NU 185
Medical-Surgical Nursing II Exam 3 Preparation
Exam 3 • Practice Questions & Rationales
UPDATE
Actual Questions & Verified Answers
with Detailed Clinical Rationales
Practice Questions with Rationales
Galen College of Nursing
NU 185
✓ 100% Verified Answers
✓ Complete Rationales Included
Exam (elaborations)
Instant PDF Download • Ready for Study
,NU 185 Medical-Surgical Nursing II Exam 3 Preparation 2026/2027 UPDATE – Galen
1. A patient with Acute Kidney Injury (AKI) has a serum potassium level of 6.8 mEq/L. Which
of the following electrocardiogram (ECG) changes should the nurse anticipate?
A. Prominent U waves
B. Shortened PR interval
C. ST-segment depression
D. Tall, peaked T waves
Answer: D
Rationale: Hyperkalemia (potassium > 5.0 mEq/L) typically manifests on an ECG as tall,
peaked T waves, widened QRS complexes, and prolonged PR intervals.
2. Which assessment finding in a patient receiving peritoneal dialysis (PD) most strongly
suggests the development of peritonitis?
A. Clear, straw-colored effluent
B. Cloudy or opaque dialysate drainage
C. Pain during the inflow phase
D. Occasional constipation
Answer: B
, Rationale: Cloudy or opaque effluent is the earliest sign of peritonitis in PD patients, often
accompanied by rebound tenderness and fever.
3. A client is in the emergent phase of a 40% total body surface area (TBSA) burn. Which acid-
base imbalance is most likely to occur?
A. Respiratory Alkalosis
B. Metabolic Acidosis
C. Metabolic Alkalosis
D. Respiratory Acidosis
Answer: B
Rationale: In the emergent burn phase, metabolic acidosis occurs due to the loss of
bicarbonate and the buildup of lactic acid from tissue hypoxia.
4. A nurse is caring for a patient with Septic Shock. The patient’s mean arterial pressure
(MAP) is 55 mmHg despite fluid resuscitation. Which class of medication should the nurse
anticipate administering next?
A. Loop Diuretics
B. Vasopressors
C. Beta-Blockers
D. Calcium Channel Blockers
Answer: B
Medical-Surgical Nursing II Exam 3 Preparation
Exam 3 • Practice Questions & Rationales
UPDATE
Actual Questions & Verified Answers
with Detailed Clinical Rationales
Practice Questions with Rationales
Galen College of Nursing
NU 185
✓ 100% Verified Answers
✓ Complete Rationales Included
Exam (elaborations)
Instant PDF Download • Ready for Study
,NU 185 Medical-Surgical Nursing II Exam 3 Preparation 2026/2027 UPDATE – Galen
1. A patient with Acute Kidney Injury (AKI) has a serum potassium level of 6.8 mEq/L. Which
of the following electrocardiogram (ECG) changes should the nurse anticipate?
A. Prominent U waves
B. Shortened PR interval
C. ST-segment depression
D. Tall, peaked T waves
Answer: D
Rationale: Hyperkalemia (potassium > 5.0 mEq/L) typically manifests on an ECG as tall,
peaked T waves, widened QRS complexes, and prolonged PR intervals.
2. Which assessment finding in a patient receiving peritoneal dialysis (PD) most strongly
suggests the development of peritonitis?
A. Clear, straw-colored effluent
B. Cloudy or opaque dialysate drainage
C. Pain during the inflow phase
D. Occasional constipation
Answer: B
, Rationale: Cloudy or opaque effluent is the earliest sign of peritonitis in PD patients, often
accompanied by rebound tenderness and fever.
3. A client is in the emergent phase of a 40% total body surface area (TBSA) burn. Which acid-
base imbalance is most likely to occur?
A. Respiratory Alkalosis
B. Metabolic Acidosis
C. Metabolic Alkalosis
D. Respiratory Acidosis
Answer: B
Rationale: In the emergent burn phase, metabolic acidosis occurs due to the loss of
bicarbonate and the buildup of lactic acid from tissue hypoxia.
4. A nurse is caring for a patient with Septic Shock. The patient’s mean arterial pressure
(MAP) is 55 mmHg despite fluid resuscitation. Which class of medication should the nurse
anticipate administering next?
A. Loop Diuretics
B. Vasopressors
C. Beta-Blockers
D. Calcium Channel Blockers
Answer: B
