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Respiratory Physiology Q&A: Gas Exchange, Ventilation, and Pulmonary Disorders, Exams of Biology

A comprehensive series of questions and answers related to respiratory physiology, focusing on gas exchange, ventilation, and common pulmonary disorders. it delves into key concepts such as dyspnea, orthopnea, hemoptysis, and various respiratory patterns like kussmaul and cheyne-stokes respirations. The q&a format facilitates understanding of ventilation/perfusion ratios, their clinical significance, and the implications of imbalances in gas exchange. the detailed explanations enhance comprehension of complex physiological processes and their clinical manifestations, making it a valuable resource for students of respiratory physiology.

Typology: Exams

2024/2025

Available from 05/26/2025

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BIO || 669 || Pulmonary || problems || exam ||
with || correct || answers
_____________ || is || the || subjective || sensation || fo || uncomfortable || breathing. ||
_____________ || is || r/t || HF || and || puts || more || pressure || on || the || diaphragm || leading || to || dyspnea ||
when || lying || down. ||
_____________ || _____________ || _____________: || leads || to || waking || up || at || night || gasping || for ||
air, || could || be || pulmonary || or || cardiac || that || leads || to || this. || - || Correct || answers || dyspnea
orthopnea
PND
The || acute || cough || is || 2-3 || weeks, || and || chronic || cough || is || long || term, || most || commonly || assoc ||
with || _____________ || _____________ || and || can || start || to || cause || respiratory || changes || such || as ||
_____________ || _____________, || damage || to || respiratory || tract || d/t || smoke || inhalation, ||
assume || _____________ || or || chronic || cough || as || a || result || of || smoking || , || but || need || to || r/o ||
_____________ || _____________ || and || non-smoker's || cough || d/t || URI, || CHF, || pneumonia, ||
paroxysmal || nocturnal || dyspnea || - || Correct || answers || smoker's || cough
cilliary || paralysis
bronchitis
lung || cancer
_____________: || coughing || up || blood, || burst || aneurysm, || somehow || blood || is || making || way || into ||
airways. || - || Correct || answers || hemoptysis
_____________ || _____________: || large || tidal || volume, || breathing || deeply || and || not || pausing || in ||
between || deep || breaths, || slight || inc || rate. ||
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Download Respiratory Physiology Q&A: Gas Exchange, Ventilation, and Pulmonary Disorders and more Exams Biology in PDF only on Docsity!

BIO || 669 || Pulmonary || problems || exam ||

with || correct || answers

_____________ || is || the || subjective || sensation || fo || uncomfortable || breathing. || _____________ || is || r/t || HF || and || puts || more || pressure || on || the || diaphragm || leading || to || dyspnea || when || lying || down. || _____________ || _____________ || _____________: || leads || to || waking || up || at || night || gasping || for || air, || could || be || pulmonary || or || cardiac || that || leads || to || this. || - || Correct || answers || ✔dyspnea orthopnea PND The || acute || cough || is || 2-3 || weeks, || and || chronic || cough || is || long || term, || most || commonly || assoc || with || _____________ || _____________ || and || can || start || to || cause || respiratory || changes || such || as || _____________ || _____________, || damage || to || respiratory || tract || d/t || smoke || inhalation, || assume || _____________ || or || chronic || cough || as || a || result || of || smoking || , || but || need || to || r/o || _____________ || _____________ || and || non-smoker's || cough || d/t || URI, || CHF, || pneumonia, || paroxysmal || nocturnal || dyspnea || - || Correct || answers || ✔smoker's || cough cilliary || paralysis bronchitis lung || cancer _____________: || coughing || up || blood, || burst || aneurysm, || somehow || blood || is || making || way || into || airways. || - || Correct || answers || ✔hemoptysis _____________ || _____________: || large || tidal || volume, || breathing || deeply || and || not || pausing || in || between || deep || breaths, || slight || inc || rate. ||

