WGU D236 Objective Assessment Pathophysiology
Verified Multiple Choice and Conceptual Actual
Emended Exam Questions With Reviewed 100%
Correct Detailed Answers & Rationale
Guaranteed Pass!!Current Update
1. What does ICF represent in fluid compartments?
A) Interstitial Cellular Fluid; 1/3 of body fluid
B) Intracellular Fluid; 2/3 of body fluid
C) Intercellular Fluid; 1/2 of body fluid
D) Internal Circulating Fluid; 3/4 of body fluid
Answer: B) Intracellular Fluid; 2/3 of body fluid
2. Which of the following correctly describes ECF?
A) Extracellular Fluid; 1/3 of body fluid
B) Extracellular Fluid; 2/3 of body fluid
C) Intracellular Fluid; 1/3 of body fluid
D) Interstitial Fluid; 3/4 of body fluid
Answer: A) Extracellular Fluid; 1/3 of body fluid
3. What is diffusion?
A) Solute movement from low to high concentration
B) Fluid movement from high to low pressure
C) Solute movement from high to low concentration
D) Solvent movement from low to high solute concentration
Answer: C) Solute movement from high to low concentration
,4. Osmosis refers to:
A) Solute movement across a membrane
B) Fluid movement from low to high solute concentration
C) Fluid movement from high to low solute concentration
D) Gas exchange between cells
Answer: B) Fluid movement from low to high solute concentration
5. Which process describes filtration?
A) Fluid movement from low to high hydrostatic pressure
B) Fluid movement from high to low hydrostatic pressure
C) Solute movement based on osmolality
D) Passive diffusion of water
Answer: B) Fluid movement from high to low hydrostatic pressure
6. Osmolality is defined as:
A) Weight of water in a solution
B) Concentration of osmotically active particles per kg of water
C) Amount of salt per liter of plasma
D) Total plasma protein content
Answer: B) Concentration of osmotically active particles per kg of water
7. A hypertonic solution has:
A) Osmolarity less than 300 mOsm/L
B) Osmolarity equal to 300 mOsm/L
C) Osmolarity greater than 300 mOsm/L
D) No measurable osmotic activity
Answer: C) Osmolarity greater than 300 mOsm/L
,8. What defines a hypotonic solution?
A) Less than 300 mOsm/L
B) Greater than 300 mOsm/L
C) Exactly 300 mOsm/L
D) Same osmolarity as blood
Answer: A) Less than 300 mOsm/L
9. Which IV solution is isotonic?
A) 0.45% NaCl
B) 0.09% NaCl
C) 0.9% NaCl
D) 5% Dextrose in Water (D5W)
Answer: C) 0.9% NaCl
10. What is the primary role of interferons?
A) Promote insulin release
B) Enhance antiviral defense in cells
C) Increase fluid retention
D) Stimulate sodium reabsorption
Answer: B) Enhance antiviral defense in cells
11. Hypervolemia is best defined as:
A) Low blood pressure due to dehydration
B) Excess fluid volume causing tissue swelling
C) Low fluid levels from vomiting
D) Elevated potassium levels due to fluid retention
Answer: B) Excess fluid volume causing tissue swelling
, 12. Which best describes edema?
