NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
GRADUATE NURSING | ADVANCED PRACTICE EDUCATION
NSG533 / NSG 533 EXAM 3 (LATEST )
ADVANCED PHARMACOLOGY
Guide with Questions and Verified Answers | 100% Correct | Wilkes
100 Multiple-Choice Questions | Six Content Sections | Cognitive Mix: 20% Recall, 50% Application, 30% Analysis
Aligned with the Wilkes University NSG 533 Course Syllabus, the AACN Essentials of Master's Education in Nursing, and Advanced
Pharmacology Competencies (2026/2027 Edition)
Section 1: Anti-infective Pharmacology Questions 1-20
Q1: Which statement best describes the mechanism of action of the beta-lactam antibiotics?
A. They bind penicillin-binding proteins and inhibit transpeptidation of the peptidoglycan cell wall,
producing bactericidal lysis of actively dividing organisms *[CORRECT]*
B. They bind the 50S ribosomal subunit and block the translocation step of bacterial protein synthesis
C. They inhibit beta-1,3-D-glucan synthesis in the fungal cell wall, producing osmotic instability
D. They inhibit bacterial DNA gyrase and topoisomerase IV, preventing DNA replication and
transcription
Correct Answer: A
Rationale: Beta-lactams structurally mimic the D-alanyl-D-alanine terminus of peptidoglycan precursors and
covalently acylate penicillin-binding proteins (transpeptidases), halting cross-linking of the cell wall. Because the
effect requires active wall synthesis, beta-lactams are bactericidal only against dividing organisms. The 50S
ribosomal target describes macrolides and oxazolidinones, DNA gyrase and topoisomerase IV are the targets of
fluoroquinolones, and beta-glucan synthase inhibition defines the echinocandin antifungals.
Guide with Questions and Verified Answers 1
,NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q2: A 24-year-old woman with a documented history of anaphylaxis (urticaria and laryngeal edema) after
amoxicillin in childhood requires intravenous therapy for a complicated urinary tract infection. Which agent
is the most appropriate choice?
A. Piperacillin-tazobactam, because the beta-lactamase inhibitor reduces allergic potential
B. Aztreonam, because its monocyclic ring shares negligible cross-reactivity with other beta-lactam
classes *[CORRECT]*
C. Ceftriaxone, because third-generation cephalosporins never cross-react with penicillins
D. Amoxicillin-clavulanate, because clavulanate overcomes most resistance mechanisms
Correct Answer: B
Rationale: Aztreonam, a monobactam, has a structurally unique monocyclic beta-lactam ring and can be used safely
in patients with IgE-mediated penicillin allergy, with cross-reactivity limited to ceftazidime, which shares an identical
side chain. Cephalosporins and carbapenems carry a small but clinically significant cross-reactivity risk and are
avoided after true anaphylaxis. Beta-lactamase inhibitors such as clavulanate and tazobactam have no effect on
hypersensitivity, and re-exposure to amoxicillin-clavulanate is contraindicated.
Q3: A 58-year-old man with MRSA bacteremia from an infected central line has received intravenous
vancomycin for 3 days. Which monitoring plan best reflects current evidence-based practice for serious
MRSA infections?
A. Obtain a random peak concentration above 40 mg/L to confirm efficacy and monitor liver enzymes
weekly
B. Check serum creatinine once at the end of therapy, because vancomycin is not nephrotoxic when
dosed by weight
C. Target an AUC24/MIC of 400-600 mg.h/L, or a trough of 15-20 mg/L as a surrogate in bacteremia,
and monitor serum creatinine at least every 48 to 72 hours *[CORRECT]*
D. Maintain a trough of 5-10 mg/L, because higher concentrations increase ototoxicity without
improving outcomes
Correct Answer: C
Rationale: For serious MRSA infections such as bacteremia and endocarditis, current guidelines support
AUC-guided dosing targeting 400-600 mg.h/L, with a 15-20 mg/L trough accepted as the surrogate when AUC
methods are unavailable. Troughs of 5-10 mg/L risk subtherapeutic exposure for deep infections. Vancomycin is a
recognized nephrotoxin, so serial serum creatinine measurement at least every 48 to 72 hours is standard advanced
practice monitoring.
Guide with Questions and Verified Answers 2
,NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q4: During the second dose of intravenous vancomycin, a hospitalized patient develops diffuse flushing of
the face, neck, and upper chest with mild hypotension, but no wheals, wheezing, or airway symptoms. Which
action is most appropriate?