_____________ || _____________: || alternating || shallow || and || deep || breathing, || if || shallow, || progressively || deepens, || reach || a || crescendo, || then || become || more || shallow || until || the || person || develops || _____________, || then || becomes || shallow, || then || repeats || resulting || in || _____________ || _____________. || - || Correct || answers || ✔Kussmaul || respirations Cheyne-stokes || respirations apnea brainstem || hypoxia _____________ || dec || ventilation || leading || to || CO2 || buildup _____________- || CO2 || retention || - || Correct || answers || ✔hypoventilation hypercapnia _____________: || inc || in || ventilation, || remove || CO2 || faster || than || you're || making || it || so || have || _____________, || r/t || _____________ || more || than || gas || exchange. || - || Correct || answers || ✔hyperventilation hypocapnia ventilation _____________: || not || a || great || indicator || of || perfusion || or || O2 || delivery. || _____________ || cyanosis: || throughout || body, || dec || arterial || oxygenation _____________ || cyanosis: || localized || and || d/t || poor || circulation || - || Correct || answers || ✔cyanosis central peripheral _____________: || chronic || hypoxemia || indicator, || if || you || have || pulmonary || _____________, || can || lead || to || chronic || hypoxemia, || and || its || thought || that || the || _____________ || become || dislodged || within || the || fingertips || and || lead || to || the || release || of || platelet || derived || _____________ || factors || leading || to || remodeling || of || finger || tips. || - || Correct || answers || ✔clubbing

blood || to || that || stale || air || alveolus, || and || will || _____________ || to || another || area. || - || Correct || answers || ✔blood vasoconstrict shunt If || there || is || a || widespread || lack || of || ventilation, || and || there || is || no || place || to || shunt || the || blood || to || that || would || get || better || ventilation || or || perfusion, || will || get || _____________ || to || _____________ || shunting, || leading || to || _____________ || oxygenation || and || _____________ || Co2 || retention, || and || lead || to || _____________ || blood || going || back || into || the || systemic || circulation, || bc || there || is || no || good || place || to || shunt || the || blood || to. || - || Correct || answers || ✔R || to || L || shunting, || dec || oxygenation, || inc || Co2 || retention deoxygenated If || the || primary || problem || is || hypoxemia, || it || may || indicate || more || of || an || inadequate || _____________ || _____________ || and || something || is || probably || going || on || more || at || the || _____________ || _____________, || like || edema || or || fibrosis, || and || this || helps || to || indicate || which || part || of || the || respiratory || system || may || be || most || affected. || - || Correct || answers || ✔gas || exchange alveolocapillary || membrane _____________ || _____________ || _____________ || is || the || inability || to || properly || exchange || gas. || PaO2< || _____ || & || CO2 || > || ___ || with || pH || < || /= || 7.5 || you || have || _____________, || and || inc || Co2 || and || dec || oxygenation. || - || Correct || answers || ✔acute || RF PaO2< Co2 || > acidosis The || normal || V/Q || ration || is || _______ || showing || that || you || have || more || _____________ || than || _____________ || at || baseline. || - || Correct || answers || ✔0.8 || more || perfusion || than || ventilation

____- || ventilation || or || airflow || to || alveoli. || If || you || have || impaired || ventilation, || it || will || cause || the || _____________ || to || drop || and || you || have || _____________. || BC || the || ventilation || is || impaired, || but || still || have || bf || to || this, || you've || got || ______ || ventilation || and || _____________ || perfusion, || and || the || ratio || will || be || overall || _____________ || bc || you || have || a || lot || less || ventilation || and || less || perfusion, || but || more || perfusion || compared || to || the || ventilation. || This || is || an || example || of || a || _____________ || V/Q. || - || Correct || answers || ✔V perfusion hypoxemia low || diminished lower Low || V/Q ____ || stands || for || perfusion || or || the || amount || of || blood || flow || going || to || the || alveolar || unit/ascini ||

