WGU D236 Pathophysiology Verified Multiple
Choice and Conceptual Actual Emended Exam
Questions With Reviewed 100% Correct
Detailed Answers & Rationale
Guaranteed Pass!!Current Update
1. Which process best describes airway remodeling?
A) Reversible smooth muscle constriction in the bronchi
B) Structural changes in the airway due to chronic inflammation
C) Temporary mucus accumulation in the airways
D) Scar formation in alveoli only
Answer: B
2. Which connective tissue disease predisposes patients to emphysema due to
decreased lung elasticity?
A) Systemic lupus erythematosus
B) Rheumatoid arthritis
C) Marfan syndrome
D) Multiple sclerosis
Answer: C
3. Which of the following is NOT a symptom of cor pulmonale?
A) Jugular venous distension
B) Hepatomegaly
,C) Pulmonary crackles from left heart failure
D) Ankle edema
Answer: C
4. Which of the following are restrictive lung diseases?
A) Asthma and chronic bronchitis
B) Pulmonary effusion and pneumothorax
C) COPD and emphysema
D) Bronchiectasis and asthma
Answer: B
5. The most common cause of pulmonary edema is:
A) Chronic obstructive pulmonary disease (COPD)
B) Left ventricular heart failure
C) Right ventricular heart failure
D) Pulmonary embolism
Answer: B
6. Pulmonary edema leads to:
A) Alveolar collapse due to surfactant depletion
B) Accumulation of fluid around alveoli inhibiting oxygen exchange
C) Excess mucus in bronchioles
D) Thickening of the pleural membranes
Answer: B
7. The most common precursor to pulmonary embolism (PE) is:
,A) Chronic bronchitis
B) Deep venous thromboembolism (DVT)
C) Pulmonary hypertension
D) COPD
Answer: B
8. Chronic hypoxia most commonly leads to which pulmonary condition?
A) Pulmonary fibrosis
B) Pulmonary hypertension
C) Pulmonary edema
D) Bronchiectasis
Answer: B
9. Treatment goals for pulmonary hypertension include all EXCEPT:
A) Vasodilation of pulmonary vessels
B) Improving right ventricular function
C) Enhancing oxygenation
D) Inducing pulmonary vasoconstriction
Answer: D
10. Homeostasis is defined as:
A) The ability to maintain stable internal conditions despite external changes
B) The regulation of blood pressure only
C) The maintenance of blood sugar levels only
D) The response of the immune system to pathogens
Answer: A
, 11. What percentage of body weight is intracellular fluid (ICF)?
A) 50%
B) 32%
C) 63%
D) 20%
Answer: C
12. Extracellular fluid (ECF) accounts for approximately:
A) 63% of body weight
B) 20% of body weight
C) 32% of body weight
D) 10% of body weight
Answer: C
13. Interstitial fluid (ISF) represents:
A) 20% of body weight
B) 63% of body weight
C) 32% of body weight
D) 50% of body weight
Answer: A
14. Osmotic pressure is best described as:
A) Pressure exerted by blood flow on vessel walls
B) The pressure needed to prevent water movement due to solute differences
C) Hydrostatic force within capillaries
D) The pressure generated by albumin in plasma
Answer: B
Choice and Conceptual Actual Emended Exam
Questions With Reviewed 100% Correct
Detailed Answers & Rationale
Guaranteed Pass!!Current Update
1. Which process best describes airway remodeling?
A) Reversible smooth muscle constriction in the bronchi
B) Structural changes in the airway due to chronic inflammation
C) Temporary mucus accumulation in the airways
D) Scar formation in alveoli only
Answer: B
2. Which connective tissue disease predisposes patients to emphysema due to
decreased lung elasticity?
A) Systemic lupus erythematosus
B) Rheumatoid arthritis
C) Marfan syndrome
D) Multiple sclerosis
Answer: C
3. Which of the following is NOT a symptom of cor pulmonale?
A) Jugular venous distension
B) Hepatomegaly
,C) Pulmonary crackles from left heart failure
D) Ankle edema
Answer: C
4. Which of the following are restrictive lung diseases?
A) Asthma and chronic bronchitis
B) Pulmonary effusion and pneumothorax
C) COPD and emphysema
D) Bronchiectasis and asthma
Answer: B
5. The most common cause of pulmonary edema is:
A) Chronic obstructive pulmonary disease (COPD)
B) Left ventricular heart failure
C) Right ventricular heart failure
D) Pulmonary embolism
Answer: B
6. Pulmonary edema leads to:
A) Alveolar collapse due to surfactant depletion
B) Accumulation of fluid around alveoli inhibiting oxygen exchange
C) Excess mucus in bronchioles
D) Thickening of the pleural membranes
Answer: B
7. The most common precursor to pulmonary embolism (PE) is:
,A) Chronic bronchitis
B) Deep venous thromboembolism (DVT)
C) Pulmonary hypertension
D) COPD
Answer: B
8. Chronic hypoxia most commonly leads to which pulmonary condition?
A) Pulmonary fibrosis
B) Pulmonary hypertension
C) Pulmonary edema
D) Bronchiectasis
Answer: B
9. Treatment goals for pulmonary hypertension include all EXCEPT:
A) Vasodilation of pulmonary vessels
B) Improving right ventricular function
C) Enhancing oxygenation
D) Inducing pulmonary vasoconstriction
Answer: D
10. Homeostasis is defined as:
A) The ability to maintain stable internal conditions despite external changes
B) The regulation of blood pressure only
C) The maintenance of blood sugar levels only
D) The response of the immune system to pathogens
Answer: A
, 11. What percentage of body weight is intracellular fluid (ICF)?
A) 50%
B) 32%
C) 63%
D) 20%
Answer: C
12. Extracellular fluid (ECF) accounts for approximately:
A) 63% of body weight
B) 20% of body weight
C) 32% of body weight
D) 10% of body weight
Answer: C
13. Interstitial fluid (ISF) represents:
A) 20% of body weight
B) 63% of body weight
C) 32% of body weight
D) 50% of body weight
Answer: A
14. Osmotic pressure is best described as:
A) Pressure exerted by blood flow on vessel walls
B) The pressure needed to prevent water movement due to solute differences
C) Hydrostatic force within capillaries
D) The pressure generated by albumin in plasma
Answer: B
