nu641-exam-pack-verified-tests-en-answers
NU 641 Exam Actual
Questions And Correct
Detailed Answers
2026/2027 Edition
Distrbution of this documentisillegel
,1. A nurse is caring for a client prescribed lisinopril.Which lab result
should the nurse report to the provider?
A.Sodium 138 mEq/L
B.Potassium 5.8 mEq/L
C.Hemoglobin 14 g/dL
D.BUN 18 mg/dL
Answer:B
Rationale: Lisinopril, an ACE inhibitor, can cause hyperkalemia.A potassium
level of 5.8 is elevated and should be reported.
2. A nurse gives regular insulin subcutaneously at 0700. At what time
should the nurse monitor for signs of hypoglycemia?
A.0715
B.0800
C.0930
D.1200
Answer:C
Rationale: Regular insulin peaks in 2-4 hours.Hypoglycemia is most likely
around 0930-1100.
3. A client taking isoniazid (INH) for tuberculosis develops numbness and
tingling in their hands and feet. What should the nurse anticipate?
A.The need for increased calcium
B.Administration of pyridoxine (vitamin B6)
C.Discontinuation of therapy
D.Addition of prednisone
Answer:B
Rationale: Isoniazid can cause peripheral neuropathy, often
prevented or treated with vitamin B6.
, 4. A client started on fluoxetine 5 days ago reports increased energy
and planning their funeral. What should the nurse do?
A.Encourage journaling
B.Monitor sleep
C. Notify the provider immediately
D.Provide distraction techniques
Answer:C
Rationale: Increased energy + suicidlal ideation early in SSRI therapy
is dangerous and should be reported.
5. A nurse is administering digoxin to a client. Which finding requires
immediate action?
A.HR 62 bpm
B.Blurred vision with yellow halos
C.BP 140/88mmHg
D.Urine output 400 mL in 8 hours
Answer:B
Rationale: Visual disturbances and halos are signs of digoxin
toxicity,especially when paired with bradycardia.
6. A client on sertraline reports increased restlessness and
confusion. What should the nurse suspect?
A.Extrapyramidal symptoms
B.Lithium toxicity
C.Serotonin syndrome
D. Neuroleptic malignant syndrome
Answer:C
Rationale: Serotonin syndrome includes
agitation,confusion,tachycardia,and hyperreflexia.
7.A nurse teaches a client taking cyclobenzaprine. Which
statement indicates understanding?
A."I will take this long-term.”
NU 641 Exam Actual
Questions And Correct
Detailed Answers
2026/2027 Edition
Distrbution of this documentisillegel
,1. A nurse is caring for a client prescribed lisinopril.Which lab result
should the nurse report to the provider?
A.Sodium 138 mEq/L
B.Potassium 5.8 mEq/L
C.Hemoglobin 14 g/dL
D.BUN 18 mg/dL
Answer:B
Rationale: Lisinopril, an ACE inhibitor, can cause hyperkalemia.A potassium
level of 5.8 is elevated and should be reported.
2. A nurse gives regular insulin subcutaneously at 0700. At what time
should the nurse monitor for signs of hypoglycemia?
A.0715
B.0800
C.0930
D.1200
Answer:C
Rationale: Regular insulin peaks in 2-4 hours.Hypoglycemia is most likely
around 0930-1100.
3. A client taking isoniazid (INH) for tuberculosis develops numbness and
tingling in their hands and feet. What should the nurse anticipate?
A.The need for increased calcium
B.Administration of pyridoxine (vitamin B6)
C.Discontinuation of therapy
D.Addition of prednisone
Answer:B
Rationale: Isoniazid can cause peripheral neuropathy, often
prevented or treated with vitamin B6.
, 4. A client started on fluoxetine 5 days ago reports increased energy
and planning their funeral. What should the nurse do?
A.Encourage journaling
B.Monitor sleep
C. Notify the provider immediately
D.Provide distraction techniques
Answer:C
Rationale: Increased energy + suicidlal ideation early in SSRI therapy
is dangerous and should be reported.
5. A nurse is administering digoxin to a client. Which finding requires
immediate action?
A.HR 62 bpm
B.Blurred vision with yellow halos
C.BP 140/88mmHg
D.Urine output 400 mL in 8 hours
Answer:B
Rationale: Visual disturbances and halos are signs of digoxin
toxicity,especially when paired with bradycardia.
6. A client on sertraline reports increased restlessness and
confusion. What should the nurse suspect?
A.Extrapyramidal symptoms
B.Lithium toxicity
C.Serotonin syndrome
D. Neuroleptic malignant syndrome
Answer:C
Rationale: Serotonin syndrome includes
agitation,confusion,tachycardia,and hyperreflexia.
7.A nurse teaches a client taking cyclobenzaprine. Which
statement indicates understanding?
A."I will take this long-term.”
