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< 10 breaths/min
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Tachypnea RR
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> 35 breaths/min
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no respirations for > 16 seconds
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Apnea
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Cues for Respiritory distress
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Eyes:pale, conjuctive cyanotic
Mouth:lips cyanotic or pursed lip breathing Neck vein distended Nose flaring Chest with retractions or asymmetric breathing Skin: cyanotic or edematous Finger nailbeds clubbing or cyanotic |