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The Respiratory System (Chapter 11) > The Respiratory System : Key Terms > Flashcards

The Respiratory System : Key Terms Flashcards

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1
Q

alveoli

A

the tiny air sacs in the lungs through which gases are exchanged between the atmosphere and the blood in respiration. An alveolus is a small hollow or cavity

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2
Q

bronchiole

A

one of the smaller subdivisions of the bronchial tubes

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3
Q

bronchus

A

one of the larger air passageways in the lungs. The bronchi begin as two branches of the trachea and then subdivide within the lungs

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4
Q

carbon dioxide

A

CO2 : a gas produced by energy metabolism in cells and eliminated through the lungs

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5
Q

carbonic acid

A

an acid formed when CO2 dissolves in water - H2CO3

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6
Q

compliance

A

a measure of how easily the lungs expand under pressure. Compliance is reduced in many typed of respiratory disorders

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7
Q

diaphragm

A

the dome shaped muscle under the lungs that flattens during inspiration

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8
Q

epiglottis

A

a leaf shaped cartilage that covers the larynx during swallowing to prevent food from entering the trachea

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9
Q

expectoration

A

the act of coughing up material from the respiratory tract; also the material released; sputum

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10
Q

glottis

A

the opening between the vocal cords

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11
Q

hemoglobin

A

the iron containing pigment in RBC’s that transports O2

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12
Q

inspiration

A

the act of drawing air into the lungs; inhalation

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13
Q

larynx

A

the enlarged, superior portion of the trachea that contains the vocal cords

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14
Q

lung

A

a cone shaped, spongy respiratory organ contained within the thorax

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15
Q

mediastinum

A

the space between the lungs together with the organs contained in this space

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16
Q

nose

A

the organ of the face used for breathing and for housing receptors for the sense of smell; includes an external portion and an internal nasal cavity

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17
Q

oxygen (O2)

A

the gas needed by cells to release energy from food during metabolism

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18
Q

palatine tonsils

A

the paired masses of lymphoid tissue located on either side of the oropharynx; usually meant

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19
Q

pharynx

A

the throat; a common passageway for food entering the esophagus and air entering the larynx

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20
Q

phrenic nerve

A

the nerve that activates the diaphragm

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21
Q

pleura

A

a double-layered membrane that lines the thoracic cavity (parietal pleura) and covers the lungs (visceral pleura)

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22
Q

pleural space

A

the thin, fluid-filled space between the two layers of the pleura; pleural cavity

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23
Q

pulmonary ventilation

A

the movement of air into and out of the lungs

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24
Q

sinus

A

a cavity or channel; the paranasal sinuses are located near the nose and drain into the nasal cavity

