NU 155 EXAM 1: MEDICAL-SURGICAL NURSING I 2026 |
Galen College of Nursing | Comprehensive Assessment |
Detailed Rationales | Pass Guaranteed - A+ Graded
Section 1: Critical Thinking & Clinical Judgment (12 Questions)
Q1: A new graduate nurse is caring for a patient with pneumonia whose oxygen
saturation has dropped from 95% to 88% over the past hour. The nurse reviews the
patient's vital signs, auscultates diminished breath sounds in the lower lobes, and
recalls that pneumonia can cause hypoxemia due to impaired gas exchange. Based on
this analysis, the nurse elevates the head of the bed and notifies the healthcare provider.
Which critical thinking component is the nurse demonstrating?
A. Intuition
B. Clinical reasoning [CORRECT]
C. Trial and error
D. Scientific method
Correct Answer: B
,Rationale: Clinical reasoning is the ability to focus and filter clinical data to recognize
what is most and least important so the nurse can identify whether an actual problem is
present. The nurse systematically reviewed data (O2 saturation drop), assessed
(auscultated breath sounds), recalled pathophysiology (pneumonia causes impaired
gas exchange), and took appropriate action. [CORRECT] Option A (intuition) is a "hunch"
without systematic analysis. Option C (trial and error) involves trying different
interventions without evidence-based rationale. Option D (scientific method) is a formal
research approach involving hypothesis testing, not bedside clinical reasoning.
Q2: A nurse has a "gut feeling" that a post-operative patient is developing a complication
even though all vital signs are within normal limits. The nurse decides to stay with the
patient and perform more frequent assessments. Which critical thinking component is
the nurse primarily demonstrating?
A. Clinical analysis
B. Logical thinking
C. Intuition [CORRECT]
D. Clinical reasoning
Correct Answer: C
Rationale: Intuition is defined as a "hunch" or the ability to understand something
immediately without conscious reasoning. The nurse's "gut feeling" without objective
,data changes represents intuitive thinking. [CORRECT] Option A (clinical analysis)
involves carefully examining and evaluating information systematically, which has not
yet occurred. Option B (logical thinking) relies on evidence-based practices and
problem-solving skills, which the nurse is not using here. Option D (clinical reasoning)
requires filtering and focusing on clinical data, but the vital signs are normal—this is a
feeling rather than data analysis.
Q3: A nurse researcher is conducting a study to determine if a new wound care protocol
reduces infection rates in post-surgical patients. The researcher collects data, analyzes
results, and draws conclusions based on statistical evidence. Which critical thinking
component is being demonstrated?
A. Trial and error
B. Scientific method [CORRECT]
C. Clinical judgment
D. Intuition
Correct Answer: B
Rationale: The scientific method is a systematic approach used to gather evidence,
analyze data, and make informed decisions through hypothesis testing and statistical
analysis. [CORRECT] Option A (trial and error) is a problem-solving approach where
nurses try different interventions without systematic study design. Option C (clinical
, judgment) refers to making sound decisions at the bedside based on assessment and
evidence, not formal research. Option D (intuition) involves immediate understanding
without systematic data collection.
Q4: A nurse is caring for a patient with heart failure who is experiencing shortness of
breath. The nurse tries elevating the head of the bed, then administers oxygen, then
calls the provider when symptoms persist. Which critical thinking component is the
nurse demonstrating?
A. Clinical reasoning
B. Trial and error [CORRECT]
C. Clinical analysis
D. Logical thinking
Correct Answer: B
Rationale: Trial and error is a problem-solving approach where nurses try different
interventions to see what works. The nurse tried multiple interventions sequentially
without a systematic assessment-based plan. [CORRECT] Option A (clinical reasoning)
would involve analyzing all data first to determine the most likely cause before
intervening. Option C (clinical analysis) requires careful examination of information
before acting. Option D (logical thinking) relies on evidence-based practices rather than
sequential attempts.
Galen College of Nursing | Comprehensive Assessment |
Detailed Rationales | Pass Guaranteed - A+ Graded
Section 1: Critical Thinking & Clinical Judgment (12 Questions)
Q1: A new graduate nurse is caring for a patient with pneumonia whose oxygen
saturation has dropped from 95% to 88% over the past hour. The nurse reviews the
patient's vital signs, auscultates diminished breath sounds in the lower lobes, and
recalls that pneumonia can cause hypoxemia due to impaired gas exchange. Based on
this analysis, the nurse elevates the head of the bed and notifies the healthcare provider.
Which critical thinking component is the nurse demonstrating?
A. Intuition
B. Clinical reasoning [CORRECT]
C. Trial and error
D. Scientific method
Correct Answer: B
,Rationale: Clinical reasoning is the ability to focus and filter clinical data to recognize
what is most and least important so the nurse can identify whether an actual problem is
present. The nurse systematically reviewed data (O2 saturation drop), assessed
(auscultated breath sounds), recalled pathophysiology (pneumonia causes impaired
gas exchange), and took appropriate action. [CORRECT] Option A (intuition) is a "hunch"
without systematic analysis. Option C (trial and error) involves trying different
interventions without evidence-based rationale. Option D (scientific method) is a formal
research approach involving hypothesis testing, not bedside clinical reasoning.
Q2: A nurse has a "gut feeling" that a post-operative patient is developing a complication
even though all vital signs are within normal limits. The nurse decides to stay with the
patient and perform more frequent assessments. Which critical thinking component is
the nurse primarily demonstrating?
A. Clinical analysis
B. Logical thinking
C. Intuition [CORRECT]
D. Clinical reasoning
Correct Answer: C
Rationale: Intuition is defined as a "hunch" or the ability to understand something
immediately without conscious reasoning. The nurse's "gut feeling" without objective
,data changes represents intuitive thinking. [CORRECT] Option A (clinical analysis)
involves carefully examining and evaluating information systematically, which has not
yet occurred. Option B (logical thinking) relies on evidence-based practices and
problem-solving skills, which the nurse is not using here. Option D (clinical reasoning)
requires filtering and focusing on clinical data, but the vital signs are normal—this is a
feeling rather than data analysis.
Q3: A nurse researcher is conducting a study to determine if a new wound care protocol
reduces infection rates in post-surgical patients. The researcher collects data, analyzes
results, and draws conclusions based on statistical evidence. Which critical thinking
component is being demonstrated?
A. Trial and error
B. Scientific method [CORRECT]
C. Clinical judgment
D. Intuition
Correct Answer: B
Rationale: The scientific method is a systematic approach used to gather evidence,
analyze data, and make informed decisions through hypothesis testing and statistical
analysis. [CORRECT] Option A (trial and error) is a problem-solving approach where
nurses try different interventions without systematic study design. Option C (clinical
, judgment) refers to making sound decisions at the bedside based on assessment and
evidence, not formal research. Option D (intuition) involves immediate understanding
without systematic data collection.
Q4: A nurse is caring for a patient with heart failure who is experiencing shortness of
breath. The nurse tries elevating the head of the bed, then administers oxygen, then
calls the provider when symptoms persist. Which critical thinking component is the
nurse demonstrating?
A. Clinical reasoning
B. Trial and error [CORRECT]
C. Clinical analysis
D. Logical thinking
Correct Answer: B
Rationale: Trial and error is a problem-solving approach where nurses try different
interventions to see what works. The nurse tried multiple interventions sequentially
without a systematic assessment-based plan. [CORRECT] Option A (clinical reasoning)
would involve analyzing all data first to determine the most likely cause before
intervening. Option C (clinical analysis) requires careful examination of information
before acting. Option D (logical thinking) relies on evidence-based practices rather than
sequential attempts.
