WGU D236 PRE ASSESSMENT QUESTIONS AND
CORRECT ANSWERS | (PATHOPHYSIOLOGY) LATEST
UPDATE 2026/2027 | GRADED A+
Pre-Assessment: Pathophysiology (PPAO) D236
Competencies and Topics
Homeostasis and Cellular Responses - 24% of assessment
Homeostasis Concepts
1.
What happens to the various anion levels in the bloodstream during diabetic ketoacidosis?
CORRECT
ANSWER
Both the anion gap and the HCO3– levels increase.
Both the anion gap and the HCO 3– levels decrease.
The anion gap level increases, whereas the HCO 3– level decreases.
The anion gap level decreases, whereas the HCO 3– level increases.
2.
How do the kidneys compensate for alkalosis?
CORREC
T
ANSWER
By retaining more H+ and excreting more HCO3 –
By excreting more H+ and retaining more HCO3 –
By excreting both more H+ and more HCO3 –
By retaining both more H+ and more HCO3 –
3.
A patient presents with altered mental status and decreased fluid intake. The patient is diagnosed
with a urinary tract infection. Laboratory testing of electrolytes reveals sodium 167 mmol/L and
, lOMoAR cPSD| 5967629
potassium 4.0 mmol/L.
, lOMoAR cPSD| 5967629
Which electrolyte imbalance is this patient experiencing?
CORRECT
ANSWER
Hypernatremia
Hyperkalemia
Hyponatremia
Hypokalemia
4.
What should a healthcare provider recognize as part of a patient’s adaptive immune response to an
influenza virus?
CORRECT
ANSWER
Generation of immunoglobulin M (IgM)
Increase in white blood cells (WBC)
Activation of the complement system
Production of cytokines
5.
A 54-year-old patient arrives at the emergency department with symptoms of fever, tremors,
convulsions, and stupor. The physician also notes several mosquito bites over his upper extremities.
Which infectious disease is described?
, lOMoAR cPSD| 5967629
CORRE
CT
ANSWE
R
West Nile virus
Lyme disease
Erythema infectiosum
H1N1 flu
6.
A health informatics professional is conducting a documentation review of records at the request of
the Infection Control Department. The professional is tasked with flagging records of patients with
diseases spread by respiratory secretions.
What are two diseases that this HIM professional should flag?
Choose 2 answers.
CORRECT
ANSWER
Varicella
Botulism
Acute respiratory distress syndrome
Influenza
Acquired immunodeficiency syndrome
7.
Which apparent electrolyte imbalance may result from untreated acidosis?
CORRECT
ANSWER
Hypernatremia
CORRECT ANSWERS | (PATHOPHYSIOLOGY) LATEST
UPDATE 2026/2027 | GRADED A+
Pre-Assessment: Pathophysiology (PPAO) D236
Competencies and Topics
Homeostasis and Cellular Responses - 24% of assessment
Homeostasis Concepts
1.
What happens to the various anion levels in the bloodstream during diabetic ketoacidosis?
CORRECT
ANSWER
Both the anion gap and the HCO3– levels increase.
Both the anion gap and the HCO 3– levels decrease.
The anion gap level increases, whereas the HCO 3– level decreases.
The anion gap level decreases, whereas the HCO 3– level increases.
2.
How do the kidneys compensate for alkalosis?
CORREC
T
ANSWER
By retaining more H+ and excreting more HCO3 –
By excreting more H+ and retaining more HCO3 –
By excreting both more H+ and more HCO3 –
By retaining both more H+ and more HCO3 –
3.
A patient presents with altered mental status and decreased fluid intake. The patient is diagnosed
with a urinary tract infection. Laboratory testing of electrolytes reveals sodium 167 mmol/L and
, lOMoAR cPSD| 5967629
potassium 4.0 mmol/L.
, lOMoAR cPSD| 5967629
Which electrolyte imbalance is this patient experiencing?
CORRECT
ANSWER
Hypernatremia
Hyperkalemia
Hyponatremia
Hypokalemia
4.
What should a healthcare provider recognize as part of a patient’s adaptive immune response to an
influenza virus?
CORRECT
ANSWER
Generation of immunoglobulin M (IgM)
Increase in white blood cells (WBC)
Activation of the complement system
Production of cytokines
5.
A 54-year-old patient arrives at the emergency department with symptoms of fever, tremors,
convulsions, and stupor. The physician also notes several mosquito bites over his upper extremities.
Which infectious disease is described?
, lOMoAR cPSD| 5967629
CORRE
CT
ANSWE
R
West Nile virus
Lyme disease
Erythema infectiosum
H1N1 flu
6.
A health informatics professional is conducting a documentation review of records at the request of
the Infection Control Department. The professional is tasked with flagging records of patients with
diseases spread by respiratory secretions.
What are two diseases that this HIM professional should flag?
Choose 2 answers.
CORRECT
ANSWER
Varicella
Botulism
Acute respiratory distress syndrome
Influenza
Acquired immunodeficiency syndrome
7.
Which apparent electrolyte imbalance may result from untreated acidosis?
CORRECT
ANSWER
Hypernatremia
