Unit 9 Respiratory System Study Guide – Flashcards
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(T/F) Most patients have a genetic predisposition to COPD
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False
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Study your 2 essay questions
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review your packet. If you missed the essay questions, they are on schoology
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The portions of the brain that contain respiratory centers and sets the breathing rate are the ______________________ and _________________
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medulla and pons
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When carbon dioxide dissolves in water, it forms _______________ ________________
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carbonic acid
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Oxygen is transported in the blood to _________________
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oxyhemoglobin
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During _____________________, oxygen binds to hemoglobin to form oxyhemoglobin
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external respiration
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Which tonsils are located in the oropharynx at the end of the soft palate?
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palatine tonsils
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The process of moving air into and out of the lungs is commonly called breathing or _________ _______________
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pulmonary ventilation
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oxygen is unloaded from the blood stream and diffuses into surrounding cells and tissues during __________________ ____________
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internal respiration
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Vibration due to exhaled air that results in speech is a function of the ___________________ ________________ ______________
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true vocal cords
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What age-related disorder is related to loss of elasticity of the lungs?
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sleep apnea
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A breathing rate of 14 breaths per minute represents ______________
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eupnea
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The abbreviation IRDS stands for_______________________
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infant respiratory distress syndrome
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The respiratory movement representing the total amount of exchangeable air is the _________________
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Vital Capacity
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___________________________ dramatically increases carbonic acid concentration and involves extremely slow breathing
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hypoventilation
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Surfactant is usually present in fetal lungs in adequate by ______________-__________ weeks of pregnancy.
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28-30
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When breathing in, air enters the trachea through the ________________
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glottis
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Chronically inflamed, hypersensitive bronchial passages that respond to many irritants are characteristics of _________________
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asthma
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What sweeps contaminated mucus from the nasal cavity to the throat?
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cilia
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What are the 4 main events of respiration?
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external respiration, pulmonary ventilation, internal respiration, respiratory gas transport
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What is the role of mucus in the nasal cavity?
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traps incoming bacteria and other foreign debris
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The regulation of the activity of the breathing muscles, the diaphragm and external intercoastals is controlled by nerve impulses transmitted from the brain via the __________ and _______________ nerves.
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phrenic; intercostal
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Lung collapse can also be called _______________________________
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atelectasis
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What accounts for the majority of cases of lung cancer?
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adenocarcinoma
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Air flowing out of the lungs is known as ___________________
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expiration
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The posterior portion of the palate that is not supported by bone is called the _______________________
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soft palate
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(T/F) Lung cancer is generally more prevalent in males than females
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False
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Respiratory capacities are measured with a ________________
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spirometer
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Gas exchange occurs in the _________________
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alveoli
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The smallest conduction passageways of the lungs are known as______________
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bronchioles
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The normal respiratory rate of 12-15 breaths per minute is known as _________________
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eupnea
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(T/F) hyperventilation leads to the buildup of carbon dioxide in the blood
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False
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Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by ____________________ ______________
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simple diffusion
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The ______________________ routes air and food into their proper channels and plays a role in speech
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larynx
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(T/F) The portion of the pharynx continuous with the mouth is termed the oropharynx.
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True
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(T/F) The Expiration occurs when the thoracic and intrapulmonary volumes decrease and the intrapulmonary pressure increases
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True
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(T/F) The respiratory membrane is the air-blood barrier, where gases are exchanged.
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True
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(T/F) The larnyx routes air and food into their proper channel and plays an important role in speech production.
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True
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The surface of each lung is cvered by pulmonary or visceral pleura
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True
