NR 567 Final Exam V2 NR 567 Final Exam
V2 NR 567 Final Exam V2 NR 567 Final
Exam V2
1. An AGACNP is managing a 72-year-old patient with acute kidney injury (AKI). Which of the
following antimicrobial agents require significant dose adjustment or modification in the
presence of reduced renal function? Select all that apply.
A. Vancomycin
B. Piperacillin/Tazobactam
C. Cefepime
D. Levofloxacin
E. Azithromycin
F. Gentamicin
Correct Answer: A, B, C, D, F
Renal impairment significantly impacts the clearance of beta-lactams, glycopeptides, and
aminoglycosides, necessitating careful dose titration based on calculated creatinine
clearance. Azithromycin is primarily eliminated via the hepatic/biliary route and does not
require adjustment for renal failure. Failure to adjust doses for the other listed agents
increases the risk of neurotoxicity, nephrotoxicity, and ototoxicity in the acute care setting.
,2. A patient is receiving an intravenous infusion of Heparin for a pulmonary embolism. If the
patient develops Heparin-Induced Thrombocytopenia (HIT) Type II, which medication should
be initiated immediately?
A. Warfarin
B. Enoxaparin
C. Protamine Sulfate
D. Argatroban
Correct Answer: D
Argatroban is a direct thrombin inhibitor and is the standard of care for patients
diagnosed with HIT Type II to provide anticoagulation without further platelet activation.
Warfarin is contraindicated during the acute phase of HIT as it can lead to venous limb
gangrene and skin necrosis. Enoxaparin is a low-molecular-weight heparin and will cross-
react with HIT antibodies, making it unsafe for these patients.
3. Which of the following is considered the primary mechanism of action for the class of
medications known as ACE inhibitors in the management of heart failure?
A. Directly blocking the AT1 receptor to prevent vasoconstriction.
B. Inhibition of the conversion of Angiotensin I to Angiotensin II.
C. Increasing the breakdown of bradykinin to reduce inflammatory responses.
D. Decreasing the sensitivity of the baroreceptor reflex.
,Correct Answer: B
ACE inhibitors function by inhibiting the angiotensin-converting enzyme, which prevents
the production of the potent vasoconstrictor Angiotensin II. This process also leads to
decreased aldosterone secretion, which helps reduce sodium and water retention in heart
failure patients. Additionally, these drugs decrease the degradation of bradykinin, which
contributes to vasodilation but may also cause the characteristic dry cough.
4. The AGACNP is preparing to initiate Amiodarone for a patient with refractory ventricular
tachycardia. Which baseline diagnostic tests must be obtained due to the potential long-term
toxicities of this drug? Select all that apply.
A. Thyroid Stimulating Hormone (TSH)
B. Liver Function Tests (LFTs)
C. Chest X-ray (CXR)
D. Serum Creatinine
E. Pulmonary Function Tests (PFTs)
Correct Answer: A, B, C, E
Amiodarone is associated with significant organ toxicities including pulmonary fibrosis,
thyroid dysfunction, and hepatotoxicity. Baseline TSH, LFTs, and pulmonary assessments
are critical to identify pre-existing conditions and provide a comparison for future
monitoring. Renal function is generally not the primary site of amiodarone-related toxicity,
though it is often monitored as part of general critical care.
, 5. When monitoring a patient on Vancomycin, what is currently the preferred method for
ensuring therapeutic efficacy and minimizing nephrotoxicity according to the latest clinical
guidelines?
A. Trough levels between 10-15 mcg/mL.
B. Area Under the Curve (AUC/MIC) ratio of 400-600.
C. Peak levels between 20-40 mcg/mL.
D. Random levels every 12 hours.
Correct Answer: B
Contemporary guidelines emphasize AUC/MIC monitoring over trough-only monitoring to
better predict clinical outcomes and reduce the incidence of acute kidney injury. A ratio of
400 to 600 is the target range for treating serious infections like MRSA. While troughs were
used historically, they are now considered less precise for capturing the pharmacodynamic
profile of vancomycin.
6. A patient presents with a suspected Digoxin toxicity. Which of the following electrolyte
abnormalities would most likely predispose this patient to Digoxin-induced arrhythmias?
