WGU D236 Patho - Megan/Shay’s Study
Guide 2025/2026 Exam Questions and
Answers | A+ Score Assured
What is the primary determinant of oncotic pressure? - 🧠 ANSWER
✔✔Albumin
Form of osmotic pressure exerted by proteins - 🧠 ANSWER ✔✔Oncotic
Pressure
What is the difference between adult and child immunity? - 🧠 ANSWER
✔✔Naive T Cells
,Fluid and electrolyte levels are regulated by _________________, which
regulates actions such as thirst, ADH, the kidneys, and RAAS. - 🧠
ANSWER ✔✔Osmoreceptors
What are the causes of dehydration? - 🧠 ANSWER ✔✔#Excessive loss
#Inadequate intake
#Both
What s/sx are associated with dehydration? - 🧠 ANSWER ✔✔#Dry mucous
membranes
#Decreased skin turgor
#Decreased urine output
#Low blood pressure
#Tachycardia
#Weak heart rate
#Confusion
A patient with a viral illness and severe vomiting has an elevated CO2 level
and pH of 7.53. She is breathing slowly. What condition does she have? - 🧠
ANSWER ✔✔Metabolic alkalosis
,The patient's pH and CO2 levels are both elevated (moving in the same
direction). This indicates metabolic alkalosis. The CO2 level is high
because her respiratory system is attempting to compensate for the high
pH by exhaling less and retaining more CO2.
Normal CO2 level - 🧠 ANSWER ✔✔35-45
Normal pH level - 🧠 ANSWER ✔✔7.35-7.45
Normal HCO3 level - 🧠 ANSWER ✔✔22-26
Michael's pulmonary edema leads to respiratory acidosis. How does pH
impact Michael's basal metabolic panel? Choose 3 answers.
His CO2 level is increased because his lungs have difficulty removing it
from the bloodstream.
His calcium level is reduced because the elevated concentration of H+
makes it easier for Ca+ to bind to albumin.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, His CO2 level is decreased because his lungs have difficulty adding it into
the bloodstream.
His sodium level is decreased due to hypervolemia.
His K+ is elevated because, as H+ moves inside of cells in an attempt to
get it out of the bloodstream, K+ moves from cells into the bloodstream. - 🧠
ANSWER ✔✔His CO2 level is increased because his lungs have difficulty
removing it from the bloodstream.
His sodium level is decreased due to hypervolemia.
His K+ is elevated because, as H+ moves inside of cells in an attempt to
get it out of the bloodstream, K+ moves from cells into the bloodstream.
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?
Guide 2025/2026 Exam Questions and
Answers | A+ Score Assured
What is the primary determinant of oncotic pressure? - 🧠 ANSWER
✔✔Albumin
Form of osmotic pressure exerted by proteins - 🧠 ANSWER ✔✔Oncotic
Pressure
What is the difference between adult and child immunity? - 🧠 ANSWER
✔✔Naive T Cells
,Fluid and electrolyte levels are regulated by _________________, which
regulates actions such as thirst, ADH, the kidneys, and RAAS. - 🧠
ANSWER ✔✔Osmoreceptors
What are the causes of dehydration? - 🧠 ANSWER ✔✔#Excessive loss
#Inadequate intake
#Both
What s/sx are associated with dehydration? - 🧠 ANSWER ✔✔#Dry mucous
membranes
#Decreased skin turgor
#Decreased urine output
#Low blood pressure
#Tachycardia
#Weak heart rate
#Confusion
A patient with a viral illness and severe vomiting has an elevated CO2 level
and pH of 7.53. She is breathing slowly. What condition does she have? - 🧠
ANSWER ✔✔Metabolic alkalosis
,The patient's pH and CO2 levels are both elevated (moving in the same
direction). This indicates metabolic alkalosis. The CO2 level is high
because her respiratory system is attempting to compensate for the high
pH by exhaling less and retaining more CO2.
Normal CO2 level - 🧠 ANSWER ✔✔35-45
Normal pH level - 🧠 ANSWER ✔✔7.35-7.45
Normal HCO3 level - 🧠 ANSWER ✔✔22-26
Michael's pulmonary edema leads to respiratory acidosis. How does pH
impact Michael's basal metabolic panel? Choose 3 answers.
His CO2 level is increased because his lungs have difficulty removing it
from the bloodstream.
His calcium level is reduced because the elevated concentration of H+
makes it easier for Ca+ to bind to albumin.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, His CO2 level is decreased because his lungs have difficulty adding it into
the bloodstream.
His sodium level is decreased due to hypervolemia.
His K+ is elevated because, as H+ moves inside of cells in an attempt to
get it out of the bloodstream, K+ moves from cells into the bloodstream. - 🧠
ANSWER ✔✔His CO2 level is increased because his lungs have difficulty
removing it from the bloodstream.
His sodium level is decreased due to hypervolemia.
His K+ is elevated because, as H+ moves inside of cells in an attempt to
get it out of the bloodstream, K+ moves from cells into the bloodstream.
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?
