LEWIS MEDICAL-SURGICAL NURSING–STYLE
PRACTICE. EXAM LATEST 2026 UPDATE 100
QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
QUESTIONS 1–50
1.
A client with heart failure is prescribed furosemide. Which laboratory value should
the nurse monitor most closely?
A. Sodium
B. Potassium
C. Calcium
D. Glucose
Answer: B. POTASSIUM
Rationale: Loop diuretics like furosemide cause potassium loss, increasing risk of
dysrhythmias.
2.
Which finding is the earliest sign of hypoxia?
A. Cyanosis
B. Bradycardia
C. Restlessness
D. Hypotension
Answer: C. RESTLESSNESS
Rationale: Restlessness and anxiety occur before late signs like cyanosis.
,3.
A client with COPD should receive which oxygen delivery device initially?
A. Non-rebreather mask
B. Nasal cannula
C. Venturi mask
D. Simple mask
Answer: C. VENTURI MASK
Rationale: Venturi mask delivers controlled oxygen concentration for COPD
patients.
4.
Which position best improves breathing in a client with dyspnea?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Lithotomy
Answer: C. HIGH FOWLER’S
Rationale: Upright position maximizes lung expansion.
5.
A postoperative client suddenly develops chest pain and dyspnea. The nurse
suspects:
A. Atelectasis
B. Pulmonary embolism
C. Pneumonia
D. Asthma attack
Answer: B. PULMONARY EMBOLISM
Rationale: Sudden chest pain and dyspnea suggest PE.
,6.
Which intervention helps prevent atelectasis after surgery?
A. Bed rest
B. Incentive spirometry
C. Restrict fluids
D. High-fat diet
Answer: B. INCENTIVE SPIROMETRY
Rationale: Promotes lung expansion and prevents collapse.
7.
Which symptom is most indicative of left-sided heart failure?
A. Peripheral edema
B. Jugular vein distention
C. Crackles in lungs
D. Hepatomegaly
Answer: C. CRACKLES IN LUNGS
Rationale: Left-sided failure causes pulmonary congestion.
8.
A client with myocardial infarction should be monitored for:
A. Hyperglycemia
B. Dysrhythmias
C. Hypertension only
D. Hypothermia
Answer: B. DYSRHYTHMIAS
Rationale: MI increases risk of lethal arrhythmias.
9.
, Which medication is first-line for acute chest pain in MI?
A. Morphine
B. Ibuprofen
C. Acetaminophen
D. Diazepam
Answer: A. MORPHINE
Rationale: Morphine relieves pain and reduces oxygen demand.
10.
Which lab value indicates renal failure?
A. Increased GFR
B. Decreased creatinine clearance
C. Low BUN
D. High hemoglobin
Answer: B. DECREASED CREATININE CLEARANCE
Rationale: Reduced clearance indicates impaired kidney function.
11.
Which sign is most consistent with fluid overload?
A. Dry mucous membranes
B. Hypotension
C. Crackles in lungs
D. Weight loss
Answer: C. CRACKLES IN LUNGS
Rationale: Fluid overload causes pulmonary congestion.
12.
A client with diabetes has fruity breath odor. The nurse suspects:
A. Hypoglycemia
PRACTICE. EXAM LATEST 2026 UPDATE 100
QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
QUESTIONS 1–50
1.
A client with heart failure is prescribed furosemide. Which laboratory value should
the nurse monitor most closely?
A. Sodium
B. Potassium
C. Calcium
D. Glucose
Answer: B. POTASSIUM
Rationale: Loop diuretics like furosemide cause potassium loss, increasing risk of
dysrhythmias.
2.
Which finding is the earliest sign of hypoxia?
A. Cyanosis
B. Bradycardia
C. Restlessness
D. Hypotension
Answer: C. RESTLESSNESS
Rationale: Restlessness and anxiety occur before late signs like cyanosis.
,3.
A client with COPD should receive which oxygen delivery device initially?
A. Non-rebreather mask
B. Nasal cannula
C. Venturi mask
D. Simple mask
Answer: C. VENTURI MASK
Rationale: Venturi mask delivers controlled oxygen concentration for COPD
patients.
4.
Which position best improves breathing in a client with dyspnea?
A. Supine
B. Trendelenburg
C. High Fowler’s
D. Lithotomy
Answer: C. HIGH FOWLER’S
Rationale: Upright position maximizes lung expansion.
5.
A postoperative client suddenly develops chest pain and dyspnea. The nurse
suspects:
A. Atelectasis
B. Pulmonary embolism
C. Pneumonia
D. Asthma attack
Answer: B. PULMONARY EMBOLISM
Rationale: Sudden chest pain and dyspnea suggest PE.
,6.
Which intervention helps prevent atelectasis after surgery?
A. Bed rest
B. Incentive spirometry
C. Restrict fluids
D. High-fat diet
Answer: B. INCENTIVE SPIROMETRY
Rationale: Promotes lung expansion and prevents collapse.
7.
Which symptom is most indicative of left-sided heart failure?
A. Peripheral edema
B. Jugular vein distention
C. Crackles in lungs
D. Hepatomegaly
Answer: C. CRACKLES IN LUNGS
Rationale: Left-sided failure causes pulmonary congestion.
8.
A client with myocardial infarction should be monitored for:
A. Hyperglycemia
B. Dysrhythmias
C. Hypertension only
D. Hypothermia
Answer: B. DYSRHYTHMIAS
Rationale: MI increases risk of lethal arrhythmias.
9.
, Which medication is first-line for acute chest pain in MI?
A. Morphine
B. Ibuprofen
C. Acetaminophen
D. Diazepam
Answer: A. MORPHINE
Rationale: Morphine relieves pain and reduces oxygen demand.
10.
Which lab value indicates renal failure?
A. Increased GFR
B. Decreased creatinine clearance
C. Low BUN
D. High hemoglobin
Answer: B. DECREASED CREATININE CLEARANCE
Rationale: Reduced clearance indicates impaired kidney function.
11.
Which sign is most consistent with fluid overload?
A. Dry mucous membranes
B. Hypotension
C. Crackles in lungs
D. Weight loss
Answer: C. CRACKLES IN LUNGS
Rationale: Fluid overload causes pulmonary congestion.
12.
A client with diabetes has fruity breath odor. The nurse suspects:
A. Hypoglycemia