  • || Correct || answers || ✔Q If || you || have || impaired || perfusion, || can || have || alveolar || _____________ || space || created, || and || d/t || a || blockage || in || the || artery || or || capillary || bed || leading || to || that || alveolus, || the || air || won't || be || _____________ || so || it's || a || dead || space. || This || leads || to || a || _____________ || V/Q || ratio. || Ex: || _____________ || _____________: || blockage || of || perfusion || to || the || area, || So, || no || matter || how || well || that || area || is || _____________, || the || area || won't || get || _____________ || so || it || will || have || _____________ || ventilation || and || _____________ || perfusion. || - || Correct || answers || ✔dead || space exchanged high || V/Q || ratio PE ventilated blood high || V low || Q || perfusion

_____________: || air || in || the || pleural || cavity || caused || by || rupture || of || the || visceral || or || parietal || pleura || or || both. || It || destroys || the || _____________ || pressure || that || is || created || by || fluid || between || 2 || pleura || (visceral || and || parietal) || and || the || vacuum || helps || connect || chest || to || lungs || and || when || you || lose || pressure, || the || lung || is || free || to || _____________. || - || Correct || answers || ✔Pneumothorax negative || pressure shrink _____________ || pneumo: || lung || shrinks || d/t || loss || of || the || vacuum || and || pressure || within || the || pleural || cavity || is || essentially || the || same || as || the || _____________ || pressure. || - || Correct || answers || ✔open || pneumo atmospheric _____________ || pneumo: || rupture || of || the || pleura || allows || air || _____, || but || not || _______. || It || acts || as || a || valve || that || allows || the || lung || to || _____________ || and || adds || in || additional || airway || by || closing || off || when || _____haling, || can || put || additional || pressure || on || lung || itself, || making || it || worse. || - || Correct || answers || ✔tension || pneumo: || pleura || ruptures, || air || in, || not || out shrink exhaling _____________ || pneumo: || caused || by || a || bleb, || expanded || alveolis || ascini || unit || that || ruptures || immediately || and || can || damage || the || pleura. || - || Correct || answers || ✔spontaneous || pneumo _____________ || pneumo: || caused || by || some || other || reason || like || rib || fractures, || punctures || in || pleural || membrane, || or || stabbing || - || Correct || answers || ✔secondary || pneumo _____________ || _____________: || fluid || making || its || way || into || pleural || cavity || - || Correct || answers || ✔pleural || effusion

_____________ || effusion: || fluid || shifts || from || the || vascular || compartment || to || pleural || compartment, || _____________ || fluid || without || much || proteins, || if || it || occurs || slowly, || _____________, || if || it || occurs || quickly, || _____________ || - || Correct || answers || ✔pleural || effusion serous may || not || even || notice will || notice _____________ || effusion: || cell || damage || or || cell || accumulation || from || infection || or || blocked || lymphatics, || can || lead || to || this || effusion || - || Correct || answers || ✔exudative _____________: || blood || in || the || pleura || - || Correct || answers || ✔hemothorax _____________: || infected || pleural || effusion || of || pus || and || typically || more || localized || in || one || area, || can || hear || ______ || breath || sound || over || area || of || pleural || effusion. || - || Correct || answers || ✔empyema dull _____________: || blockage || of || lymphatic || drainage || with || back || up || of || chyle || or || lymphatic || fluid || that || has || fatty || chyle || straight || from || digestive || system. || If || you || have || a || backup || of || lymphatics || into || the || pleural || cavity, || you || can || have || some || fatty || fluids || making || way || into || pleural || cavity. || - || Correct || answers || ✔Chylothorax _____________ || lung || diseases || are || those || that || decrease || compliance, || difficult || to || ventilate || bc || its || harder || to || _____________ || and || _____________ || the || lungs. || - || Correct || answers || ✔restrictive expand || and || contract