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25
sputum
the substance released by coughing or clearing the throat; expectoration. It may contain a variety of material from the respiratory tract.
26
surfactant
a substance that decreases surface tension within the alveoli and eases lung expansion
27
trachea
the air passageway that extends from the larynx to the bronchi
28
turbinate bones
the bony projections in the nasal cavity that contain receptors for the sense of smell; aka conchae
29
vocal cords
membranous folds on either side of the larynx that are important in speech production. Also called vocal folds.
30
adenoids
lymphoid tissue located in the nasopharynx; the pharyngeal tonsils
31
acidosis
abnormal acidity of body fluids. Respiratory acidosis is caused by abnormally high carbon dioxide levels
32
ARDS
Acute respiratory distress syndrome: pulmonary edema that can lead rapidly to fatal respiratory failure; causes include trauma, aspiration into the lungs, viral pneumonia, and drug reactions; shock lung
33
acute rhinitis
inflammation of the nasal mucosa with sneezing, tearing, and profuse secretion of watery mucus, as seen in the common cold.
34
alkalosis
abnormal alkalinity of body fluids. Respiratory alkalosis is caused by abnormally low carbon dioxide levels
35
aspiration
the accidental inhalation of food or other foreign material into the lungs. Also means the withdrawal of fluid from a cavity by suction
36
asthma
a disease characterized by dyspnea and wheezing caused by spasm of the bronchial tubes or swelling of their mucous membrane
37
atelectasis
incomplete expansion of a lung or part of a lung; lung collapse. May be present at birth (as in respiratory distress syndrome) or be caused by bronchial obstruction or compression of lung tissue
38
bronchiectasis
chronic dilatation of a bronchus or bronchi
39
bronchitis
inflammation of a bronchus
40
COPD
chronic obstructive pulmonary disease: any of a group of chronic, progressive, and debilitating respiratory diseases, which includes emphysema, asthma, bronchitis, and bronchiectasis
41
cyanosis
bluish discoloration of the skin caused by lack of oxygen in the blood
42
CF
Cystic Fibrosis: an inherited disease that affects the pancreas, respiratory system, and sweat glands. Characterized by mucus accumulation in the bronchi causing obstruction and leading to infection
43
diphtheria
acute infectious disease, usually limited to the upper respiratory tract, characterized by the formation of a surface pseudomembrane composed of cells and coagulated material
44
dyspnea
difficult or labored breathing, sometimes with pain; "air hunger"
45
emphysema
a chronic pulmonary disease characterized by enlargement and destruction of the alveoli
46
empyema
accumulation of pus in a body cavity, especially the pleural space; pyothorax
47
hemoptysis
the spitting of blood from the mouth or respiratory tract (ptysis: spitting)
48
hemothorax
presence of blood in the pleural space
49
hydrothorax
presence of fluid in the pleural space
50
hyperventilation
increased rate and depth of breathing; increase in the amount of air entering the alveoli
51
hypoventilation
decreased rate and depth of breathing; decrease in the amount of air entering the alveoli
52
influenza
an acute, contagious respiratory infection causing fever, chills, headache, and muscle pain; "flu"
53
pertussis
an acute, infectious disease characterized by a cough ending in a whooping inspiration; whooping cough
54
pleural effusion
accumulation of fluid in the pleural space. The fluid may contain blood (hemothorax) or pus (pyothorax or empyema)
55
pleurisy
inflammation of the pleura; pleuritis. A symptom of pleurisy is sharp pain on breathing
56
pneumoconiosis
disease of the respiratory tract caused by inhalation of dust particles. Named more specifically by the type of dust inhaled, such as silicosis, anthracosis, asbestosis
57
pneumonia
inflammation of the lungs generally caused by infection. May involve the bronchioles and alveoli (bronchopneumonia) or one or more lobes of the lung (lobar pneumonia)
58
pneumonitis
inflammation of the lungs; may be caused by infection, asthma, allergy, or inhalation of irritants
59
pneumothorax
accumulation of air or gas in the pleural space. May result from injury or disease or may be produced artificially to collapse a lung
60
pyothorax
accumulation of pus in the pleural space; empyema
61
RDS
respiratory distress syndrome: a respiratory disorder that affects premature infants born without enough surfactant in the lungs. It is treated with respiratory support and surfactant administration
62
SIDS
sudden infant death syndrome: the sudden and unexplained death of an apparently healthy infant; crib death
63
tuberculosis
an infectious disease caused by the tubercle bacillus, Mycobacterium tuberculosis. Often involves the lungs but may involve other parts of the body as well. Miliary tuberculosis is an acute generalized form of the disease with formation of minute tubercles that resemble millet seeds
64
ABGs
arterial blood gases: the concentration of gases, specifically oxygen and carbon dioxide, in arterial blood. Reported as the partial pressure (P) of the gas in arterial (a) blood, such as PaO2 or PaCO2. These measurements are important in measuring acid-base balance
65
bronchoscope
an endoscope used to examine the tracheobronchial passageways. Also allows access for tissue biopsy or removal of a foreign object
66
lung scan
study based on the accumulation of radioactive isotopes in lung tissue.
67
pulse oximetry
determination of the oxygen saturation of arterial blood by means of a photoelectric apparatus (oximeter), usually placed on the finger or the ear; reported as SpO2, in percent
68
pulmonary function tests
tests done to assess breathing, usually by spirometry
69
spirometer
an apparatus used to measure breathing volumes and capacities; record of test is a spriogram
70
thoracentesis
surgical puncture of the chest for removal of air or fluids, such as may accumulate after surgery or as a result of injury, infection, or cardiovascular problems. AKA thoracocentesis.
71
tuberculin test
a skin test for tuberculosis. Tuberculin (PPD), the test material made from products of the tuberculosis organism, is injected below the skin. A hard, raised lump appearing within 48-72 hours indicates an active or inactive TB infection. AKA Mantoux

The Respiratory System (Chapter 11) (4 decks)

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