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Exam (elaborations)

WGU D236 Patho 290+ (Latest Edition) 100% Verified Q&A + Answer Key Solutions

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WGU D236 Patho 290+ (Latest Edition) 100% Verified Q&A + Answer Key Solutions

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WGU D236 Patho
(Latest 2025-2026 Edition) 100% Verified Q&A + Answer
290+
Key Solutions


VERIFIED ANSWERS


Question 1
What is the primary determinant of oncotic pressure?
Correct Answer
Albumin


Question 2
Form of osmotic pressure exerted by proteins
Correct Answer
Oncotic Pressure


Question 3
What is the difference between adult and child immunity?
Correct Answer
Naive T Cells


Question 4
Fluid and electrolyte levels are regulated by _________________, which regulates actions such as thirst, ADH, the kidneys, and
RAAS.
Correct Answer
Osmoreceptors


Question 5
What are the causes of dehydration?
Correct Answer
#Excessive loss
#Inadequate intake
#Both




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,Question 6
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


Question 7
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?

Correct 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.


Question 8
Normal CO2 level
Correct Answer
35-45


Question 9
Normal pH level
Correct Answer
7.35-7.45


Question 10
Normal HCO3 level
Correct Answer
22-26




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,Question 11
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.

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.
Correct 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.


Question 12
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.


Question 13
Normal sodium level
Correct Answer
135-145




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, Question 14
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


Question 15
Hypernatremia is indicated by what lab result? S/Sx
Correct Answer
Na > 145

Excessive thirst
Extreme fatigue
Confusion
Muscle twitching or spasms
Restlessness
Seizures


Question 16
Normal potassium level

Correct Answer
3.5-5.0


Question 17
Hypokalemia is indicated by what lab result? S/Sx
Correct Answer
K < 3.5

#Muscle fatigue/cramping
#Nausea, vomiting, constipation
#Cardiac dysrhythmias
#Paresthesia (numbness/tingling)




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Written in
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