Exam 2: NU 606 NU606 Latest Advanced

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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