A. Switch permanently to daptomycin, because this reaction represents a true hypersensitivity that will
progress to anaphylaxis
B. Discontinue vancomycin permanently and document a severe vancomycin allergy in the medical
record
C. Administer intramuscular epinephrine immediately and transfer to intensive care
D. Slow the infusion rate so that each dose is delivered over at least 60 minutes, premedicating with an
antihistamine for future doses if symptoms recur *[CORRECT]*
Correct Answer: D
Rationale: The presentation is classic vancomycin infusion reaction (red man syndrome), a rate-dependent,
non-IgE-mediated histamine release that is managed by extending the infusion over at least 60 minutes and, if
needed, premedicating with diphenhydramine. It is not a true allergy, so permanent discontinuation or an allergy label
is inappropriate and would remove a key anti-MRSA agent. Epinephrine is reserved for true anaphylaxis with airway
compromise or profound hypotension, which is absent here.
Q5: Which pair of toxicities is the classic dose-limiting toxicity profile of the aminoglycosides?
A. Nephrotoxicity and ototoxicity *[CORRECT]*
B. Hepatotoxicity and pancreatitis
C. Hyperkalemia and metabolic acidosis
D. Pulmonary fibrosis and Raynaud phenomenon
Correct Answer: A
Rationale: Aminoglycosides such as gentamicin, tobramycin, and amikacin accumulate in proximal renal tubular
cells and in the cochlear and vestibular apparatus, producing nephrotoxicity and cochlear or vestibular ototoxicity that
may be irreversible. Risk rises with elevated trough concentrations, longer duration, older age, volume depletion, and
concurrent nephrotoxins such as vancomycin or contrast media. Advanced practice monitoring therefore includes
serial serum creatinine, urine output, and symptom screening for tinnitus, hearing loss, and ataxia.
Guide with Questions and Verified Answers 3
, NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q6: A 71-year-old man takes calcium carbonate with magnesium hydroxide for reflux and is prescribed oral
ciprofloxacin for a urinary tract infection. Which counseling point is most important to prevent treatment
failure?
A. Take the ciprofloxacin with a glass of milk so that dairy products protect the stomach lining
B. Separate ciprofloxacin from antacids and other cation-containing products by at least 2 hours before
or 6 hours after the antibiotic dose *[CORRECT]*
C. Crush the ciprofloxacin tablet and mix it directly into the antacid suspension for easier swallowing
D. Double the ciprofloxacin dose whenever it is taken with an antacid to overcome binding
Correct Answer: B
Rationale: Divalent and trivalent cations such as calcium, magnesium, aluminum, iron, and zinc chelate
fluoroquinolones in the gastrointestinal tract and can reduce bioavailability dramatically, so ciprofloxacin must be
separated from these products by at least 2 hours before or 6 hours after the dose. Co-administration with milk,
crushing with the antacid, or dose doubling do not reliably overcome chelation and invite failure or toxicity.
Counseling should also include the fluoroquinolone tendon rupture warning, which is amplified in older adults.
Q7: A 68-year-old man develops profuse watery diarrhea on day 5 of clindamycin therapy for a dental
infection. Stool testing is positive for C. difficile toxin, WBC is 15,000/mm3, creatinine is normal, and he is
hemodynamically stable. Which management is most appropriate?
A. Add oral loperamide to control the diarrhea while continuing clindamycin
B. Intravenous metronidazole as the preferred first-line agent
C. Discontinue the inciting antibiotic and start oral fidaxomicin or oral vancomycin *[CORRECT]*
D. Continue clindamycin but add an oral proton pump inhibitor for gastric protection
Correct Answer: C
Rationale: For an initial C. difficile episode, current IDSA and SHEA guidance prefers oral fidaxomicin or oral
vancomycin, with metronidazole relegated to a second-line alternative when preferred agents are unavailable, and
discontinuing the inciting antibiotic is part of initial management. Metronidazole also loses efficacy in severe disease.
Antimotility agents such as loperamide are contraindicated in active CDI because slowing colonic motility
precipitates toxic megacolon, and proton pump inhibition is a risk factor for recurrence rather than therapy.
