NSG 5240 ADVANCED PHARMACOLOGY EXAM PRACTICE | STUDY GUIDE |
TESTBANK | PRACTICE QUESTIONS & ANSWERS | EXAM PREPARATION | LATEST
UPDATE 2026/2027 | ADVANCED REVIEW
TABLE OF CONTENTS
1. Pharmacokinetics and Pharmacodynamics
2. Cardiovascular Pharmacology
3. Endocrine Pharmacology
4. Antimicrobial Pharmacology
5. Neurologic and Psychiatric Pharmacology
6. Respiratory Pharmacology
7. Gastrointestinal Pharmacology
8. Analgesics and Anti-Inflammatory Agents
9. Anticoagulation and Hematologic Pharmacology
10. Advanced Prescribing, Drug Interactions, Safety, and Clinical Decision-Making
DESCRIPTION
This advanced NSG 5240 pharmacology study resource is designed to support
graduate-level preparation through challenging, clinically oriented practice questions.
The material emphasizes pharmacokinetics, pharmacodynamics, adverse-effect
recognition, drug interactions, contraindications, therapeutic monitoring, dose
adjustment, and evidence-informed prescribing decisions. Questions are structured
around complex patient scenarios requiring interpretation of laboratory findings,
assessment of competing risks, prioritization of interventions, and selection of the
safest pharmacologic strategy. Coverage spans major medication classes commonly
addressed in advanced pharmacology coursework, including cardiovascular,
endocrine, antimicrobial, neurologic, psychiatric, respiratory, gastrointestinal,
analgesic, anticoagulant, and other high-risk therapies. The questions are intended as
a supplemental study aid based on the types of concepts typically taught in advanced
pharmacology courses and graduate nursing curricula, rather than reproducing any
actual examination questions.
QUESTION 1.
,A 72-year-old patient with heart failure with reduced ejection fraction is taking
lisinopril, spironolactone, and furosemide. The patient develops diarrhea and poor
oral intake for 4 days. Laboratory results show serum creatinine increased from 1.1
mg/dL to 2.3 mg/dL and potassium increased from 4.7 mEq/L to 6.0 mEq/L. Blood
pressure is 96/58 mmHg. Which pharmacologic intervention is the highest priority?
A. Increase the furosemide dose to promote potassium excretion
B. Hold lisinopril and spironolactone while urgently evaluating the acute kidney
injury and hyperkalemia
C. Continue all medications because both lisinopril and spironolactone improve
long-term mortality
D. Administer potassium supplementation to stabilize the cardiac membrane
🔴 Correct Answer: B. Hold lisinopril and spironolactone while urgently
evaluating the acute kidney injury and hyperkalemia.
🔵 Explanation: The combination of acute kidney injury, hypotension, and significant
hyperkalemia creates an immediate medication-related safety concern with both an
ACE inhibitor and potassium-sparing aldosterone antagonist. Temporarily withholding
these agents while evaluating and treating the underlying volume depletion and
hyperkalemia is appropriate. Increasing furosemide without addressing the
hemodynamic problem is not the first priority, and potassium supplementation would
be dangerous.
QUESTION 2.
A patient stabilized on warfarin for a mechanical heart valve is prescribed
trimethoprim-sulfamethoxazole for a urinary tract infection. Three days later, the
patient reports epistaxis and extensive bruising. Which mechanism best explains the
increased bleeding risk?
A. Reduced gastrointestinal absorption of warfarin caused by antibiotic-induced
diarrhea
B. Competitive displacement of warfarin from hemoglobin
C. Increased renal elimination of warfarin
D. Potentiation of warfarin's anticoagulant effect through inhibition of its
metabolism and reduction of vitamin K-producing intestinal flora
,🔴 Correct Answer: D. Potentiation of warfarin's anticoagulant effect through
inhibition of its metabolism and reduction of vitamin K-producing intestinal flora.
🔵 Explanation: Trimethoprim-sulfamethoxazole can substantially increase warfarin
exposure and anticoagulant effect through metabolic inhibition and alteration of
intestinal vitamin K production. A patient with a mechanical valve has a particularly
high consequence from excessive anticoagulation because bleeding can become
severe. The interaction warrants close INR monitoring and consideration of an
alternative antimicrobial when clinically appropriate.
QUESTION 3.
A patient with type 2 diabetes and chronic kidney disease is prescribed metformin.
The patient presents with severe sepsis, hypotension, and an elevated serum
lactate. Which pharmacologic principle most strongly supports withholding
metformin during this acute illness?
A. Metformin can contribute to lactic acidosis when significant tissue hypoxia or
impaired clearance is present
B. Metformin causes severe hypoglycemia whenever renal function declines
C. Metformin directly inhibits hepatic insulin secretion during septic shock
D. Metformin rapidly increases renal glucose reabsorption during hypotension
🔴 Correct Answer: A. Metformin can contribute to lactic acidosis when
significant tissue hypoxia or impaired clearance is present.
