WGU D236 Pathophysiology Verified
Multiple Choice and Conceptual Actual
Emended Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!Current Update
1. How does the body respond to an infection?
A. T cells produce antibodies directly.
B. T cells produce cytokines, stimulating B cells to produce antibodies.
C. B cells destroy pathogens through phagocytosis.
D. T cells suppress B cell activity.
Answer: B. T cells produce cytokines, stimulating B cells to produce antibodies.
2. What is the role of DNA changes in congenital abnormalities?
A. Only environmental factors cause congenital abnormalities.
B. Mutations in genes or chromosomal abnormalities can lead to them.
C. Changes in protein structure always prevent congenital abnormalities.
D. Congenital abnormalities are unrelated to DNA.
Answer: B. Mutations in genes or chromosomal abnormalities can lead to them.
3. Which factor disrupts congenital development?
A. Alterations in DNA structure
B. Stable gene expression
C. Enhanced cell repair
,D. None of the above
Answer: A. Alterations in DNA structure
4. Which is an example of disrupted homeostasis affecting well-being?
A. Stable electrolytes
B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
C. Regular heart rhythm
D. Constant body temperature
Answer: B. Fluid and electrolyte shifts causing nausea, vomiting, or
dysrhythmias
5. What is the correct sequence of the RAAS system?
A. Kidneys release renin → angiotensin I → angiotensin II → vasodilation →
decreased aldosterone
B. Kidneys release renin → angiotensin I → angiotensin II → vasoconstriction →
aldosterone release → sodium/water retention → blood pressure maintained
C. Angiotensin II converts renin to angiotensin I → sodium loss → decreased blood
pressure
D. Angiotensin I directly causes vasodilation and sodium retention
Answer: B. Kidneys release renin → angiotensin I → angiotensin II →
vasoconstriction → aldosterone release → sodium/water retention → blood
pressure maintained
6. What is a key laboratory finding in Diabetic Ketoacidosis (DKA)?
A. Increased HCO3
B. Decreased anion gap
C. Increased anion gap, decreased HCO3
D. Normal anion gap, increased HCO3
Answer: C. Increased anion gap, decreased HCO3
,7. How do the kidneys compensate for alkalosis?
A. Retain hydrogen ions and excrete bicarbonate
B. Excrete hydrogen ions and retain bicarbonate
C. Retain potassium and sodium
D. Retain hydrogen and potassium
Answer: A. Retain hydrogen ions and excrete bicarbonate
8. Untreated acidosis leads to an increase in which electrolyte?
A. Calcium
B. Sodium
C. Potassium
D. Magnesium
Answer: C. Potassium
9. What is the mode of transmission for West Nile Virus?
A. Tick bites
B. Respiratory droplets
C. Bite of an infected mosquito
D. Contaminated water
Answer: C. Bite of an infected mosquito
10. Lyme disease is caused by:
A. Borrelia burgdorferi via tick bites
B. West Nile virus via mosquito bites
C. Bartonella henselae via cat scratches
D. Salmonella via contaminated food
Answer: A. Borrelia burgdorferi via tick bites
, 11. Erythema infectiosum is characterized by:
A. Blue lips and high fever
B. Red, flushed cheeks after upper respiratory symptoms (“fifth disease”)
C. Petechiae on the legs
D. Jaundice
Answer: B. Red, flushed cheeks after upper respiratory symptoms (“fifth
disease”)
12. Which maternal condition increases the risk of spina bifida?
A. Obesity and diabetes
B. Hypertension and anemia
C. Asthma and hyperthyroidism
D. None of the above
Answer: A. Obesity and diabetes
13. Trousseau’s sign indicates:
A. Hypernatremia
B. Hyperkalemia
C. Hypocalcemia
D. Hypercalcemia
Answer: C. Hypocalcemia
14. What is a common sign of spina bifida?
A. Facial droop
B. Fluid-filled sac on the lower back
C. Clubfoot
Multiple Choice and Conceptual Actual
Emended Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!Current Update
1. How does the body respond to an infection?
A. T cells produce antibodies directly.
B. T cells produce cytokines, stimulating B cells to produce antibodies.
C. B cells destroy pathogens through phagocytosis.
D. T cells suppress B cell activity.
Answer: B. T cells produce cytokines, stimulating B cells to produce antibodies.
