Nur 355 Exam 3 2024/2025 Exam All
Answers and Illustrations Given
purpose of respiratory system - 🧠 ANSWER ✔✔Transport of oxygen from
air to blood
Removal of carbon dioxide from the blood-waste product from metabolism.
Upper respiratory tract-Resident flora
Lower respiratory tract-Sterile
Pulmonary edema - 🧠 ANSWER ✔✔Fluid collecting in alveoli and interstitial
area-
Can result from many primary conditions
Reduces amount of oxygen diffusing into blood
Interferes with lung expansion
May develop when-
Inflammation in lungs is present.
Increases permeability of capillaries
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STATEMENT. ALL RIGHTS RESERVED
,Plasma protein levels are low.
Decreases osmotic pressure of plasma
Pulmonary hypertension develops
Signs and symptoms of pulmonary edema - 🧠 ANSWER ✔✔Mild pulmonary
edema-
Cough
Orthopnea
Rales
With increased congestion-
hemoptysis often occurs
Pink, frothy sputum
breathing becomes labored; feels like "drowning"
hypoxemia worsens
cyanosis develops in the advanced stage
pulmonary embolus - 🧠 ANSWER ✔✔Blood clot or mass that obstructs
pulmonary artery or any of its branches
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STATEMENT. ALL RIGHTS RESERVED
,Effect of embolus depends on material, size, and location.
Small pulmonary emboli might be "silent" unless they involve a large area
of lung.
Large emboli may cause sudden death.
90% of pulmonary emboli originate from deep vein thromboses in legs and
are preventable.
signs and symptoms of pulmonary embolus - 🧠 ANSWER ✔✔Small emboli-
Transient chest pain
Cough
Dyspnea may occur
Larger emboli-
Chest pain
Tachypnea
Dyspnea develops suddenly.
Later, hemoptysis and fever are present.
Hypoxia stimulates a sympathetic response, with anxiety and restlessness,
pallor, and tachycardia.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, massive- Severe crushing chest pain
Low blood pressure
Rapid weak pulse
Loss of consciousness
treatment of pulmonary embolism PE - 🧠 ANSWER ✔✔Assessment of risk
factors
Surgically Inserted filter into vena cava (some cases)
Heparin or streptokinase
Mechanical ventilation
Embolectomy
Lung expansion disorders - 🧠 ANSWER ✔✔Atelectasis
Pleural effusion
Pneumothorax
Flail chest
Infant respiratory distress syndrome
Acute respiratory failure
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
Answers and Illustrations Given
purpose of respiratory system - 🧠 ANSWER ✔✔Transport of oxygen from
air to blood
Removal of carbon dioxide from the blood-waste product from metabolism.
Upper respiratory tract-Resident flora
Lower respiratory tract-Sterile
Pulmonary edema - 🧠 ANSWER ✔✔Fluid collecting in alveoli and interstitial
area-
Can result from many primary conditions
Reduces amount of oxygen diffusing into blood
Interferes with lung expansion
May develop when-
Inflammation in lungs is present.
Increases permeability of capillaries
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,Plasma protein levels are low.
Decreases osmotic pressure of plasma
Pulmonary hypertension develops
Signs and symptoms of pulmonary edema - 🧠 ANSWER ✔✔Mild pulmonary
edema-
Cough
Orthopnea
Rales
With increased congestion-
hemoptysis often occurs
Pink, frothy sputum
breathing becomes labored; feels like "drowning"
hypoxemia worsens
cyanosis develops in the advanced stage
pulmonary embolus - 🧠 ANSWER ✔✔Blood clot or mass that obstructs
pulmonary artery or any of its branches
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
,Effect of embolus depends on material, size, and location.
Small pulmonary emboli might be "silent" unless they involve a large area
of lung.
Large emboli may cause sudden death.
90% of pulmonary emboli originate from deep vein thromboses in legs and
are preventable.
signs and symptoms of pulmonary embolus - 🧠 ANSWER ✔✔Small emboli-
Transient chest pain
Cough
Dyspnea may occur
Larger emboli-
Chest pain
Tachypnea
Dyspnea develops suddenly.
Later, hemoptysis and fever are present.
Hypoxia stimulates a sympathetic response, with anxiety and restlessness,
pallor, and tachycardia.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, massive- Severe crushing chest pain
Low blood pressure
Rapid weak pulse
Loss of consciousness
treatment of pulmonary embolism PE - 🧠 ANSWER ✔✔Assessment of risk
factors
Surgically Inserted filter into vena cava (some cases)
Heparin or streptokinase
Mechanical ventilation
Embolectomy
Lung expansion disorders - 🧠 ANSWER ✔✔Atelectasis
Pleural effusion
Pneumothorax
Flail chest
Infant respiratory distress syndrome
Acute respiratory failure
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
