NRNP 6552 Midterm Exam Test
Questions and Correct Answers
(Verified Answers) plus Rationales
2025/2026 Q&A | Instant Download Pdf
1. Which organism is the most common cause of acute bacterial sinusitis?
A. Mycoplasma pneumoniae
B. Streptococcus pneumoniae
C. Legionella pneumophila
D. Bordetella pertussis
Answer: B
Rationale: Streptococcus pneumoniae is one of the most common bacterial causes
of acute bacterial sinusitis.
2. Which symptom is most suggestive of bacterial rather than viral sinusitis?
A. Symptoms lasting 3 days
B. Clear nasal drainage only
C. Symptoms persisting longer than 10 days
D. Mild sore throat
Answer: C
Rationale: Symptoms lasting more than 10 days without improvement suggest
bacterial sinusitis.
3. What is the first-line treatment for acute otitis media in most children?
A. Azithromycin
B. Doxycycline
C. Amoxicillin
D. Ciprofloxacin
Answer: C
Rationale: Amoxicillin remains the recommended first-line therapy for
uncomplicated acute otitis media.
,4. Which finding is characteristic of acute otitis media?
A. Retracted tympanic membrane only
B. Bulging tympanic membrane
C. Normal tympanic membrane mobility
D. Cerumen impaction
Answer: B
Rationale: A bulging tympanic membrane is a hallmark finding of acute otitis
media.
5. Which organism most commonly causes streptococcal pharyngitis?
A. Staphylococcus aureus
B. Group A Streptococcus
C. Haemophilus influenzae
D. Moraxella catarrhalis
Answer: B
Rationale: Group A Streptococcus is the primary bacterial cause of strep throat.
6. What is the preferred treatment for confirmed streptococcal pharyngitis?
A. Penicillin
B. Ciprofloxacin
C. Metronidazole
D. Vancomycin
Answer: A
Rationale: Penicillin remains the treatment of choice for Group A Streptococcal
pharyngitis.
7. Which symptom is most commonly associated with infectious
mononucleosis?
A. Severe diarrhea
B. Posterior cervical lymphadenopathy
C. Hematuria
D. Wheezing
Answer: B
Rationale: Posterior cervical lymphadenopathy is a classic finding in infectious
mononucleosis.
, 8. Which virus causes infectious mononucleosis?
A. Influenza virus
B. Epstein-Barr virus
C. Rhinovirus
D. Adenovirus
Answer: B
Rationale: Epstein-Barr virus is the primary cause of infectious mononucleosis.
9. Which organism most commonly causes community-acquired pneumonia in
adults?
A. Mycoplasma pneumoniae
B. Streptococcus pneumoniae
C. Chlamydia trachomatis
D. Klebsiella oxytoca
Answer: B
Rationale: Streptococcus pneumoniae remains the leading cause of community-
acquired pneumonia.
10. Which lung sound is commonly heard with pneumonia?
A. Stridor
B. Crackles
C. Pleural rub only
D. Silent chest
Answer: B
Rationale: Crackles often occur due to fluid within alveoli.
11. Which test is commonly used to diagnose influenza?
A. Rapid influenza diagnostic test
B. Colonoscopy
C. ECG
D. Spirometry
Answer: A
Rationale: Rapid influenza diagnostic testing is frequently used for diagnosis.
12. Which antiviral medication may be prescribed for influenza?
A. Oseltamivir
B. Metformin
Questions and Correct Answers
(Verified Answers) plus Rationales
2025/2026 Q&A | Instant Download Pdf
1. Which organism is the most common cause of acute bacterial sinusitis?
A. Mycoplasma pneumoniae
B. Streptococcus pneumoniae
C. Legionella pneumophila
D. Bordetella pertussis
Answer: B
Rationale: Streptococcus pneumoniae is one of the most common bacterial causes
of acute bacterial sinusitis.
2. Which symptom is most suggestive of bacterial rather than viral sinusitis?
A. Symptoms lasting 3 days
B. Clear nasal drainage only
C. Symptoms persisting longer than 10 days
D. Mild sore throat
Answer: C
Rationale: Symptoms lasting more than 10 days without improvement suggest
bacterial sinusitis.
3. What is the first-line treatment for acute otitis media in most children?
A. Azithromycin
B. Doxycycline
C. Amoxicillin
D. Ciprofloxacin
Answer: C
Rationale: Amoxicillin remains the recommended first-line therapy for
uncomplicated acute otitis media.
,4. Which finding is characteristic of acute otitis media?
A. Retracted tympanic membrane only
B. Bulging tympanic membrane
C. Normal tympanic membrane mobility
D. Cerumen impaction
Answer: B
Rationale: A bulging tympanic membrane is a hallmark finding of acute otitis
media.
5. Which organism most commonly causes streptococcal pharyngitis?
A. Staphylococcus aureus
B. Group A Streptococcus
C. Haemophilus influenzae
D. Moraxella catarrhalis
Answer: B
Rationale: Group A Streptococcus is the primary bacterial cause of strep throat.
6. What is the preferred treatment for confirmed streptococcal pharyngitis?
A. Penicillin
B. Ciprofloxacin
C. Metronidazole
D. Vancomycin
Answer: A
Rationale: Penicillin remains the treatment of choice for Group A Streptococcal
pharyngitis.
7. Which symptom is most commonly associated with infectious
mononucleosis?
A. Severe diarrhea
B. Posterior cervical lymphadenopathy
C. Hematuria
D. Wheezing
Answer: B
Rationale: Posterior cervical lymphadenopathy is a classic finding in infectious
mononucleosis.
, 8. Which virus causes infectious mononucleosis?
A. Influenza virus
B. Epstein-Barr virus
C. Rhinovirus
D. Adenovirus
Answer: B
Rationale: Epstein-Barr virus is the primary cause of infectious mononucleosis.
9. Which organism most commonly causes community-acquired pneumonia in
adults?
A. Mycoplasma pneumoniae
B. Streptococcus pneumoniae
C. Chlamydia trachomatis
D. Klebsiella oxytoca
Answer: B
Rationale: Streptococcus pneumoniae remains the leading cause of community-
acquired pneumonia.
10. Which lung sound is commonly heard with pneumonia?
A. Stridor
B. Crackles
C. Pleural rub only
D. Silent chest
Answer: B
Rationale: Crackles often occur due to fluid within alveoli.
11. Which test is commonly used to diagnose influenza?
A. Rapid influenza diagnostic test
B. Colonoscopy
C. ECG
D. Spirometry
Answer: A
Rationale: Rapid influenza diagnostic testing is frequently used for diagnosis.
12. Which antiviral medication may be prescribed for influenza?
A. Oseltamivir
B. Metformin
