RN ADULT MEDICAL-SURGICAL NURSING
Content Mastery Series Ed 12.0 — 2026/2027
100 Verified Questions with Verified Solutions
Based on ATI CMS Blueprint, NGN Standards & Clinical Guidelines
,Key Features
✓ Comprehensive adult medical-surgical nursing across all major body systems
✓ Next Generation NCLEX (NGN) Clinical Judgment Measurement Model application
✓ Advanced pharmacological interventions and safe medication administration
✓ Complex patient care management and prioritization
✓ Evidence-based patient education and discharge planning
Updates for 2026
1. Full integration of the NCSBN Clinical Judgment Measurement Model (CJMM) in all ATI Ed 12.0 case
studies, requiring six-step cognitive reasoning (recognize cues, analyze cues, prioritize hypotheses, generate
solutions, take actions, evaluate outcomes) for each clinical scenario.
2. Updated 2026 National Patient Safety Goals (NPSGs) for high-alert medications and fall prevention,
incorporating revised The Joint Commission standards for anticoagulant therapy safety, insulin
management protocols, and enhanced fall risk assessment tools.
3. Revised ATI clinical reasoning frameworks for managing complex, multi-system adult patient scenarios,
including updated sepsis bundles, revised heart failure classification (AHA/ACC 2026 guidelines), and
enhanced opioid stewardship protocols.
Abstract
This document presents a comprehensive 100-question actual examination for the RN Adult Medical-
Surgical Nursing: Content Mastery Series Edition 12.0, fully aligned with the 2026/2027 ATI Nursing
Education curriculum, Next Generation NCLEX (NGN) clinical judgment standards, and current evidence-
based clinical nursing guidelines. Each question has been carefully crafted to reflect the content, format,
and clinical reasoning complexity of the official ATI Content Mastery Series examination, covering five
major content domains: Cardiovascular and Respiratory Disorders; Neurological and Musculoskeletal
Conditions; Gastrointestinal and Renal/Urinary Disorders; Endocrine and Hematology Disorders; and
Integrated Clinical Concepts and NGN Case Studies. Every question includes a verified correct answer
highlighted in bold LimeGreen, a detailed rationale explaining the clinical reasoning behind the correct
choice presented in italicized Deep Teal, an analysis of why each distractor is incorrect, and a specific
reference to the applicable 2026 ATI Adult Medical-Surgical Nursing textbook chapter (Ed 12.0), NGN case
study format, or clinical guideline. The document incorporates the NCSBN Clinical Judgment Measurement
Model, updated National Patient Safety Goals, and revised ATI clinical reasoning frameworks to ensure
alignment with current professional nursing standards and NCLEX readiness.
Keywords
ATI, Adult Medical-Surgical Nursing, Content Mastery Series, CMS, NGN, Clinical Judgment, Med-Surg,
Pharmacology, Patient Safety, NCLEX Readiness
Answer Format
Correct answers appear in bold. Each question includes a rationale in italicized explaining why the correct
answer is right. A “Why Wrong” section follows each rationale, explaining why each distractor (incorrect
option) is not the correct choice. References cite specific 2026 ATI Adult Medical-Surgical Nursing textbook
chapters (Ed 12.0), NGN case study formats, or clinical guidelines to support the verified answer and rationale.
,Content Area Overview
Content Area Questions Key Topics Weight
Cardiovascular & 25 Heart failure, DVT, MI, 25%
Respiratory Disorders COPD, asthma, PE, ARDS,
chest tubes
Neurological & 20 Stroke, ICP, seizures, 20%
Musculoskeletal spinal cord injury,
Conditions fractures, MS, Parkinson's
Gastrointestinal & 20 Cirrhosis, pancreatitis, 20%
Renal/Urinary Disorders CKD, AKI, UTI, ostomy
care, hepatitis
Endocrine & Hematology 15 DKA, thyroid disorders, 15%
Disorders Addison's, Cushing's,
anemia, coagulopathy
Integrated Clinical 20 Prioritization, delegation, 20%
Concepts & NGN Case safety, transfusion,
Studies perioperative, oncology
TOTAL 100 — 100%
Examination Questions
Domain: Cardiovascular & Respiratory Disorders
1. A nurse is caring for a client who has heart failure and is receiving furosemide. Which of the
following findings should the nurse identify as an adverse effect of this medication?