Guide with Questions and Verified Answers 4
GRADUATE NURSING | ADVANCED PRACTICE EDUCATION
NSG533 / NSG 533 EXAM 3 (LATEST )
ADVANCED PHARMACOLOGY
Guide with Questions and Verified Answers | 100% Correct | Wilkes
100 Multiple-Choice Questions | Six Content Sections | Cognitive Mix: 20% Recall, 50% Application, 30% Analysis
Aligned with the Wilkes University NSG 533 Course Syllabus, the AACN Essentials of Master's Education in Nursing, and Advanced
Pharmacology Competencies (2026/2027 Edition)
Section 1: Anti-infective Pharmacology Questions 1-20
Q1: Which statement best describes the mechanism of action of the beta-lactam antibiotics?
A. They bind penicillin-binding proteins and inhibit transpeptidation of the peptidoglycan cell wall,
producing bactericidal lysis of actively dividing organisms *[CORRECT]*
B. They bind the 50S ribosomal subunit and block the translocation step of bacterial protein synthesis
C. They inhibit beta-1,3-D-glucan synthesis in the fungal cell wall, producing osmotic instability
D. They inhibit bacterial DNA gyrase and topoisomerase IV, preventing DNA replication and
transcription
Correct Answer: A
Rationale: Beta-lactams structurally mimic the D-alanyl-D-alanine terminus of peptidoglycan precursors and
covalently acylate penicillin-binding proteins (transpeptidases), halting cross-linking of the cell wall. Because the
effect requires active wall synthesis, beta-lactams are bactericidal only against dividing organisms. The 50S
ribosomal target describes macrolides and oxazolidinones, DNA gyrase and topoisomerase IV are the targets of
fluoroquinolones, and beta-glucan synthase inhibition defines the echinocandin antifungals.
Guide with Questions and Verified Answers 1
,NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q2: A 24-year-old woman with a documented history of anaphylaxis (urticaria and laryngeal edema) after
amoxicillin in childhood requires intravenous therapy for a complicated urinary tract infection. Which agent
is the most appropriate choice?
A. Piperacillin-tazobactam, because the beta-lactamase inhibitor reduces allergic potential
B. Aztreonam, because its monocyclic ring shares negligible cross-reactivity with other beta-lactam
classes *[CORRECT]*
C. Ceftriaxone, because third-generation cephalosporins never cross-react with penicillins
D. Amoxicillin-clavulanate, because clavulanate overcomes most resistance mechanisms
Correct Answer: B
Rationale: Aztreonam, a monobactam, has a structurally unique monocyclic beta-lactam ring and can be used safely
in patients with IgE-mediated penicillin allergy, with cross-reactivity limited to ceftazidime, which shares an identical
side chain. Cephalosporins and carbapenems carry a small but clinically significant cross-reactivity risk and are
avoided after true anaphylaxis. Beta-lactamase inhibitors such as clavulanate and tazobactam have no effect on
hypersensitivity, and re-exposure to amoxicillin-clavulanate is contraindicated.
Q3: A 58-year-old man with MRSA bacteremia from an infected central line has received intravenous
vancomycin for 3 days. Which monitoring plan best reflects current evidence-based practice for serious
MRSA infections?
A. Obtain a random peak concentration above 40 mg/L to confirm efficacy and monitor liver enzymes
weekly
B. Check serum creatinine once at the end of therapy, because vancomycin is not nephrotoxic when
dosed by weight
C. Target an AUC24/MIC of 400-600 mg.h/L, or a trough of 15-20 mg/L as a surrogate in bacteremia,
and monitor serum creatinine at least every 48 to 72 hours *[CORRECT]*
D. Maintain a trough of 5-10 mg/L, because higher concentrations increase ototoxicity without
improving outcomes
Correct Answer: C
Rationale: For serious MRSA infections such as bacteremia and endocarditis, current guidelines support
AUC-guided dosing targeting 400-600 mg.h/L, with a 15-20 mg/L trough accepted as the surrogate when AUC
methods are unavailable. Troughs of 5-10 mg/L risk subtherapeutic exposure for deep infections. Vancomycin is a
recognized nephrotoxin, so serial serum creatinine measurement at least every 48 to 72 hours is standard advanced
practice monitoring.
Guide with Questions and Verified Answers 2
,NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q4: During the second dose of intravenous vancomycin, a hospitalized patient develops diffuse flushing of
the face, neck, and upper chest with mild hypotension, but no wheals, wheezing, or airway symptoms. Which
action is most appropriate?
