07 August 2026
WGU D236 Pathophysiology 2026/2027 Test Exam 150
comprehensive questions | FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
1. Describe how your body responds to an infection.
A. B cells destroy pathogens directly without T cells.
B. T cells produce cytokines, which stimulate B cells to produce antibodies.
C. Red blood cells produce antibodies.
D. Platelets release antibodies to destroy pathogens.
Correct Answer: B. T cells produce cytokines, which stimulate B cells to produce antibodies.
2. Identify the role of DNA changes in congenital abnormalities.
A. Increased oxygen delivery
B. Mutations in genes or chromosomal abnormalities
C. Viral infections only
D. Increased calcium absorption
Correct Answer: B. Mutations in genes or chromosomal abnormalities
3. How does development disrupt congenital abnormalities?
A. Increased blood flow
B. Alterations of DNA
C. Elevated body temperature
D. Hormonal imbalance only
Correct Answer: B. Alterations of DNA
4. Which factor can disrupt homeostasis and affect well-being?
A. Increased exercise only
B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
C. Increased appetite only
D. Sleeping too much
Correct Answer: B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
5. What does RAAS stand for?
A. Renal Artery Adjustment System
B. Renin-Angiotensin-Aldosterone System
,07 August 2026
C. Renal Aldosterone Activation Syndrome
D. Renal Antibody Activation System
Correct Answer: B. Renin-Angiotensin-Aldosterone System
6. Which sequence correctly describes the RAAS pathway?
A. Renin → Aldosterone → Angiotensin II → Vasodilation
B. Renin → Angiotensin I → Angiotensin II → Vasoconstriction → Aldosterone release → Sodium and
water retention
C. Aldosterone → Renin → Angiotensin II → Diuresis
D. Angiotensin II → Renin → Vasodilation
Correct Answer: B. Renin → Angiotensin I → Angiotensin II → Vasoconstriction → Aldosterone
release → Sodium and water retention
7. Which laboratory findings are expected in diabetic ketoacidosis (DKA)?
A. Increased bicarbonate and decreased anion gap
B. Increased anion gap and decreased bicarbonate
C. Increased calcium and decreased potassium
D. Decreased glucose and increased bicarbonate
Correct Answer: B. Increased anion gap and decreased bicarbonate
8. How do the kidneys compensate for alkalosis?
A. Retain bicarbonate and excrete hydrogen ions
B. Retain hydrogen ions and excrete bicarbonate
C. Excrete sodium only
D. Retain potassium only
Correct Answer: B. Retain hydrogen ions and excrete bicarbonate
9. Untreated acidosis commonly causes an increase in which electrolyte?
A. Sodium
B. Calcium
C. Potassium
D. Magnesium
Correct Answer: C. Potassium
10. How is West Nile virus transmitted?
, 07 August 2026
A. Tick bite
B. Mosquito bite
C. Flea bite
D. Contaminated water
Correct Answer: B. Mosquito bite
11. Which symptoms are commonly associated with severe West Nile virus infection?
A. Rash and diarrhea only
B. High fever, headache, and stiff neck
C. Cough and sore throat only
D. Joint swelling only
Correct Answer: B. High fever, headache, and stiff neck
12. Lyme disease is caused by which organism?
A. Staphylococcus aureus
B. Borrelia burgdorferi
C. Escherichia coli
D. Streptococcus pneumoniae
Correct Answer: B. Borrelia burgdorferi
13. Erythema infectiosum is also known as which disease?
A. Scarlet fever
B. Fifth disease
C. Chickenpox
D. Rubella
Correct Answer: B. Fifth disease
14. Obesity and diabetes increase the risk of having a child with which condition?
A. Cleft palate
B. Spina bifida
C. Hydrocephalus
D. Down syndrome
Correct Answer: B. Spina bifida
15. Trousseau's sign is associated with which electrolyte imbalance?
A. Hyperkalemia
B. Hypercalcemia
WGU D236 Pathophysiology 2026/2027 Test Exam 150
comprehensive questions | FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
1. Describe how your body responds to an infection.
A. B cells destroy pathogens directly without T cells.
B. T cells produce cytokines, which stimulate B cells to produce antibodies.
C. Red blood cells produce antibodies.
D. Platelets release antibodies to destroy pathogens.
Correct Answer: B. T cells produce cytokines, which stimulate B cells to produce antibodies.
