WGU D236 PATHOPHYSIOLOGY QUESTIONS & ANSWERS 2026-2… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU D236
Pathophysiology
Questions & Answers
2026-2027 | Latest
Updated Edition
Verified Answers Exam Ready With Rationales
100 QUESTIONS
DOCUMENT OVERVIEW
This document provides 100 verified questions with correct answers and concise
explanations, focusing on the subject area of pathophysiology. It is suitable for study,
review, and certification preparation, allowing students to deepen their understanding of
key concepts and clinical scenarios encountered in the field. The format ensures efficient
learning and quick reference for exam readiness.
CONTENTS
Fluid and Electrolyte Balance Q1–Q25
Respiratory and Acid-Base Disorders Q26–Q35
Neurological Conditions Q36–Q55
Page 1
, Cardiovascular Pathophysiology Q56–Q90
Cancer and Lymphatic Disorders Q91–Q100
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 100
What is the primary determinant of oncotic pressure?
CORRECT ANSWER
Albumin
Q2 QUESTION 2 OF 100
Form of osmotic pressure exerted by proteins
CORRECT ANSWER
Oncotic Pressure
Q3 QUESTION 3 OF 100
What is the difference between adult and child immunity?
CORRECT ANSWER
Naive T Cells
Q4 QUESTION 4 OF 100
Fluid and electrolyte levels are regulated by _________________, which regulates actions
such as thirst, ADH, the kidneys, and RAAS.
Page 2
, CORRECT ANSWER
Osmoreceptors
Q5 QUESTION 5 OF 100
What are the causes of dehydration?
CORRECT ANSWER
#Excessive loss
#Inadequate intake
#Both
Q6 QUESTION 6 OF 100
What s/sx are associated with dehydration?
CORRECT ANSWER
#Dry mucous membranes
#Decreased skin turgor
#Decreased urine output
#Low blood pressure
#Tachycardia
#Weak heart rate
#Confusion
Q7 QUESTION 7 OF 100
Normal CO2 level
CORRECT ANSWER
35-45
Q8 QUESTION 8 OF 100
Normal pH level
Page 3
, CORRECT ANSWER
7.35-7.45
Q9 QUESTION 9 OF 100
Normal HCO3 level
CORRECT ANSWER
22-26
Q10 QUESTION 10 OF 100
Normal sodium level
CORRECT ANSWER
135-145
Q11 QUESTION 11 OF 100
Hyponatremia is indicated by what lab result? S/Sx?
CORRECT ANSWER
Na < 135
Loss of energy or fatigue
Nausea and vomiting
Headache
Confusion
Muscle spasms
Low blood pressure
Dark scanty urine
Irritability, disorientation and neurological manifestations
Seizures
Q12 QUESTION 12 OF 100
Hypernatremia is indicated by what lab result? S/Sx
Page 4
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU D236
Pathophysiology
Questions & Answers
2026-2027 | Latest
Updated Edition
Verified Answers Exam Ready With Rationales
100 QUESTIONS
DOCUMENT OVERVIEW
This document provides 100 verified questions with correct answers and concise
explanations, focusing on the subject area of pathophysiology. It is suitable for study,
review, and certification preparation, allowing students to deepen their understanding of
key concepts and clinical scenarios encountered in the field. The format ensures efficient
learning and quick reference for exam readiness.
CONTENTS
Fluid and Electrolyte Balance Q1–Q25
Respiratory and Acid-Base Disorders Q26–Q35
Neurological Conditions Q36–Q55
Page 1
, Cardiovascular Pathophysiology Q56–Q90
Cancer and Lymphatic Disorders Q91–Q100
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 100
What is the primary determinant of oncotic pressure?
CORRECT ANSWER
Albumin
Q2 QUESTION 2 OF 100
Form of osmotic pressure exerted by proteins
CORRECT ANSWER
Oncotic Pressure
Q3 QUESTION 3 OF 100
What is the difference between adult and child immunity?
CORRECT ANSWER
Naive T Cells
Q4 QUESTION 4 OF 100
Fluid and electrolyte levels are regulated by _________________, which regulates actions
such as thirst, ADH, the kidneys, and RAAS.
Page 2
, CORRECT ANSWER
Osmoreceptors
Q5 QUESTION 5 OF 100
What are the causes of dehydration?
CORRECT ANSWER
#Excessive loss
#Inadequate intake
#Both
Q6 QUESTION 6 OF 100
What s/sx are associated with dehydration?
CORRECT ANSWER
#Dry mucous membranes
#Decreased skin turgor
#Decreased urine output
#Low blood pressure
#Tachycardia
#Weak heart rate
#Confusion
Q7 QUESTION 7 OF 100
Normal CO2 level
CORRECT ANSWER
35-45
Q8 QUESTION 8 OF 100
Normal pH level
Page 3
, CORRECT ANSWER
7.35-7.45
Q9 QUESTION 9 OF 100
Normal HCO3 level
CORRECT ANSWER
22-26
Q10 QUESTION 10 OF 100
Normal sodium level
CORRECT ANSWER
135-145
Q11 QUESTION 11 OF 100
Hyponatremia is indicated by what lab result? S/Sx?
CORRECT ANSWER
Na < 135
Loss of energy or fatigue
Nausea and vomiting
Headache
Confusion
Muscle spasms
Low blood pressure
Dark scanty urine
Irritability, disorientation and neurological manifestations
Seizures
Q12 QUESTION 12 OF 100
Hypernatremia is indicated by what lab result? S/Sx
Page 4