____________: || inflammatory || obstruction || of || the || small || airways/bronchioles, || destruction || of || bronchioles || resulting || in || alveoli || blockage, || leading || to || inc || in || overall || resistance || and || dec || in || compliance. || - || Correct || answers || ✔bronchiolitis _____________ || is || most || common || in || children, || they || will || have || wheezing, || tachypnea, || and || tachycardia. || - || Correct || answers || ✔bronchiolitis _____________ || occurs || in || adults || with || chronic || bronchitis || and || in || assoc || with || a || viral || infection || or || with || inhalation || of || toxic || gases, || which || can || lead || to || _____________, || and || inc || respiratory || effort || and || tachycardia, || and || hyperinflation || or || air || trapping || d/t || inc || in || edema, || mucous, || blockage || that || can || lead || to || _____________ || _____________. || - || Correct || answers || ✔bronchiolitis atelectasis air || trapping _____________ || _____________: || alveolar || capillary || membrane || destruction || dec || compliance, || dec || oxygen || diffusion, || don't || get || _____________ || bc || the || Co2 || still || able || to || make || way || across || the || membrane || well, || but || O2 || diffusion || capability || becomes || impaired || and || end || up || getting || _____________, || but || the || Co2 || levels || are || _____________, || much || more || indicative || of || _____________ || damage. || - || Correct || answers || ✔pulmonary || fibrosis hypercapneic hypoxemic normal alveolocapillary Restrictive || lung || diseases: || Inhalation || d/o || can || also || be || caused || by || smoking, || toxic || gases, || _____________: || damage || to || alveoli || d/t || inhaled || or || inorganic || particles || making || their || way || into || alveoli || causing || fibrosis, || leading || to || ciliary || dysfunction, || mucous, || edema, || reduced ||

surfactant || and || oxygen || transport, || could || be || from || silica, || asbestos, || or || coal. || - || Correct || answers || ✔pneumoconiosis They || all || have || in || common || _____________ || _____________, || leading || to || inc || _____________ || production, || dec || mucous || _____________, || inc || _____________ || to || the || area, || and || can || lead || to || dec || in || _____________, || which || all || can || cause || a || dec || in || lung || _____________ || and || significant || impairment || of || O2 || diffusion. || - || Correct || answers || ✔ciliary || paralysis inc || mucous || dec || mucous || removal inc || edema surfactant compliance _____________ || _____________: || Caused || by || allergies || _____________ || _____________ || _____________ || & || _____________ || is || mediated || by || immunoglobulin || E, || a || specific || type || of || antibody || which || assoc || with || mast || cells || and || acts || as || a || receptor || for || mast || cells, || if || antibody || able || to || recognize || particular || triggers || or || allergens || and || it || binds || to || the || _____________ || which || signals || to || the || mast || cell || to || _____________ || and || release || _____________ || _____________ || that || lead || to || inc || vascular || _____________ || and || _____________. || - || Correct || answers || ✔Allergic || alveolitis extrinsic || allergic || alveolitis || & || hypersensitivity IgE degranulate inflammatory || mediators permeability || and || vasodilation Restrictive || lung || diseases: || _____________ || _____________ || : || exchange || or || inc || in || fluid || making || way || into || alveolus, || Excess || water || in || the || lungs. || - || Correct || answers || ✔pulmonary || edema

  1. || _____________: || neutrophils, || macrophages, || ... || all || migrate || and || make || way || to || area || of || injury, || could || be || from || septicemia || to || cause || inflammatory || response, || lead || to || damage || or || loss || of || surfactant || to || type || II || pneumocytes, || you || end || up || getting || a || dec || in || compliance || and || end || up || having || a || dec || in || oxygenation || - || Correct || answers || ✔Exudative 2: || _____________: || inc || in || number || of || type || II || pneumocytes, || inc || in || number || of || collagen || and || inc || in || other || cells || leading || to || dec || in || compliance || and || again || an || additional || dec || in || oxygen || diffusion || leading || to || hypoxemia || - || Correct || answers || ✔proliferative
  2. || _____________: || leads || to || pulmonary || HTN, || continuing || downward || spiral || to || acute || respiratory || failure Goal || of || treatment || is || to || intercede || and || prevent || problem || from || progressing, || trying || to || _____________ || oxygenation, || dec || predictable || effects, || and || if || we || intervene, || may || be || able || to || stop || progression || - || Correct || answers || ✔3. || Fibrotic inc || oxygenation S&S || of || ARDS: || Starting || point || is || _____________ || & || _____________ || and || then || it || progresses || to: || _____________ventilation, || & || _____________ || _____________ || (AB || problem), || and || dec || tissue || _____________ || leading || to || _____________ || _____________(A/B || problem), || and || organ || dysfunction. || As || dec || in || compliance || continues, || leads || to || _____________ || WOB, || _____________ || tidal || volume, || and || _____________ventilation, || then || hypercapnia, || respiratory || acidosis, || which || can || lead || to || Resp || Failure, || dec || cardiac || output, || _____________tension || and || death || - || Correct || answers || ✔dyspnea || & || hypoxemia hyperventilation || & || respiratory || alkalosis perfusion, || metabolic || acidosis inc || WOB, || dec || tidal || volume, || and || hypoventilation hypotension

