Exam 2: NU 606 / NU606 (Latest
2025 / 2026) Advanced Pathophysiology | Questions and Answers | Grade A | 100% Correct - Regis
Question:
What are the most common viruses that cause the common cold? What are the most common cause colds in persons between ages 5 and 40?
Answer:
Rhinovirus; fingers are the greatest source of spread
Question:
What is an adenovirus? Is it an DNA virus? Can it cause the common cold?
Answer:
viruses that typically cause respiratory illnesses, such as a common cold, conjunctivitis, croup, bronchitis, or pneumonia; yes; yes
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Question:
Is Influenza virus a DNA or RNA virus? On the Influenza A virus, what does Hemagglutinin do and what does Neuraminidase do?
Answer:
RNA virus; hemagglutinin and neuraminidase are capable of eliciting a protective antibody response against influenza virus infections
Question:
Which viruses are responsible for the Flu epidemics that we see in the winter?
Answer:
Influenza A (mostly) and Influenza B viruses
Question:
What is Rhinosinusitis? What causes it?
Answer:
inflammation of the paranasal sinuses; barotrauma-caused by changes in barometric pressure, Swimming, diving, and abuse of nasal decongestants cause it;
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Question:
Acute rhinosinusitis: may be of viral, bacterial, or mixed viral-bacterial origin.Ex. Haemophilus influenzae or Streptococcus pneumoniae. May last from 5 to
- days up to 4 weeks
Answer:
Chronic rhinosinusitis: lasts beyond 12 weeks. Associated with bacterial or
fungal infections. Anaerobic organisms tend to predominate alone or in combo with aerobes like Streptococcus species or Staphylococcus aureus
Question:
Can too many nasal decongestants cause Sinusitis? How?
Answer:
Yes; using too much nasal decongestants can cause sinus irritation and impair damage
Question:
Allergic Rhinosinusitis
Answer:
Occurs in conjunction with allergic rhinitis; mucosal changes are the same as allergic rhinitis. Symptoms include nasal stuffiness, itching and burning of the nose, frequent bouts of sneezing, recurrent frontal headache, and watery nasal discharge
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