🔵 Explanation: Metformin-associated lactic acidosis is uncommon but potentially
serious, and acute conditions involving hypoperfusion, hypoxia, or significant renal
dysfunction increase concern. Sepsis with hypotension and elevated lactate represents
a setting in which temporarily withholding metformin is prudent. The other choices do
not describe the principal safety concern.
QUESTION 4.
A patient with atrial fibrillation is taking digoxin and develops nausea, anorexia,
confusion, and yellow-green visual disturbances. The serum digoxin concentration
is elevated, and potassium is 2.8 mEq/L. Which factor most likely increased the
patient's susceptibility to digoxin toxicity?
, A. Hypernatremia
B. Hypercalcemia alone
C. Hypokalemia
D. Increased dietary potassium intake
🔴 Correct Answer: C. Hypokalemia
🔵 Explanation: Hypokalemia increases digoxin binding to the Na⁺/K⁺-ATPase
receptor and therefore increases susceptibility to toxicity. The patient's
gastrointestinal, neurologic, and visual manifestations are classic warning features.
Correcting potassium abnormalities and evaluating the need for additional treatment
of significant digoxin toxicity are important clinical priorities.
QUESTION 5.
A patient taking sertraline for major depressive disorder is prescribed linezolid for a
resistant bacterial infection. Several hours after starting therapy, the patient
develops agitation, diaphoresis, tremor, hyperreflexia, and inducible clonus. Which
diagnosis is most likely?
A. Neuroleptic malignant syndrome
B. Serotonin syndrome
C. Anticholinergic toxicity
D. Malignant hyperthermia
🔴 Correct Answer: B. Serotonin syndrome
🔵 Explanation: Linezolid has monoamine oxidase-inhibiting activity and can interact
with serotonergic antidepressants, producing serotonin toxicity. Rapid onset of
agitation, autonomic instability, tremor, hyperreflexia, and clonus strongly supports
serotonin syndrome. Neuroleptic malignant syndrome more typically produces severe
rigidity and hyporeflexia following exposure to dopamine antagonism.
QUESTION 6.
A patient with hypertension, benign prostatic hyperplasia, and recurrent falls is
prescribed a medication that blocks peripheral α₁-adrenergic receptors. Which
TESTBANK | PRACTICE QUESTIONS & ANSWERS | EXAM PREPARATION | LATEST
UPDATE 2026/2027 | ADVANCED REVIEW
TABLE OF CONTENTS
1. Pharmacokinetics and Pharmacodynamics
2. Cardiovascular Pharmacology
3. Endocrine Pharmacology
4. Antimicrobial Pharmacology
5. Neurologic and Psychiatric Pharmacology
6. Respiratory Pharmacology
7. Gastrointestinal Pharmacology
8. Analgesics and Anti-Inflammatory Agents
9. Anticoagulation and Hematologic Pharmacology
10. Advanced Prescribing, Drug Interactions, Safety, and Clinical Decision-Making
DESCRIPTION
This advanced NSG 5240 pharmacology study resource is designed to support
graduate-level preparation through challenging, clinically oriented practice questions.
The material emphasizes pharmacokinetics, pharmacodynamics, adverse-effect
recognition, drug interactions, contraindications, therapeutic monitoring, dose
adjustment, and evidence-informed prescribing decisions. Questions are structured
around complex patient scenarios requiring interpretation of laboratory findings,
assessment of competing risks, prioritization of interventions, and selection of the
safest pharmacologic strategy. Coverage spans major medication classes commonly
addressed in advanced pharmacology coursework, including cardiovascular,
endocrine, antimicrobial, neurologic, psychiatric, respiratory, gastrointestinal,
analgesic, anticoagulant, and other high-risk therapies. The questions are intended as
a supplemental study aid based on the types of concepts typically taught in advanced
pharmacology courses and graduate nursing curricula, rather than reproducing any
actual examination questions.
QUESTION 1.
,A 72-year-old patient with heart failure with reduced ejection fraction is taking
lisinopril, spironolactone, and furosemide. The patient develops diarrhea and poor
oral intake for 4 days. Laboratory results show serum creatinine increased from 1.1
mg/dL to 2.3 mg/dL and potassium increased from 4.7 mEq/L to 6.0 mEq/L. Blood
pressure is 96/58 mmHg. Which pharmacologic intervention is the highest priority?