2. Identify the role of DNA changes in congenital abnormalities.
A. Increased oxygen delivery
B. Mutations in genes or chromosomal abnormalities
C. Viral infections only
D. Increased calcium absorption
Correct Answer: B. Mutations in genes or chromosomal abnormalities
3. How does development disrupt congenital abnormalities?
A. Increased blood flow
B. Alterations of DNA
C. Elevated body temperature
D. Hormonal imbalance only
Correct Answer: B. Alterations of DNA
4. Which factor can disrupt homeostasis and affect well-being?
A. Increased exercise only
B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
C. Increased appetite only
D. Sleeping too much
Correct Answer: B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
5. What does RAAS stand for?
A. Renal Artery Adjustment System
B. Renin-Angiotensin-Aldosterone System
,07 August 2026
C. Renal Aldosterone Activation Syndrome
D. Renal Antibody Activation System
Correct Answer: B. Renin-Angiotensin-Aldosterone System
6. Which sequence correctly describes the RAAS pathway?
A. Renin → Aldosterone → Angiotensin II → Vasodilation
B. Renin → Angiotensin I → Angiotensin II → Vasoconstriction → Aldosterone release → Sodium and
water retention
C. Aldosterone → Renin → Angiotensin II → Diuresis
D. Angiotensin II → Renin → Vasodilation
Correct Answer: B. Renin → Angiotensin I → Angiotensin II → Vasoconstriction → Aldosterone
release → Sodium and water retention
7. Which laboratory findings are expected in diabetic ketoacidosis (DKA)?
A. Increased bicarbonate and decreased anion gap
B. Increased anion gap and decreased bicarbonate
C. Increased calcium and decreased potassium
D. Decreased glucose and increased bicarbonate
Correct Answer: B. Increased anion gap and decreased bicarbonate
8. How do the kidneys compensate for alkalosis?
A. Retain bicarbonate and excrete hydrogen ions
B. Retain hydrogen ions and excrete bicarbonate
C. Excrete sodium only
D. Retain potassium only
Correct Answer: B. Retain hydrogen ions and excrete bicarbonate
9. Untreated acidosis commonly causes an increase in which electrolyte?
A. Sodium
B. Calcium
C. Potassium
D. Magnesium
Correct Answer: C. Potassium
10. How is West Nile virus transmitted?
, 07 August 2026
A. Tick bite
B. Mosquito bite
C. Flea bite
D. Contaminated water
Correct Answer: B. Mosquito bite
11. Which symptoms are commonly associated with severe West Nile virus infection?
A. Rash and diarrhea only
B. High fever, headache, and stiff neck
C. Cough and sore throat only
D. Joint swelling only
Correct Answer: B. High fever, headache, and stiff neck
12. Lyme disease is caused by which organism?
A. Staphylococcus aureus
B. Borrelia burgdorferi
C. Escherichia coli
D. Streptococcus pneumoniae
Correct Answer: B. Borrelia burgdorferi
13. Erythema infectiosum is also known as which disease?
A. Scarlet fever
B. Fifth disease
C. Chickenpox
D. Rubella
Correct Answer: B. Fifth disease
14. Obesity and diabetes increase the risk of having a child with which condition?
A. Cleft palate
B. Spina bifida
C. Hydrocephalus
D. Down syndrome
Correct Answer: B. Spina bifida
15. Trousseau's sign is associated with which electrolyte imbalance?
A. Hyperkalemia
B. Hypercalcemia
