NR-511 Differential Diagnosis & Primary
Care Practicum – Week 8 Final Exam
Practice Text Questions (Actual Exam
2026-2027) Correct Detailed & Verified
ANSWERS (100% Accurate Solutions)
ALREADY GRADED A+||NEWEST VERSION
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1. A 58-year-old man presents with crushing substernal chest pain
radiating to his left arm. Which diagnosis should be ruled out first?
A. Gastroesophageal reflux disease (GERD)
B. Costochondritis
C. Acute myocardial infarction
D. Panic disorder
Answer: C. Acute myocardial infarction
Rationale: Life-threatening causes of chest pain, particularly acute
coronary syndrome, must always be excluded before considering less
serious diagnoses.
2. Which finding is most consistent with bacterial pneumonia?
A. Diffuse wheezing
B. Localized crackles with fever
C. Clear lung sounds
,D. Bilateral ankle edema
Answer: B. Localized crackles with fever
Rationale: Fever, productive cough, focal crackles, and consolidation
suggest bacterial pneumonia.
3. Which organism is the most common cause of community-
acquired pneumonia in adults?
A. Mycoplasma pneumoniae
B. Haemophilus influenzae
C. Streptococcus pneumoniae
D. Legionella pneumophila
Answer: C. Streptococcus pneumoniae
Rationale: Streptococcus pneumoniae remains the leading bacterial
cause of community-acquired pneumonia.
4. Which symptom is most characteristic of heart failure?
A. Hematuria
B. Epigastric pain
C. Orthopnea
D. Dysuria
Answer: C. Orthopnea
Rationale: Orthopnea and paroxysmal nocturnal dyspnea are classic
symptoms of left-sided heart failure.
,5. The most common cause of hypothyroidism in the United States
is:
A. Pituitary adenoma
B. Thyroid cancer
C. Hashimoto thyroiditis
D. Graves disease
Answer: C. Hashimoto thyroiditis
Rationale: Autoimmune destruction of the thyroid gland is the
leading cause of hypothyroidism.
6. Which laboratory test is the best initial screening test for thyroid
dysfunction?
A. Free T3
B. Total T4
C. TSH
D. Calcitonin
Answer: C. TSH
Rationale: TSH is the most sensitive initial screening test for thyroid
disease.
7. Which symptom strongly suggests hyperthyroidism?
A. Weight gain
B. Bradycardia
C. Cold intolerance
D. Heat intolerance
, Answer: D. Heat intolerance
Rationale: Hyperthyroidism increases metabolic activity causing heat
intolerance and weight loss.
8. A fasting plasma glucose of 130 mg/dL on two occasions
confirms:
A. Prediabetes
B. Normal glucose tolerance
C. Diabetes mellitus
D. Metabolic syndrome only
Answer: C. Diabetes mellitus
Rationale: Diabetes is diagnosed with fasting plasma glucose ≥126
mg/dL on two separate tests.
9. Which A1C level meets diagnostic criteria for diabetes?
A. 5.4%
B. 5.9%
C. 6.2%
D. 6.5%
Answer: D. 6.5%
Rationale: An A1C of 6.5% or greater is diagnostic of diabetes.
10. Which diabetic medication has demonstrated cardiovascular
benefit?
A. Glyburide
Care Practicum – Week 8 Final Exam
Practice Text Questions (Actual Exam
2026-2027) Correct Detailed & Verified
ANSWERS (100% Accurate Solutions)
ALREADY GRADED A+||NEWEST VERSION
Of The Exam Guarantee Pass!!
1. A 58-year-old man presents with crushing substernal chest pain
radiating to his left arm. Which diagnosis should be ruled out first?
A. Gastroesophageal reflux disease (GERD)
B. Costochondritis
C. Acute myocardial infarction
D. Panic disorder
Answer: C. Acute myocardial infarction
Rationale: Life-threatening causes of chest pain, particularly acute
coronary syndrome, must always be excluded before considering less
serious diagnoses.
2. Which finding is most consistent with bacterial pneumonia?
A. Diffuse wheezing
B. Localized crackles with fever
C. Clear lung sounds
,D. Bilateral ankle edema
Answer: B. Localized crackles with fever
Rationale: Fever, productive cough, focal crackles, and consolidation
suggest bacterial pneumonia.
3. Which organism is the most common cause of community-
acquired pneumonia in adults?
A. Mycoplasma pneumoniae
B. Haemophilus influenzae
C. Streptococcus pneumoniae
D. Legionella pneumophila
Answer: C. Streptococcus pneumoniae
Rationale: Streptococcus pneumoniae remains the leading bacterial
cause of community-acquired pneumonia.
4. Which symptom is most characteristic of heart failure?
A. Hematuria
B. Epigastric pain
C. Orthopnea
D. Dysuria
Answer: C. Orthopnea
Rationale: Orthopnea and paroxysmal nocturnal dyspnea are classic
symptoms of left-sided heart failure.
,5. The most common cause of hypothyroidism in the United States
is:
A. Pituitary adenoma
B. Thyroid cancer
C. Hashimoto thyroiditis
D. Graves disease
Answer: C. Hashimoto thyroiditis
Rationale: Autoimmune destruction of the thyroid gland is the
leading cause of hypothyroidism.
6. Which laboratory test is the best initial screening test for thyroid
dysfunction?
A. Free T3
B. Total T4
C. TSH
D. Calcitonin
Answer: C. TSH
Rationale: TSH is the most sensitive initial screening test for thyroid
disease.
7. Which symptom strongly suggests hyperthyroidism?
A. Weight gain
B. Bradycardia
C. Cold intolerance
D. Heat intolerance
, Answer: D. Heat intolerance
Rationale: Hyperthyroidism increases metabolic activity causing heat
intolerance and weight loss.
8. A fasting plasma glucose of 130 mg/dL on two occasions
confirms:
A. Prediabetes
B. Normal glucose tolerance
C. Diabetes mellitus
D. Metabolic syndrome only
Answer: C. Diabetes mellitus
Rationale: Diabetes is diagnosed with fasting plasma glucose ≥126
mg/dL on two separate tests.
9. Which A1C level meets diagnostic criteria for diabetes?
A. 5.4%
B. 5.9%
C. 6.2%
D. 6.5%
Answer: D. 6.5%
Rationale: An A1C of 6.5% or greater is diagnostic of diabetes.
10. Which diabetic medication has demonstrated cardiovascular
benefit?
A. Glyburide