A. Switch permanently to daptomycin, because this reaction represents a true hypersensitivity that will
progress to anaphylaxis
B. Discontinue vancomycin permanently and document a severe vancomycin allergy in the medical
record
C. Administer intramuscular epinephrine immediately and transfer to intensive care
D. Slow the infusion rate so that each dose is delivered over at least 60 minutes, premedicating with an
antihistamine for future doses if symptoms recur *[CORRECT]*
Correct Answer: D
Rationale: The presentation is classic vancomycin infusion reaction (red man syndrome), a rate-dependent,
non-IgE-mediated histamine release that is managed by extending the infusion over at least 60 minutes and, if
needed, premedicating with diphenhydramine. It is not a true allergy, so permanent discontinuation or an allergy label
is inappropriate and would remove a key anti-MRSA agent. Epinephrine is reserved for true anaphylaxis with airway
compromise or profound hypotension, which is absent here.
Q5: Which pair of toxicities is the classic dose-limiting toxicity profile of the aminoglycosides?
A. Nephrotoxicity and ototoxicity *[CORRECT]*
B. Hepatotoxicity and pancreatitis
C. Hyperkalemia and metabolic acidosis
D. Pulmonary fibrosis and Raynaud phenomenon
Correct Answer: A
Rationale: Aminoglycosides such as gentamicin, tobramycin, and amikacin accumulate in proximal renal tubular
cells and in the cochlear and vestibular apparatus, producing nephrotoxicity and cochlear or vestibular ototoxicity that
may be irreversible. Risk rises with elevated trough concentrations, longer duration, older age, volume depletion, and
concurrent nephrotoxins such as vancomycin or contrast media. Advanced practice monitoring therefore includes
serial serum creatinine, urine output, and symptom screening for tinnitus, hearing loss, and ataxia.
Guide with Questions and Verified Answers 3
, NSG 533 Advanced Pharmacology | Exam 3 Comprehensive Guide (2026/2027) Wilkes University
Q6: A 71-year-old man takes calcium carbonate with magnesium hydroxide for reflux and is prescribed oral
ciprofloxacin for a urinary tract infection. Which counseling point is most important to prevent treatment
failure?
A. Take the ciprofloxacin with a glass of milk so that dairy products protect the stomach lining
B. Separate ciprofloxacin from antacids and other cation-containing products by at least 2 hours before
or 6 hours after the antibiotic dose *[CORRECT]*
C. Crush the ciprofloxacin tablet and mix it directly into the antacid suspension for easier swallowing
D. Double the ciprofloxacin dose whenever it is taken with an antacid to overcome binding
Correct Answer: B
Rationale: Divalent and trivalent cations such as calcium, magnesium, aluminum, iron, and zinc chelate
fluoroquinolones in the gastrointestinal tract and can reduce bioavailability dramatically, so ciprofloxacin must be
separated from these products by at least 2 hours before or 6 hours after the dose. Co-administration with milk,
crushing with the antacid, or dose doubling do not reliably overcome chelation and invite failure or toxicity.
Counseling should also include the fluoroquinolone tendon rupture warning, which is amplified in older adults.
Q7: A 68-year-old man develops profuse watery diarrhea on day 5 of clindamycin therapy for a dental
infection. Stool testing is positive for C. difficile toxin, WBC is 15,000/mm3, creatinine is normal, and he is
hemodynamically stable. Which management is most appropriate?
A. Add oral loperamide to control the diarrhea while continuing clindamycin
B. Intravenous metronidazole as the preferred first-line agent
C. Discontinue the inciting antibiotic and start oral fidaxomicin or oral vancomycin *[CORRECT]*
D. Continue clindamycin but add an oral proton pump inhibitor for gastric protection
Correct Answer: C
Rationale: For an initial C. difficile episode, current IDSA and SHEA guidance prefers oral fidaxomicin or oral
vancomycin, with metronidazole relegated to a second-line alternative when preferred agents are unavailable, and
discontinuing the inciting antibiotic is part of initial management. Metronidazole also loses efficacy in severe disease.
Antimotility agents such as loperamide are contraindicated in active CDI because slowing colonic motility
precipitates toxic megacolon, and proton pump inhibition is a risk factor for recurrence rather than therapy.
Guide with Questions and Verified Answers 4
