WGU D027 OA REMEDIATION (MICHELLE'S VERSION) – QUESTIONS AND ANSWERS | VERIFIED AND
WELL DETAILED ANSWERS | PLUS RATIONALES | GUARANTEED PASS | LATEST EXAM UPDATE
CORE DOMAINS
Pathophysiology
Pharmacokinetics
Pharmacodynamics
Systemic Therapeutics
Prescribing Principles and Patient Safety
Regulatory and Legal Compliance in Nursing
Ethics and Professional Standards
Clinical Decision-Making and Critical Thinking
INTRODUCTION
This comprehensive assessment is designed to evaluate the advanced pathopharmacological knowledge
required for professional nursing practice. It assesses the learner's ability to integrate pathophysiological
mechanisms with pharmacologic interventions, ensuring safe and effective patient care. The structure
employs multiple-choice and scenario-based questions that mirror real-world clinical challenges.
Emphasis is placed on applying foundational theory to practical situations, demonstrating critical
thinking, and making sound professional judgments. This exam serves as a rigorous tool for remediation,
ensuring mastery of essential concepts for advanced practice.
SECTION ONE – QUESTIONS 1–100
Question 1
A patient presents with signs of inflammation including redness, heat, swelling, and pain. At the
cellular level, which process is primarily responsible for the redness and heat observed in this patient?
A. Increased vascular permeability
B. Vasodilation of arterioles
C. Emigration of leukocytes
D. Chemotaxis of macrophages
🟢 Correct answer: B
🔴 Explanation: Vasodilation of arterioles is the initial vascular response to injury or infection. This
process increases blood flow to the affected area, which manifests clinically as redness (erythema) and
heat (calor). Increased vascular permeability primarily causes swelling (edema), while leukocyte
emigration and chemotaxis are later cellular events.
Question 2
A nurse is reviewing the medication list for a patient with a history of asthma. Which class of
,antihypertensive medications should be avoided due to the risk of bronchoconstriction?
A. Angiotensin-converting enzyme (ACE) inhibitors
B. Angiotensin II receptor blockers (ARBs)
C. Nonselective beta-blockers
D. Calcium channel blockers
🟢 Correct answer: C
🔴 Explanation: Nonselective beta-blockers antagonize both beta-1 and beta-2 receptors. Blockade of
beta-2 receptors in the lungs can cause bronchoconstriction, which is particularly dangerous for
patients with asthma. Cardioselective beta-blockers, ACE inhibitors, ARBs, and calcium channel
blockers are generally safer alternatives.
Question 3
A patient is prescribed a medication that undergoes extensive first-pass metabolism. Which route of
administration would bypass this effect?
A. Oral
B. Rectal
C. Intravenous
D. Sublingual
🟢 Correct answer: D
🔴 Explanation: Sublingual administration allows the medication to dissolve under the tongue and be
absorbed directly into the systemic circulation, bypassing the hepatic portal system and first-pass
metabolism. Intravenous administration also bypasses first-pass metabolism but is not an option listed
that involves mucosal absorption. Rectal administration partially avoids first-pass metabolism, but
sublingual is a more definitive bypass route.
Question 4
A patient with chronic kidney disease is prescribed a medication that is primarily eliminated by the
kidneys. The nurse should monitor for which of the following?
A. Increased drug efficacy
B. Signs of drug toxicity
C. Rapid drug excretion
D. Decreased therapeutic effect
🟢 Correct answer: B
🔴 Explanation: In chronic kidney disease, the glomerular filtration rate is reduced, leading to
decreased clearance of renally excreted drugs. This can result in drug accumulation and an increased
risk of toxicity. The nurse must monitor for signs of toxicity and adjust dosages accordingly.
Question 5
A 28-year-old client in therapy frequently avoids discussing her emotions. During a session, the
,therapist asks her to speak to an empty chair as if her absent father were present. What therapeutic
technique is being used?
A. Cognitive restructuring
B. Empty chair technique
C. Exposure therapy
D. Guided imagery
🟢 Correct answer: B
🔴 Explanation: The empty chair technique is a hallmark of gestalt therapy. It helps clients express
unresolved feelings and increase present-moment awareness by allowing them to engage in a
dialogue with an imagined person or aspect of themselves.
Question 6
A patient diagnosed with type 2 diabetes mellitus is prescribed metformin. The nurse should include
which instruction regarding the timing of administration?
A. Take with the first bite of a meal
B. Take on an empty stomach
C. Take at bedtime
D. Take with a full glass of grapefruit juice
🟢 Correct answer: A
🔴 Explanation: Metformin should be taken with meals to reduce gastrointestinal side effects, which
are common with this medication. Taking it with the first bite of a meal helps minimize nausea and
diarrhea. Grapefruit juice can interact with many medications but is not a specific concern for
metformin.