2. What is the role of DNA changes in congenital abnormalities?
A. Only environmental factors cause congenital abnormalities.
B. Mutations in genes or chromosomal abnormalities can lead to them.
C. Changes in protein structure always prevent congenital abnormalities.
D. Congenital abnormalities are unrelated to DNA.
Answer: B. Mutations in genes or chromosomal abnormalities can lead to them.
3. Which factor disrupts congenital development?
A. Alterations in DNA structure
B. Stable gene expression
C. Enhanced cell repair
,D. None of the above
Answer: A. Alterations in DNA structure
4. Which is an example of disrupted homeostasis affecting well-being?
A. Stable electrolytes
B. Fluid and electrolyte shifts causing nausea, vomiting, or dysrhythmias
C. Regular heart rhythm
D. Constant body temperature
Answer: B. Fluid and electrolyte shifts causing nausea, vomiting, or
dysrhythmias
5. What is the correct sequence of the RAAS system?
A. Kidneys release renin → angiotensin I → angiotensin II → vasodilation →
decreased aldosterone
B. Kidneys release renin → angiotensin I → angiotensin II → vasoconstriction →
aldosterone release → sodium/water retention → blood pressure maintained
C. Angiotensin II converts renin to angiotensin I → sodium loss → decreased blood
pressure
D. Angiotensin I directly causes vasodilation and sodium retention
Answer: B. Kidneys release renin → angiotensin I → angiotensin II →
vasoconstriction → aldosterone release → sodium/water retention → blood
pressure maintained
6. What is a key laboratory finding in Diabetic Ketoacidosis (DKA)?
A. Increased HCO3
B. Decreased anion gap
C. Increased anion gap, decreased HCO3
D. Normal anion gap, increased HCO3
Answer: C. Increased anion gap, decreased HCO3
,7. How do the kidneys compensate for alkalosis?
A. Retain hydrogen ions and excrete bicarbonate
B. Excrete hydrogen ions and retain bicarbonate
C. Retain potassium and sodium
D. Retain hydrogen and potassium
Answer: A. Retain hydrogen ions and excrete bicarbonate
8. Untreated acidosis leads to an increase in which electrolyte?
A. Calcium
B. Sodium
C. Potassium
D. Magnesium
Answer: C. Potassium
9. What is the mode of transmission for West Nile Virus?
A. Tick bites
B. Respiratory droplets
C. Bite of an infected mosquito
D. Contaminated water
Answer: C. Bite of an infected mosquito
10. Lyme disease is caused by:
A. Borrelia burgdorferi via tick bites
B. West Nile virus via mosquito bites
C. Bartonella henselae via cat scratches
D. Salmonella via contaminated food
Answer: A. Borrelia burgdorferi via tick bites
, 11. Erythema infectiosum is characterized by:
A. Blue lips and high fever
B. Red, flushed cheeks after upper respiratory symptoms (“fifth disease”)
C. Petechiae on the legs
D. Jaundice
Answer: B. Red, flushed cheeks after upper respiratory symptoms (“fifth
disease”)
12. Which maternal condition increases the risk of spina bifida?
A. Obesity and diabetes
B. Hypertension and anemia
C. Asthma and hyperthyroidism
D. None of the above
Answer: A. Obesity and diabetes
13. Trousseau’s sign indicates:
A. Hypernatremia
B. Hyperkalemia
C. Hypocalcemia
D. Hypercalcemia
Answer: C. Hypocalcemia
14. What is a common sign of spina bifida?
A. Facial droop
B. Fluid-filled sac on the lower back
C. Clubfoot