Dx || for || ARDS || is || based || on || a || history || of || lung || injury, || physical || exam, || analysis || of || blood || gases, || and || radiologic || examination, || supportive || therapy || - || Correct || answers || ✔ Obstructive || lung || diseases: || Airway || obstruction || that || is || worse || with || _____________, || common || S&S || include: || _____________nea, || wheezing, || and || _____________ || _____________, || dec || in || forced || _____________ || volume || ,and || inc || WOB. || - || Correct || answers || ✔expiration dyspnea air || trapping expiratory || volume Airway || obstruction || is || worse || with || _____________ || bc || as || you're || breathing || in || you || create || the || vacuum || and || decreased || pressure || helps || to || expand || the || airways. || As || you || expire, || the || chest || starts || to || _____________ || and || you || put || pressure || on || the || small || airways. || Small || airways || like || alveoli || do || not || have || continuous || _____________ || _____________ || _____________ || and || are || susceptible || to || _____________ || and || eventually || will || bc || there || is || no || _____________... || - || Correct || answers || ✔expiration collapse hyaline || cartilage || rings collapsing || alveoli surfactant The || alveoli || help || to || _____________ || air || but || the || small || respiratory || ducts || and || bronchioles || leading || away || from || the || alveoli || can || start || to || _____________ || and || start || to || _____________ || the || _______ || within || the || alveolus, || which || is || made || worse || by || edema || and || mucous || plugs || that || both || dec || _____________ || and || inc || likelihood || of || trapping. || - || Correct || answers || ✔retain || air collapse trap || the || air lumen

mucous cilia diameter All || the || above || can || be || an || acute || change, || but || if || it || continues || overtime, || it || leads || to || airway || _____________, || leading || to || dec || _____________, || and || inc || _____________. || - || Correct || answers || ✔remodeling, || dec || elasticity, || inc || compliance _____________ || is || a || chronic || inflammatory || d/o || of || the || airways. || What || we're || trying || to || correct || with || tx || of || _____________ || _____________ || so || it || has || only || a || _____________ || topical || effect || instead || of || a || systemic || effect. || - || Correct || answers || ✔asthma inhaled || corticosteroids local Inflammation || results || from || _____________ || of || the || airways, || increased || allergens || and || decreased || infections || of || a || certain || type || predispose || one || to || _____________. || - || Correct || answers || ✔hyperresponsiveness ashtma _____________ || _____________: || an || inc || in || allergen || exposure || early || in || life || and || dec || in || certain || types || of || infection || tend || to || make || inflammatory || and || immune || responses || more || of || an || _____________ || type || of || allergen || response || making || airway || more || hyperresponsive || so || early || effects, || have || effect || later || in || life. || - || Correct || answers || ✔Hygiene || hypothesis TH Asthma || can || lead || to || _____________ || and || _____________ || _____________: || if || you || take || bronchodilator || to || open || airway || and || the || airway || doesn't || respond || to || the || treatment || - || Correct || answers || ✔obstruction || and || status || asthmaticus