Question 7
A patient with a history of heart failure is prescribed furosemide. Which electrolyte imbalance should
the nurse monitor for most closely?
A. Hyperkalemia
B. Hyponatremia
C. Hypokalemia
D. Hypercalcemia
🟢 Correct answer: C
🔴 Explanation: Furosemide is a loop diuretic that inhibits sodium and chloride reabsorption in the
ascending loop of Henle. This action also increases potassium excretion, making hypokalemia the most
common and clinically significant electrolyte imbalance to monitor.
Question 8
A nurse is caring for a patient who is prescribed warfarin. The patient asks which food should be
consumed consistently. The nurse should advise the patient to maintain a consistent intake of:
, A. Vitamin C
B. Vitamin K
C. Potassium
D. Calcium
🟢 Correct answer: B
🔴 Explanation: Warfarin is a vitamin K antagonist. Patients should maintain a consistent intake of
vitamin K-rich foods (such as leafy greens) to ensure stable anticoagulation. Sudden increases or
decreases in vitamin K intake can alter the INR and affect the medication's efficacy.
Question 9
A patient presents with symptoms of hypothyroidism. Which of the following clinical manifestations
would the nurse expect to find?
A. Weight loss and heat intolerance
B. Tachycardia and anxiety
C. Weight gain and cold intolerance
D. Diarrhea and diaphoresis
🟢 Correct answer: C
🔴 Explanation: Hypothyroidism results from decreased thyroid hormone production, leading to a
slowed metabolic rate. Common manifestations include weight gain, cold intolerance, bradycardia,
fatigue, and constipation. Weight loss, heat intolerance, tachycardia, and diarrhea are associated with
hyperthyroidism.
Question 10
A patient is started on an ACE inhibitor for hypertension. The nurse should monitor for which common
side effect?
A. Dry cough
B. Bradycardia
C. Hyperkalemia
D. Peripheral edema
🟢 Correct answer: A
🔴 Explanation: A dry, persistent cough is a common side effect of ACE inhibitors, occurring in
approximately 10-20% of patients. It is caused by the accumulation of bradykinin and substance P in
the lungs. While hyperkalemia can occur, it is less common than the cough. Bradycardia and peripheral
edema are not typical side effects of ACE inhibitors.
Question 11
A patient with a history of gastroesophageal reflux disease (GERD) is prescribed omeprazole. The nurse
understands that this medication works by:
A. Neutralizing gastric acid
B. Blocking histamine H2 receptors
WELL DETAILED ANSWERS | PLUS RATIONALES | GUARANTEED PASS | LATEST EXAM UPDATE
CORE DOMAINS
Pathophysiology
Pharmacokinetics
Pharmacodynamics
Systemic Therapeutics
Prescribing Principles and Patient Safety
Regulatory and Legal Compliance in Nursing
Ethics and Professional Standards
Clinical Decision-Making and Critical Thinking
INTRODUCTION
This comprehensive assessment is designed to evaluate the advanced pathopharmacological knowledge
required for professional nursing practice. It assesses the learner's ability to integrate pathophysiological
mechanisms with pharmacologic interventions, ensuring safe and effective patient care. The structure
employs multiple-choice and scenario-based questions that mirror real-world clinical challenges.
Emphasis is placed on applying foundational theory to practical situations, demonstrating critical
thinking, and making sound professional judgments. This exam serves as a rigorous tool for remediation,
ensuring mastery of essential concepts for advanced practice.
SECTION ONE – QUESTIONS 1–100
Question 1
A patient presents with signs of inflammation including redness, heat, swelling, and pain. At the
cellular level, which process is primarily responsible for the redness and heat observed in this patient?
A. Increased vascular permeability
B. Vasodilation of arterioles
C. Emigration of leukocytes
D. Chemotaxis of macrophages
🟢 Correct answer: B
🔴 Explanation: Vasodilation of arterioles is the initial vascular response to injury or infection. This
process increases blood flow to the affected area, which manifests clinically as redness (erythema) and
heat (calor). Increased vascular permeability primarily causes swelling (edema), while leukocyte
emigration and chemotaxis are later cellular events.
Question 2
A nurse is reviewing the medication list for a patient with a history of asthma. Which class of
,antihypertensive medications should be avoided due to the risk of bronchoconstriction?
A. Angiotensin-converting enzyme (ACE) inhibitors
B. Angiotensin II receptor blockers (ARBs)
C. Nonselective beta-blockers
D. Calcium channel blockers
🟢 Correct answer: C
🔴 Explanation: Nonselective beta-blockers antagonize both beta-1 and beta-2 receptors. Blockade of
beta-2 receptors in the lungs can cause bronchoconstriction, which is particularly dangerous for
patients with asthma. Cardioselective beta-blockers, ACE inhibitors, ARBs, and calcium channel
blockers are generally safer alternatives.