A. Increase the furosemide dose to promote potassium excretion
B. Hold lisinopril and spironolactone while urgently evaluating the acute kidney
injury and hyperkalemia
C. Continue all medications because both lisinopril and spironolactone improve
long-term mortality
D. Administer potassium supplementation to stabilize the cardiac membrane
🔴 Correct Answer: B. Hold lisinopril and spironolactone while urgently
evaluating the acute kidney injury and hyperkalemia.
🔵 Explanation: The combination of acute kidney injury, hypotension, and significant
hyperkalemia creates an immediate medication-related safety concern with both an
ACE inhibitor and potassium-sparing aldosterone antagonist. Temporarily withholding
these agents while evaluating and treating the underlying volume depletion and
hyperkalemia is appropriate. Increasing furosemide without addressing the
hemodynamic problem is not the first priority, and potassium supplementation would
be dangerous.
QUESTION 2.
A patient stabilized on warfarin for a mechanical heart valve is prescribed
trimethoprim-sulfamethoxazole for a urinary tract infection. Three days later, the
patient reports epistaxis and extensive bruising. Which mechanism best explains the
increased bleeding risk?
A. Reduced gastrointestinal absorption of warfarin caused by antibiotic-induced
diarrhea
B. Competitive displacement of warfarin from hemoglobin
C. Increased renal elimination of warfarin
D. Potentiation of warfarin's anticoagulant effect through inhibition of its
metabolism and reduction of vitamin K-producing intestinal flora
,🔴 Correct Answer: D. Potentiation of warfarin's anticoagulant effect through
inhibition of its metabolism and reduction of vitamin K-producing intestinal flora.
🔵 Explanation: Trimethoprim-sulfamethoxazole can substantially increase warfarin
exposure and anticoagulant effect through metabolic inhibition and alteration of
intestinal vitamin K production. A patient with a mechanical valve has a particularly
high consequence from excessive anticoagulation because bleeding can become
severe. The interaction warrants close INR monitoring and consideration of an
alternative antimicrobial when clinically appropriate.
QUESTION 3.
A patient with type 2 diabetes and chronic kidney disease is prescribed metformin.
The patient presents with severe sepsis, hypotension, and an elevated serum
lactate. Which pharmacologic principle most strongly supports withholding
metformin during this acute illness?
A. Metformin can contribute to lactic acidosis when significant tissue hypoxia or
impaired clearance is present
B. Metformin causes severe hypoglycemia whenever renal function declines
C. Metformin directly inhibits hepatic insulin secretion during septic shock
D. Metformin rapidly increases renal glucose reabsorption during hypotension
🔴 Correct Answer: A. Metformin can contribute to lactic acidosis when
significant tissue hypoxia or impaired clearance is present.
🔵 Explanation: Metformin-associated lactic acidosis is uncommon but potentially
serious, and acute conditions involving hypoperfusion, hypoxia, or significant renal
dysfunction increase concern. Sepsis with hypotension and elevated lactate represents
a setting in which temporarily withholding metformin is prudent. The other choices do
not describe the principal safety concern.
QUESTION 4.
A patient with atrial fibrillation is taking digoxin and develops nausea, anorexia,
confusion, and yellow-green visual disturbances. The serum digoxin concentration
is elevated, and potassium is 2.8 mEq/L. Which factor most likely increased the
patient's susceptibility to digoxin toxicity?
, A. Hypernatremia
B. Hypercalcemia alone
C. Hypokalemia
D. Increased dietary potassium intake
🔴 Correct Answer: C. Hypokalemia
🔵 Explanation: Hypokalemia increases digoxin binding to the Na⁺/K⁺-ATPase
receptor and therefore increases susceptibility to toxicity. The patient's
gastrointestinal, neurologic, and visual manifestations are classic warning features.
Correcting potassium abnormalities and evaluating the need for additional treatment
of significant digoxin toxicity are important clinical priorities.
QUESTION 5.
A patient taking sertraline for major depressive disorder is prescribed linezolid for a
resistant bacterial infection. Several hours after starting therapy, the patient
develops agitation, diaphoresis, tremor, hyperreflexia, and inducible clonus. Which
diagnosis is most likely?
A. Neuroleptic malignant syndrome
B. Serotonin syndrome
C. Anticholinergic toxicity
D. Malignant hyperthermia
🔴 Correct Answer: B. Serotonin syndrome
🔵 Explanation: Linezolid has monoamine oxidase-inhibiting activity and can interact
with serotonergic antidepressants, producing serotonin toxicity. Rapid onset of
agitation, autonomic instability, tremor, hyperreflexia, and clonus strongly supports
serotonin syndrome. Neuroleptic malignant syndrome more typically produces severe
rigidity and hyporeflexia following exposure to dopamine antagonism.
QUESTION 6.
A patient with hypertension, benign prostatic hyperplasia, and recurrent falls is
prescribed a medication that blocks peripheral α₁-adrenergic receptors. Which