A. Blood pressure 118/76 mm Hg
B. Serum potassium 3.1 mEq/L
C. Weight gain of 0.5 kg in 24 hr
D. Serum sodium 140 mEq/L
Correct Answer: B. Serum potassium 3.1 mEq/L
Rationale: Furosemide is a loop diuretic that acts on the ascending loop of Henle to inhibit sodium and
chloride reabsorption, leading to increased excretion of potassium along with water. Hypokalemia (serum
potassium below 3.5 mEq/L) is a common and potentially dangerous adverse effect that can cause
dysrhythmias, muscle weakness, and cardiac arrest if left untreated.
Why Wrong: A is a normal blood pressure reading, not an adverse effect. C indicates fluid retention rather
than the expected diuretic effect of furosemide, which should cause weight loss. D is a normal serum sodium
level.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Furosemide
Pharmacology.
2. A nurse is assessing a client who has a deep vein thrombosis (DVT) in the left leg. Which of the
following findings should the nurse expect?
A. Pallor in the affected limb
B. Cool temperature of the affected limb
C. Unilateral swelling of the affected limb
D. Diminished pulses in the affected limb
Correct Answer: C. Unilateral swelling of the affected limb
, Rationale: Deep vein thrombosis typically presents with unilateral swelling, warmth, erythema, and tenderness
in the affected extremity due to venous obstruction and inflammation. The swelling is caused by impaired
venous return and increased hydrostatic pressure distal to the thrombus.
Why Wrong: A is incorrect because the affected limb is typically erythematous (red), not pale. B is incorrect
because the affected limb is typically warm due to inflammation, not cool. D is incorrect because pulses are
typically present in DVT since arterial flow is not obstructed.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Venous
Thromboembolism.
3. A nurse is teaching a client who has a new prescription for warfarin. Which of the following
statements by the client indicates an understanding of the teaching?
A. I will increase my intake of green leafy vegetables.
B. I will take ibuprofen for headaches.
C. I will use an electric razor for shaving.
D. I will skip my dose if my INR is too low.
Correct Answer: C. I will use an electric razor for shaving.
Rationale: Warfarin is an anticoagulant that increases the risk of bleeding. Clients should be advised to use an
electric razor instead of a blade razor to minimize the risk of cuts and prolonged bleeding. Bleeding
precautions are essential for all clients on anticoagulant therapy.
Why Wrong: A is incorrect because consistent vitamin K intake is required; increasing green leafy vegetables
can antagonize warfarin's effect. B is incorrect because ibuprofen is an NSAID that increases bleeding risk
when combined with warfarin. D is incorrect because dose adjustments should only be made by the provider.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Anticoagulant
Therapy.
4. A nurse is caring for a client who is experiencing acute myocardial infarction (MI). Which of the
following actions should the nurse take first?
A. Administer morphine sulfate IV
B. Obtain a 12-lead ECG
C. Administer oxygen via nasal cannula
D. Initiate IV access
Correct Answer: C. Administer oxygen via nasal cannula
Rationale: Using the ABC priority framework, airway and oxygenation take precedence. If the client is
experiencing an acute MI and has decreased oxygenation, administering oxygen is the first priority to improve
myocardial oxygen supply and reduce ischemia. The standard approach for acute MI follows the MONA
protocol (Morphine, Oxygen, Nitrates, Aspirin), with oxygen administration as an immediate intervention.
Why Wrong: A, B, and D are important interventions but come after ensuring adequate oxygenation.
Morphine is administered for pain and anxiety after oxygen. ECG is obtained concurrently but oxygen takes
priority if the client is hypoxic.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 22: Cardiovascular Disorders; Acute Coronary
Syndrome.
5. A nurse is monitoring a client who is receiving a continuous heparin infusion. The client's aPTT
is 95 seconds. Which of the following actions should the nurse take?