A. Hyperkalemia
B. Hypokalemia
C. Hyponatremia
D. Hypocalcemia
V2 NR 567 Final Exam V2 NR 567 Final
Exam V2
1. An AGACNP is managing a 72-year-old patient with acute kidney injury (AKI). Which of the
following antimicrobial agents require significant dose adjustment or modification in the
presence of reduced renal function? Select all that apply.
A. Vancomycin
B. Piperacillin/Tazobactam
C. Cefepime
D. Levofloxacin
E. Azithromycin
F. Gentamicin
Correct Answer: A, B, C, D, F
Renal impairment significantly impacts the clearance of beta-lactams, glycopeptides, and
aminoglycosides, necessitating careful dose titration based on calculated creatinine
clearance. Azithromycin is primarily eliminated via the hepatic/biliary route and does not
require adjustment for renal failure. Failure to adjust doses for the other listed agents
increases the risk of neurotoxicity, nephrotoxicity, and ototoxicity in the acute care setting.
,2. A patient is receiving an intravenous infusion of Heparin for a pulmonary embolism. If the
patient develops Heparin-Induced Thrombocytopenia (HIT) Type II, which medication should
be initiated immediately?
A. Warfarin
B. Enoxaparin
C. Protamine Sulfate
D. Argatroban
Correct Answer: D
Argatroban is a direct thrombin inhibitor and is the standard of care for patients
diagnosed with HIT Type II to provide anticoagulation without further platelet activation.
Warfarin is contraindicated during the acute phase of HIT as it can lead to venous limb
gangrene and skin necrosis. Enoxaparin is a low-molecular-weight heparin and will cross-
react with HIT antibodies, making it unsafe for these patients.
3. Which of the following is considered the primary mechanism of action for the class of
medications known as ACE inhibitors in the management of heart failure?
A. Directly blocking the AT1 receptor to prevent vasoconstriction.
B. Inhibition of the conversion of Angiotensin I to Angiotensin II.
C. Increasing the breakdown of bradykinin to reduce inflammatory responses.
D. Decreasing the sensitivity of the baroreceptor reflex.
,Correct Answer: B
ACE inhibitors function by inhibiting the angiotensin-converting enzyme, which prevents
the production of the potent vasoconstrictor Angiotensin II. This process also leads to
decreased aldosterone secretion, which helps reduce sodium and water retention in heart
failure patients. Additionally, these drugs decrease the degradation of bradykinin, which
contributes to vasodilation but may also cause the characteristic dry cough.
4. The AGACNP is preparing to initiate Amiodarone for a patient with refractory ventricular
tachycardia. Which baseline diagnostic tests must be obtained due to the potential long-term
toxicities of this drug? Select all that apply.
A. Thyroid Stimulating Hormone (TSH)
B. Liver Function Tests (LFTs)
C. Chest X-ray (CXR)
D. Serum Creatinine
E. Pulmonary Function Tests (PFTs)
Correct Answer: A, B, C, E
Amiodarone is associated with significant organ toxicities including pulmonary fibrosis,
thyroid dysfunction, and hepatotoxicity. Baseline TSH, LFTs, and pulmonary assessments
are critical to identify pre-existing conditions and provide a comparison for future
monitoring. Renal function is generally not the primary site of amiodarone-related toxicity,
though it is often monitored as part of general critical care.
, 5. When monitoring a patient on Vancomycin, what is currently the preferred method for
ensuring therapeutic efficacy and minimizing nephrotoxicity according to the latest clinical
guidelines?
A. Trough levels between 10-15 mcg/mL.
B. Area Under the Curve (AUC/MIC) ratio of 400-600.
C. Peak levels between 20-40 mcg/mL.
D. Random levels every 12 hours.
Correct Answer: B
Contemporary guidelines emphasize AUC/MIC monitoring over trough-only monitoring to
better predict clinical outcomes and reduce the incidence of acute kidney injury. A ratio of
400 to 600 is the target range for treating serious infections like MRSA. While troughs were
used historically, they are now considered less precise for capturing the pharmacodynamic
profile of vancomycin.
6. A patient presents with a suspected Digoxin toxicity. Which of the following electrolyte
abnormalities would most likely predispose this patient to Digoxin-induced arrhythmias?
A. Hyperkalemia
B. Hypokalemia
C. Hyponatremia
D. Hypocalcemia
