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 |
Comprehensive Review
Verified Answers Exam Ready With Rationales
295 QUESTIONS
DOCUMENT OVERVIEW
This document provides 295 thoroughly vetted questions along with their correct answers,
ensuring a comprehensive review of pathophysiology concepts. The content is designed to
facilitate mastery of key principles in this essential medical discipline. It is suitable for
students to enhance their understanding, prepare for certification exams, and reinforce
learning through efficient study and review.
CONTENTS
• Fluid and Electrolyte Balance • Immunology
• Acid-Base Balance • Genetic Disorders
• Neurological Disorders • Cardiovascular Disorders
Page 1
, • Hypertension • Respiratory Disorders
• Gastrointestinal Disorders • Renal Disorders
• Endocrine Disorders • Musculoskeletal Disorders
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 295
What is the primary determinant of oncotic pressure?
CORRECT ANSWER
Albumin
Q2 QUESTION 2 OF 295
Form of osmotic pressure exerted by proteins
CORRECT ANSWER
Oncotic Pressure
Q3 QUESTION 3 OF 295
Fluid and electrolyte levels are regulated by _________________, which regulates actions
such as thirst, ADH, the kidneys, and RAAS.
CORRECT ANSWER
Osmoreceptors
Q4 QUESTION 4 OF 295
What are the causes of dehydration?
Page 2
, CORRECT ANSWER
#Excessive loss
#Inadequate intake
#Both
Q5 QUESTION 5 OF 295
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
Q6 QUESTION 6 OF 295
A hormone panel was done on a patient with congestive heart failure and fluid volume
overload. Which elevated hormone on the patient's chart is indicative of the body's attempt
to reduce the fluid overload?
Antidiuretic hormone (ADH)
Brain natriuretic peptide (BNP)
Aldosterone
Renin
CORRECT ANSWER
BNP
BNP is released when fluid volume excess is present.
Q7 QUESTION 7 OF 295
Normal sodium level
Page 3
, CORRECT ANSWER
135-145
Q8 QUESTION 8 OF 295
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
Q9 QUESTION 9 OF 295
Hypernatremia is indicated by what lab result? S/Sx
CORRECT ANSWER
Na > 145
Excessive thirst
Extreme fatigue
Confusion
Muscle twitching or spasms
Restlessness
Seizures
Q10 QUESTION 10 OF 295
Normal potassium level
Page 4