Symptoms || include || _____________ || wheezing, || dyspnea || and || _____________. || _____________ || _____________: || sig || drop || in || SBP || during || inspiration || >10mmHg, || BP || normally || drops || during || inspiration || but || could || be || mistermed || name || - || Correct || answers || ✔expiratory || wheezing, || dyspnea, || tachypnea pulsus || paradoxis Look || at || the || _____________ || how || fast || you || can || expire || in || 1 || second, || as || this || problem || is || d/t || air || trapping, || the || expiratory || capacity || _____________, || and || flow || rate || upon || expiration || _____________, || if || you || use || spirometer || regularly, || will || see || changes || leading || to || asthma || attack, || so || _____________ || can || let || you || know || early || about || over/undermedicating. || - || Correct || answers || ✔FeV dec flow || rate || upon || expiration || dec spirometry Tx || for || asthma || is: ||

  1. || _____________ || _____________ || _____________
  2. || _____________
  3. || _____________ || _____________
  4. || anti-inflammatories || - || Correct || answers || ✔1. || peak || flow || meters
  5. || corticosteroids
  6. || beta || agonists
  7. || anti-inflammatories OBstructive || lung || diseases: || _____________: || characterized || by || persistent || airflow || limitation, || is || usually || progressive, || most || common || lung || disease. || - || Correct || answers || ✔COPD

Instead || of || having || multiple || small || alveoli || like || normal, || the || alveoli || will || _____________ || and || into || _____________, || leading || to || dec || _____________ || _____________, || which || results || in || dec || ability || for || _____________ || _____________ || and || respiration. || Can || lead || to || _____________ || and || _____________. || With || breakdown || in || _____________ || & || _____________, || can || also || have || air || trapping || bc || you || end || up || getting || weakness || in || _____________ || and || respiratory || ducts || leading || to || it. || - || Correct || answers || ✔aggregate 1 || large || alveoli surface || area gas || exchange dyspnea || and || hypoxia protein || & || elastin bronchioles If || you || get || a || mucous || plug || in || COPD, || it || dec || the || _____________ || _____________ || _____________ || and || expiration || then || helps || to || collapse || the || _____________ || _____________ || leading || to || _____________ || _____________ || in || the || alveoli || leading || to || overall || _____________ || of || the || chest || cavity || and || resetting || of || the || _____________ || _____________ || _____________. || Have || higher || point || at || which || you || undergo || _____________ || _____________ || and || dec || _____________ || reserve. || - || Correct || answers || ✔airway || lumen || size bronchial || walls air || trapping expansion funcitonal || residual || capacity tidal || breathing dec || inspiratory || reserve _____________ || _____________: || hypersecretion || of || mucous || and || chronic || productive || cough || that || lasts || for || at || least || 3 || months || of || the || year || x || _____________ || years. || Inspired || irritants || inc || _____________ || production || and || the || size || and || number || of || _____________ || glands, || the || mucous || is || _____________ || than || normal || and || you || get || impaired

|| _____________ || _____________, || where || the || _____________ || gets || trapped || and || stays || down || in || the || airways, || diminishing || the || luminal || _____________. || Tx: || _____________ || _____________ || or || also || _____________, || expectorants || and || _____________ || _____________ || therapy || to || treat. || - || Correct || answers || ✔chronic || bronchitis x || 2 || consecutive || years mucous || production mucous || glands thicker ciliary || function mucous || gets || trapped luminal || diameter Tx: || STOP || SMOKING, || bronchodilators, || chest || physiotherapy _____________: || abnormal || permanent || enlargement || of || the || gas-exchange || airways || accompanied || by || destruction || of || the || alveolar || walls || without || obvious || _____________. || It || is || caused || by || _____________ || _____________, || typically || from || _____________ || changes || leading || to || _____________ || imbalances || leading || to || breakdown || of || the || airway || wall. || Could || be || an || inherited || deficit || of || _____________ || _____________ || and || you || have || loss || of || the || _____________ || recoil. || - || Correct || answers || ✔emphysema fibrosis tissue || destruction from || inflammatory || changes protease || imbalances alpha || 1 || antitrypsin elastic Respiratory || tract || infections || can || cause || _____________ || _____________, || but || not || down || into || the || alveolar || level || so || you || won't || see || _____________ || and || won't || see || chest || _____________ || that || are || present || in || pneumonia. || - || Correct || answers || ✔acute || bronchitis