A) Loss of plasma proteins leading to weight loss
B) Fluid accumulation in interstitial spaces causing swelling
C) Excess salt excretion
D) Hypertonic fluid retention in blood vessels
Answer: B) Fluid accumulation in interstitial spaces causing swelling
13. Which is a cause of hypervolemia?
A) Low hydrostatic pressure
B) Increased hydrostatic pressure and excessive fluid intake
C) Increased colloid osmotic pressure
D) Dehydration and high sodium loss
Answer: B) Increased hydrostatic pressure and excessive fluid intake
14. What leads to decreased colloid osmotic pressure?
A) High albumin levels
B) Low albumin levels
C) Increased sodium concentration
D) Increased blood viscosity
Answer: B) Low albumin levels
15. Increased capillary permeability is commonly caused by:
A) High albumin
B) Infection or burns
C) Dehydration
D) Low sodium intake
Answer: B) Infection or burns
Verified Multiple Choice and Conceptual Actual
Emended Exam Questions With Reviewed 100%
Correct Detailed Answers & Rationale
Guaranteed Pass!!Current Update
1. What does ICF represent in fluid compartments?
A) Interstitial Cellular Fluid; 1/3 of body fluid
B) Intracellular Fluid; 2/3 of body fluid
C) Intercellular Fluid; 1/2 of body fluid
D) Internal Circulating Fluid; 3/4 of body fluid
Answer: B) Intracellular Fluid; 2/3 of body fluid
2. Which of the following correctly describes ECF?
A) Extracellular Fluid; 1/3 of body fluid
B) Extracellular Fluid; 2/3 of body fluid
C) Intracellular Fluid; 1/3 of body fluid
D) Interstitial Fluid; 3/4 of body fluid
Answer: A) Extracellular Fluid; 1/3 of body fluid
3. What is diffusion?
A) Solute movement from low to high concentration
B) Fluid movement from high to low pressure
C) Solute movement from high to low concentration
D) Solvent movement from low to high solute concentration
Answer: C) Solute movement from high to low concentration
,4. Osmosis refers to:
A) Solute movement across a membrane
B) Fluid movement from low to high solute concentration
C) Fluid movement from high to low solute concentration
D) Gas exchange between cells
Answer: B) Fluid movement from low to high solute concentration
5. Which process describes filtration?
A) Fluid movement from low to high hydrostatic pressure
B) Fluid movement from high to low hydrostatic pressure
C) Solute movement based on osmolality
D) Passive diffusion of water
Answer: B) Fluid movement from high to low hydrostatic pressure
6. Osmolality is defined as:
A) Weight of water in a solution
B) Concentration of osmotically active particles per kg of water
C) Amount of salt per liter of plasma
D) Total plasma protein content
Answer: B) Concentration of osmotically active particles per kg of water
7. A hypertonic solution has:
A) Osmolarity less than 300 mOsm/L
B) Osmolarity equal to 300 mOsm/L
C) Osmolarity greater than 300 mOsm/L
D) No measurable osmotic activity
Answer: C) Osmolarity greater than 300 mOsm/L
,8. What defines a hypotonic solution?
A) Less than 300 mOsm/L
B) Greater than 300 mOsm/L
C) Exactly 300 mOsm/L
D) Same osmolarity as blood
Answer: A) Less than 300 mOsm/L
9. Which IV solution is isotonic?
A) 0.45% NaCl
B) 0.09% NaCl
C) 0.9% NaCl
D) 5% Dextrose in Water (D5W)
Answer: C) 0.9% NaCl
10. What is the primary role of interferons?
A) Promote insulin release
B) Enhance antiviral defense in cells
C) Increase fluid retention
D) Stimulate sodium reabsorption
Answer: B) Enhance antiviral defense in cells
11. Hypervolemia is best defined as:
A) Low blood pressure due to dehydration
B) Excess fluid volume causing tissue swelling
C) Low fluid levels from vomiting
D) Elevated potassium levels due to fluid retention
Answer: B) Excess fluid volume causing tissue swelling
, 12. Which best describes edema?
A) Loss of plasma proteins leading to weight loss
B) Fluid accumulation in interstitial spaces causing swelling
C) Excess salt excretion
D) Hypertonic fluid retention in blood vessels
Answer: B) Fluid accumulation in interstitial spaces causing swelling
13. Which is a cause of hypervolemia?
A) Low hydrostatic pressure
B) Increased hydrostatic pressure and excessive fluid intake
C) Increased colloid osmotic pressure
D) Dehydration and high sodium loss
Answer: B) Increased hydrostatic pressure and excessive fluid intake
14. What leads to decreased colloid osmotic pressure?
A) High albumin levels
B) Low albumin levels
C) Increased sodium concentration
D) Increased blood viscosity
Answer: B) Low albumin levels
15. Increased capillary permeability is commonly caused by:
A) High albumin
B) Infection or burns
C) Dehydration
D) Low sodium intake
Answer: B) Infection or burns
