NSG 550 DIAGNOSTIC REASONING
COMPREHENSIVE EXAM QUESTIONS
AND ANSWERS
1. When evaluating a patient with a rare disease, which statistical measure describes the
proportion of people with the disease who have a positive test result?
A. Sensitivity
B. Specificity
C. Positive Predictive Value
D. Negative Predictive Value
Answer: A
Conceptual Explanation: Sensitivity is the ability of a test to correctly identify those with
the disease (true positive rate). Specificity is the ability to identify those without the
disease.
2. According to USPSTF guidelines, a Grade ‘B’ recommendation implies which of the
following?
A. The net benefit is moderate to substantial, and the service should be offered.
B. There is high certainty that the net benefit is substantial.
,C. The service is recommended only for specific individual circumstances.
D. The evidence is insufficient to assess the balance of benefits and harms.
Answer: A
Conceptual Explanation: Grade B means there is high certainty that the net benefit is
moderate or there is moderate certainty that the net benefit is moderate to substantial.
3. A patient presents with ‘tearing’ chest pain radiating to the back. Which differential
diagnosis must be ruled out immediately as a high-priority emergency?
A. Aortic Dissection
B. Pulmonary Embolism
C. Myocardial Infarction
D. Pneumothorax
Answer: A
Conceptual Explanation: Tearing or ripping chest pain radiating to the back is a classic
presentation of aortic dissection, a life-threatening emergency.
4. In the SOAP note format, where should a clinician document a patient’s report of ‘nausea
for three days’?
A. Objective
B. Subjective
C. Assessment
, D. Plan
Answer: B
Conceptual Explanation: Subjective information includes the patient’s symptoms, history,
and complaints in their own words.
5. Which physical exam maneuver is most sensitive for detecting an anterior cruciate
ligament (ACL) tear?
A. McMurray Test
B. Lachman Test
C. Posterior Drawer Test
D. Valgus Stress Test
Answer: B
Conceptual Explanation: The Lachman test is considered more sensitive and reliable than
the anterior drawer test for identifying ACL laxity.
6. A 45-year-old male presents with sudden onset of excruciating pain in the first
metatarsophalangeal joint. Which diagnostic finding is most definitive for Gout?
A. Elevated serum uric acid level
B. Radiographic evidence of joint space narrowing
C. Presence of monosodium urate crystals in synovial fluid
D. Positive response to Colchicine
COMPREHENSIVE EXAM QUESTIONS
AND ANSWERS
1. When evaluating a patient with a rare disease, which statistical measure describes the
proportion of people with the disease who have a positive test result?
A. Sensitivity
B. Specificity
C. Positive Predictive Value
D. Negative Predictive Value
Answer: A
Conceptual Explanation: Sensitivity is the ability of a test to correctly identify those with
the disease (true positive rate). Specificity is the ability to identify those without the
disease.
2. According to USPSTF guidelines, a Grade ‘B’ recommendation implies which of the
following?
A. The net benefit is moderate to substantial, and the service should be offered.
B. There is high certainty that the net benefit is substantial.
,C. The service is recommended only for specific individual circumstances.
D. The evidence is insufficient to assess the balance of benefits and harms.
Answer: A
Conceptual Explanation: Grade B means there is high certainty that the net benefit is
moderate or there is moderate certainty that the net benefit is moderate to substantial.
3. A patient presents with ‘tearing’ chest pain radiating to the back. Which differential
diagnosis must be ruled out immediately as a high-priority emergency?
A. Aortic Dissection
B. Pulmonary Embolism
C. Myocardial Infarction
D. Pneumothorax
Answer: A
Conceptual Explanation: Tearing or ripping chest pain radiating to the back is a classic
presentation of aortic dissection, a life-threatening emergency.
4. In the SOAP note format, where should a clinician document a patient’s report of ‘nausea
for three days’?
A. Objective
B. Subjective
C. Assessment
, D. Plan
Answer: B
Conceptual Explanation: Subjective information includes the patient’s symptoms, history,
and complaints in their own words.
5. Which physical exam maneuver is most sensitive for detecting an anterior cruciate
ligament (ACL) tear?
A. McMurray Test
B. Lachman Test
C. Posterior Drawer Test
D. Valgus Stress Test
Answer: B
Conceptual Explanation: The Lachman test is considered more sensitive and reliable than
the anterior drawer test for identifying ACL laxity.
6. A 45-year-old male presents with sudden onset of excruciating pain in the first
metatarsophalangeal joint. Which diagnostic finding is most definitive for Gout?
A. Elevated serum uric acid level
B. Radiographic evidence of joint space narrowing
C. Presence of monosodium urate crystals in synovial fluid
D. Positive response to Colchicine
