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Respiratory Inflammation and Infection Chapter 20 Questions and Answers 2025 Respiratory Inflammation and Infection Chapter 20 Questions and Answers 2025
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what is the most common route of transmission for respiratory infections? - Correct answer droplet infection what is the most frequently occurring respiratory infection? - Correct answer common cold what virus accounts for about 40% of common colds? - Correct answer rhinovirus what are the 3 main purposes of the upper respiratory tract? - Correct answer conducts air to the lower airways; protects the lungs from foreign matter; and warms, filers, and humidifies air as it enters the lungs how many lobes of lung tissue are on the left? - Correct answer 2 how many lobes of lung tissue are on the right? - Correct answer 3 occurs when material from the oropharynx enters the lower respiratory tract
what part of the respiratory tract keeps the lower respiratory tract and alveoli free from microorganisms? - Correct answer mucociliary apparatus what paralyzes the mucociliary apparatus? - Correct answer smoking where does gas exchange of oxygen and carbon dioxide occur? - Correct answer respiratory bronchioles, alveolar ducts, and alveoli thin-walled, balloon-like structures surrounded by pulmonary capillaries - Correct answer alveoli oxygen combined loosely with the heme portion of hemoglobin - Correct answer oxyhemoglobin what is the most important function of hemoglobin? - Correct answer combine with oxygen in the lungs and then release oxygen to the peripheral tissues how many oxygen molecules can each hemoglobin carry? - Correct answer 4 responsible for the stimulation of red blood cell production - Correct answer erythropoietin a muscle that separates the abdomen from the thoracic cavity - Correct answer diaphragm what type of muscle is the diaphragm composed of? - Correct answer skeletal and smooth muscle incoming air movement as the lungs expand - Correct answer inspiration accompanying air movement with lung deflation - Correct answer expiration contractions that occur when an individual uses the intercostal muscles to breathe - Correct answer retractions
blood from the GI tract - Correct answer hematemesis the collapse of a small number of alveoli resulting in reduced gas exchange
loud, tubular, high pitched breath sounds heard over the trachea - Correct answer bronchial breath sounds qual in inspiration and expiration, have an intermediate intensity and pitch, and are heard over the bronchi - Correct answer bronchovesicular sounds longer in inspiration than expiration, low pitched, and heard over the peripheral lung fields - Correct answer vesicular breath sounds extra lung sounds superimposed over normal breath sounds - Correct answer adventitious breath sounds the transmission of the sounds of speech through the lungs as heard when using the stethoscope - Correct answer vocal resonance serum blood values obtained through an arterial puncture - Correct answer arterial blood gases what is an indicator of alveolar ventilation? - Correct answer arterial carbon dioxide level the removal of pleural fluid using a large-bore needle inserted through the chest wall into the pleural space - Correct answer thoracocentesis what type of WBC is high in a CBC during a viral infection of the respiratory tract? - Correct answer lymphocytes what type of WBC is high in a CBC during a bacterial infection of the respiratory tract? - Correct answer neutrophil what type of WBC is high due to allergy rhinitis? - Correct answer eosinophils what is acute pharyngitis caused by? - Correct answer virus what test can confirm pharyngitis due to GABHS? - Correct answer throat culture
what are the two types of TB? - Correct answer TB disease and latent TB infection what is a respiratory infection that is a leading cause of mortality among persons infected with HIV? - Correct answer TB how is TB spread? - Correct answer airborne droplets when is an individual at the highest risk of developing active TB after contracting the bacteria? - Correct answer within 2 years what is the preferred area of growth for TB? - Correct answer lung tissue with high oxygen levels TB of the lumph nodes - Correct answer scrofula what are classic signs of TB? - Correct answer chronic cough, weight loss, night swears, and hemoptysis a screening test for TB - Correct answer Mantoux tuberculin skin test in a patient who has been exposed to M. tuberculosis, how will the test site appear after 48 hours? - Correct answer elevated and hardened what is the next step for a person with a positive TB skin test? - Correct answer chest x-ray blood test used to screen for TB - Correct answer interferon gamma release assay what is a first line TB medication? - Correct answer rifampicin what is the most reliable test for diagnosis of TB? - Correct answer sputum smear what type of precautions are a TB patient placed under? - Correct answer respiratory isolation