Question 3
A patient is prescribed a medication that undergoes extensive first-pass metabolism. Which route of
administration would bypass this effect?
A. Oral
B. Rectal
C. Intravenous
D. Sublingual
🟢 Correct answer: D
🔴 Explanation: Sublingual administration allows the medication to dissolve under the tongue and be
absorbed directly into the systemic circulation, bypassing the hepatic portal system and first-pass
metabolism. Intravenous administration also bypasses first-pass metabolism but is not an option listed
that involves mucosal absorption. Rectal administration partially avoids first-pass metabolism, but
sublingual is a more definitive bypass route.
Question 4
A patient with chronic kidney disease is prescribed a medication that is primarily eliminated by the
kidneys. The nurse should monitor for which of the following?
A. Increased drug efficacy
B. Signs of drug toxicity
C. Rapid drug excretion
D. Decreased therapeutic effect
🟢 Correct answer: B
🔴 Explanation: In chronic kidney disease, the glomerular filtration rate is reduced, leading to
decreased clearance of renally excreted drugs. This can result in drug accumulation and an increased
risk of toxicity. The nurse must monitor for signs of toxicity and adjust dosages accordingly.
Question 5
A 28-year-old client in therapy frequently avoids discussing her emotions. During a session, the
,therapist asks her to speak to an empty chair as if her absent father were present. What therapeutic
technique is being used?
A. Cognitive restructuring
B. Empty chair technique
C. Exposure therapy
D. Guided imagery
🟢 Correct answer: B
🔴 Explanation: The empty chair technique is a hallmark of gestalt therapy. It helps clients express
unresolved feelings and increase present-moment awareness by allowing them to engage in a
dialogue with an imagined person or aspect of themselves.
Question 6
A patient diagnosed with type 2 diabetes mellitus is prescribed metformin. The nurse should include
which instruction regarding the timing of administration?
A. Take with the first bite of a meal
B. Take on an empty stomach
C. Take at bedtime
D. Take with a full glass of grapefruit juice
🟢 Correct answer: A
🔴 Explanation: Metformin should be taken with meals to reduce gastrointestinal side effects, which
are common with this medication. Taking it with the first bite of a meal helps minimize nausea and
diarrhea. Grapefruit juice can interact with many medications but is not a specific concern for
metformin.
Question 7
A patient with a history of heart failure is prescribed furosemide. Which electrolyte imbalance should
the nurse monitor for most closely?
A. Hyperkalemia
B. Hyponatremia
C. Hypokalemia
D. Hypercalcemia
🟢 Correct answer: C
🔴 Explanation: Furosemide is a loop diuretic that inhibits sodium and chloride reabsorption in the
ascending loop of Henle. This action also increases potassium excretion, making hypokalemia the most
common and clinically significant electrolyte imbalance to monitor.
Question 8
A nurse is caring for a patient who is prescribed warfarin. The patient asks which food should be
consumed consistently. The nurse should advise the patient to maintain a consistent intake of:
, A. Vitamin C
B. Vitamin K
C. Potassium
D. Calcium
🟢 Correct answer: B
🔴 Explanation: Warfarin is a vitamin K antagonist. Patients should maintain a consistent intake of
vitamin K-rich foods (such as leafy greens) to ensure stable anticoagulation. Sudden increases or
decreases in vitamin K intake can alter the INR and affect the medication's efficacy.
Question 9
A patient presents with symptoms of hypothyroidism. Which of the following clinical manifestations
would the nurse expect to find?
A. Weight loss and heat intolerance
B. Tachycardia and anxiety
C. Weight gain and cold intolerance
D. Diarrhea and diaphoresis
🟢 Correct answer: C
🔴 Explanation: Hypothyroidism results from decreased thyroid hormone production, leading to a
slowed metabolic rate. Common manifestations include weight gain, cold intolerance, bradycardia,
fatigue, and constipation. Weight loss, heat intolerance, tachycardia, and diarrhea are associated with
hyperthyroidism.
Question 10
A patient is started on an ACE inhibitor for hypertension. The nurse should monitor for which common
side effect?
A. Dry cough
B. Bradycardia
C. Hyperkalemia
D. Peripheral edema
🟢 Correct answer: A
🔴 Explanation: A dry, persistent cough is a common side effect of ACE inhibitors, occurring in
approximately 10-20% of patients. It is caused by the accumulation of bradykinin and substance P in
the lungs. While hyperkalemia can occur, it is less common than the cough. Bradycardia and peripheral
edema are not typical side effects of ACE inhibitors.
Question 11
A patient with a history of gastroesophageal reflux disease (GERD) is prescribed omeprazole. The nurse
understands that this medication works by:
A. Neutralizing gastric acid
B. Blocking histamine H2 receptors