A. Increase the infusion rate
B. Continue the infusion as prescribed
C. Stop the infusion
D. Administer vitamin K
Correct Answer: C. Stop the infusion
Content Mastery Series Ed 12.0 — 2026/2027
100 Verified Questions with Verified Solutions
Based on ATI CMS Blueprint, NGN Standards & Clinical Guidelines
,Key Features
✓ Comprehensive adult medical-surgical nursing across all major body systems
✓ Next Generation NCLEX (NGN) Clinical Judgment Measurement Model application
✓ Advanced pharmacological interventions and safe medication administration
✓ Complex patient care management and prioritization
✓ Evidence-based patient education and discharge planning
Updates for 2026
1. Full integration of the NCSBN Clinical Judgment Measurement Model (CJMM) in all ATI Ed 12.0 case
studies, requiring six-step cognitive reasoning (recognize cues, analyze cues, prioritize hypotheses, generate
solutions, take actions, evaluate outcomes) for each clinical scenario.
2. Updated 2026 National Patient Safety Goals (NPSGs) for high-alert medications and fall prevention,
incorporating revised The Joint Commission standards for anticoagulant therapy safety, insulin
management protocols, and enhanced fall risk assessment tools.
3. Revised ATI clinical reasoning frameworks for managing complex, multi-system adult patient scenarios,
including updated sepsis bundles, revised heart failure classification (AHA/ACC 2026 guidelines), and
enhanced opioid stewardship protocols.
Abstract
This document presents a comprehensive 100-question actual examination for the RN Adult Medical-
Surgical Nursing: Content Mastery Series Edition 12.0, fully aligned with the 2026/2027 ATI Nursing
Education curriculum, Next Generation NCLEX (NGN) clinical judgment standards, and current evidence-
based clinical nursing guidelines. Each question has been carefully crafted to reflect the content, format,
and clinical reasoning complexity of the official ATI Content Mastery Series examination, covering five
major content domains: Cardiovascular and Respiratory Disorders; Neurological and Musculoskeletal
Conditions; Gastrointestinal and Renal/Urinary Disorders; Endocrine and Hematology Disorders; and
Integrated Clinical Concepts and NGN Case Studies. Every question includes a verified correct answer
highlighted in bold LimeGreen, a detailed rationale explaining the clinical reasoning behind the correct
choice presented in italicized Deep Teal, an analysis of why each distractor is incorrect, and a specific
reference to the applicable 2026 ATI Adult Medical-Surgical Nursing textbook chapter (Ed 12.0), NGN case
study format, or clinical guideline. The document incorporates the NCSBN Clinical Judgment Measurement
Model, updated National Patient Safety Goals, and revised ATI clinical reasoning frameworks to ensure
alignment with current professional nursing standards and NCLEX readiness.
Keywords
ATI, Adult Medical-Surgical Nursing, Content Mastery Series, CMS, NGN, Clinical Judgment, Med-Surg,
Pharmacology, Patient Safety, NCLEX Readiness
Answer Format
Correct answers appear in bold. Each question includes a rationale in italicized explaining why the correct
answer is right. A “Why Wrong” section follows each rationale, explaining why each distractor (incorrect
option) is not the correct choice. References cite specific 2026 ATI Adult Medical-Surgical Nursing textbook
chapters (Ed 12.0), NGN case study formats, or clinical guidelines to support the verified answer and rationale.
,Content Area Overview
Content Area Questions Key Topics Weight
Cardiovascular & 25 Heart failure, DVT, MI, 25%
Respiratory Disorders COPD, asthma, PE, ARDS,
chest tubes
Neurological & 20 Stroke, ICP, seizures, 20%
Musculoskeletal spinal cord injury,
Conditions fractures, MS, Parkinson's
Gastrointestinal & 20 Cirrhosis, pancreatitis, 20%
Renal/Urinary Disorders CKD, AKI, UTI, ostomy
care, hepatitis
Endocrine & Hematology 15 DKA, thyroid disorders, 15%
Disorders Addison's, Cushing's,
anemia, coagulopathy
Integrated Clinical 20 Prioritization, delegation, 20%
Concepts & NGN Case safety, transfusion,
Studies perioperative, oncology
TOTAL 100 — 100%
Examination Questions
Domain: Cardiovascular & Respiratory Disorders
1. A nurse is caring for a client who has heart failure and is receiving furosemide. Which of the
following findings should the nurse identify as an adverse effect of this medication?
