NR511 EXAM 1: DIFFERENTIAL
DIAGNOSIS AND PRIMARY CARE
CLINICAL PRACTICUM QUESTIONS
AND VERIFIED ANSWERS |GRADE A+|
JUST RELEASED. CHAMBERLAIN
1. A 45-year-old male presents with a persistent cough and fever. Which component of the
SOAP note should include the patient’s ‘Review of Systems’ (ROS)?
A. Assessment
B. Objective
C. Subjective
D. Plan
Answer: C
Conceptual Explanation: The Subjective section contains the Chief Complaint, HPI, Past
Medical History, and the Review of Systems as reported by the patient.
2. When evaluating a diagnostic test, what does ‘Sensitivity’ represent?
A. The ability of a test to correctly identify those without the disease.
B. The ability of a test to correctly identify those with the disease.
C. The proportion of negative results that are truly negative.
,D. The likelihood that a positive test indicates the disease is present.
Answer: B
Conceptual Explanation: Sensitivity is the ability of a test to correctly identify patients
who have a specific condition (true positive rate).
3. A patient presents with a ‘Christmas tree’ distribution rash on their back, preceded by a
herald patch. What is the most likely diagnosis?
A. Tinea Corporis
B. Pityriasis Rosea
C. Psoriasis
D. Secondary Syphilis
Answer: B
Conceptual Explanation: Pityriasis Rosea is characterized by a herald patch followed by a
Christmas tree-like distribution of smaller lesions along skin cleavage lines.
4. Which of the following is a ‘red flag’ symptom in a patient presenting with a headache?
A. Photophobia
B. Sudden onset ‘thunderclap’ pain
C. Nausea and vomiting
D. Pain relieved by dark rooms
, Answer: B
Conceptual Explanation: A ‘thunderclap’ headache (sudden, severe onset) is a red flag for
subarachnoid hemorrhage and requires immediate emergency evaluation.
5. Using the Centor criteria, which patient is most likely to require testing for Group A
Streptococcus?
A. A 10-year-old with tonsillar exudates, tender anterior cervical lymphadenopathy, and no
cough.
B. A 20-year-old with cough, rhinorrhea, and low-grade fever.
C. A 45-year-old with posterior cervical lymphadenopathy and fatigue.
D. A 30-year-old with a scratchy throat and hoarseness.
Answer: A
Conceptual Explanation: Centor criteria include fever, tonsillar exudates, absence of
cough, and tender anterior cervical lymphadenopathy. Children under 15 also get an extra
point.
6. Which physical exam finding is most consistent with Otitis Media with Effusion (OME)?
A. Fluid bubbles behind a non-inflamed tympanic membrane with decreased mobility.
B. Erythematous and bulging tympanic membrane.
C. Pain upon tugging the pinna (Tragus sign).
D. Presence of a furuncle in the external canal.
DIAGNOSIS AND PRIMARY CARE
CLINICAL PRACTICUM QUESTIONS
AND VERIFIED ANSWERS |GRADE A+|
JUST RELEASED. CHAMBERLAIN
1. A 45-year-old male presents with a persistent cough and fever. Which component of the
SOAP note should include the patient’s ‘Review of Systems’ (ROS)?
A. Assessment
B. Objective
C. Subjective
D. Plan
Answer: C
Conceptual Explanation: The Subjective section contains the Chief Complaint, HPI, Past
Medical History, and the Review of Systems as reported by the patient.
2. When evaluating a diagnostic test, what does ‘Sensitivity’ represent?
A. The ability of a test to correctly identify those without the disease.
B. The ability of a test to correctly identify those with the disease.
C. The proportion of negative results that are truly negative.
,D. The likelihood that a positive test indicates the disease is present.
Answer: B
Conceptual Explanation: Sensitivity is the ability of a test to correctly identify patients
who have a specific condition (true positive rate).
3. A patient presents with a ‘Christmas tree’ distribution rash on their back, preceded by a
herald patch. What is the most likely diagnosis?
A. Tinea Corporis
B. Pityriasis Rosea
C. Psoriasis
D. Secondary Syphilis
Answer: B
Conceptual Explanation: Pityriasis Rosea is characterized by a herald patch followed by a
Christmas tree-like distribution of smaller lesions along skin cleavage lines.
4. Which of the following is a ‘red flag’ symptom in a patient presenting with a headache?
A. Photophobia
B. Sudden onset ‘thunderclap’ pain
C. Nausea and vomiting
D. Pain relieved by dark rooms
, Answer: B
Conceptual Explanation: A ‘thunderclap’ headache (sudden, severe onset) is a red flag for
subarachnoid hemorrhage and requires immediate emergency evaluation.
5. Using the Centor criteria, which patient is most likely to require testing for Group A
Streptococcus?
A. A 10-year-old with tonsillar exudates, tender anterior cervical lymphadenopathy, and no
cough.
B. A 20-year-old with cough, rhinorrhea, and low-grade fever.
C. A 45-year-old with posterior cervical lymphadenopathy and fatigue.
D. A 30-year-old with a scratchy throat and hoarseness.
Answer: A
Conceptual Explanation: Centor criteria include fever, tonsillar exudates, absence of
cough, and tender anterior cervical lymphadenopathy. Children under 15 also get an extra
point.
6. Which physical exam finding is most consistent with Otitis Media with Effusion (OME)?
A. Fluid bubbles behind a non-inflamed tympanic membrane with decreased mobility.
B. Erythematous and bulging tympanic membrane.
C. Pain upon tugging the pinna (Tragus sign).
D. Presence of a furuncle in the external canal.