A. Blood pressure 118/76 mm Hg
B. Serum potassium 3.1 mEq/L
C. Weight gain of 0.5 kg in 24 hr
D. Serum sodium 140 mEq/L
Correct Answer: B. Serum potassium 3.1 mEq/L
Rationale: Furosemide is a loop diuretic that acts on the ascending loop of Henle to inhibit sodium and
chloride reabsorption, leading to increased excretion of potassium along with water. Hypokalemia (serum
potassium below 3.5 mEq/L) is a common and potentially dangerous adverse effect that can cause
dysrhythmias, muscle weakness, and cardiac arrest if left untreated.
Why Wrong: A is a normal blood pressure reading, not an adverse effect. C indicates fluid retention rather
than the expected diuretic effect of furosemide, which should cause weight loss. D is a normal serum sodium
level.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Furosemide
Pharmacology.
2. A nurse is assessing a client who has a deep vein thrombosis (DVT) in the left leg. Which of the
following findings should the nurse expect?
A. Pallor in the affected limb
B. Cool temperature of the affected limb
C. Unilateral swelling of the affected limb
D. Diminished pulses in the affected limb
Correct Answer: C. Unilateral swelling of the affected limb
, Rationale: Deep vein thrombosis typically presents with unilateral swelling, warmth, erythema, and tenderness
in the affected extremity due to venous obstruction and inflammation. The swelling is caused by impaired
venous return and increased hydrostatic pressure distal to the thrombus.
Why Wrong: A is incorrect because the affected limb is typically erythematous (red), not pale. B is incorrect
because the affected limb is typically warm due to inflammation, not cool. D is incorrect because pulses are
typically present in DVT since arterial flow is not obstructed.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Venous
Thromboembolism.
3. A nurse is teaching a client who has a new prescription for warfarin. Which of the following
statements by the client indicates an understanding of the teaching?
A. I will increase my intake of green leafy vegetables.
B. I will take ibuprofen for headaches.
C. I will use an electric razor for shaving.
D. I will skip my dose if my INR is too low.
Correct Answer: C. I will use an electric razor for shaving.
Rationale: Warfarin is an anticoagulant that increases the risk of bleeding. Clients should be advised to use an
electric razor instead of a blade razor to minimize the risk of cuts and prolonged bleeding. Bleeding
precautions are essential for all clients on anticoagulant therapy.
Why Wrong: A is incorrect because consistent vitamin K intake is required; increasing green leafy vegetables
can antagonize warfarin's effect. B is incorrect because ibuprofen is an NSAID that increases bleeding risk
when combined with warfarin. D is incorrect because dose adjustments should only be made by the provider.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 21: Cardiovascular Disorders; Anticoagulant
Therapy.
4. A nurse is caring for a client who is experiencing acute myocardial infarction (MI). Which of the
following actions should the nurse take first?
A. Administer morphine sulfate IV
B. Obtain a 12-lead ECG
C. Administer oxygen via nasal cannula
D. Initiate IV access
Correct Answer: C. Administer oxygen via nasal cannula
Rationale: Using the ABC priority framework, airway and oxygenation take precedence. If the client is
experiencing an acute MI and has decreased oxygenation, administering oxygen is the first priority to improve
myocardial oxygen supply and reduce ischemia. The standard approach for acute MI follows the MONA
protocol (Morphine, Oxygen, Nitrates, Aspirin), with oxygen administration as an immediate intervention.
Why Wrong: A, B, and D are important interventions but come after ensuring adequate oxygenation.
Morphine is administered for pain and anxiety after oxygen. ECG is obtained concurrently but oxygen takes
priority if the client is hypoxic.
Reference: ATI Adult Medical-Surgical Nursing, Ed 12.0, Chapter 22: Cardiovascular Disorders; Acute Coronary
Syndrome.
5. A nurse is monitoring a client who is receiving a continuous heparin infusion. The client's aPTT
is 95 seconds. Which of the following actions should the nurse take?
A. Increase the infusion rate
B. Continue the infusion as prescribed
C. Stop the infusion
D. Administer vitamin K
Correct Answer: C. Stop the infusion
