Reviewer #1 Flashcards
Inflammation of the nasal mucosa or cavity also the most COMMON URT disorder
Rhinitis
2 Classifications of rhinitis
Infectious or Non-infectious
Why is rhinitis the most common?
Due to constant exposure of the URT to the environment makes it susceptible to disorders.
Example of infectious rhinitis
Viral rhinitis or Common cold
Example of non-infectious rhinitis
Allergic rhinitis
Can spread via aerosolized droplet nuclei during sneezing or coughing. It’s patients are highly contagious also known as “Common cold”
Acute Viral Rhinitis
A communicable infectious virus that causes inflammation of the nasal mucosa or rhinitis.
Human Rhinovirus (HRV)
Rhinovirus got it’s name due to? and what are the most common symptoms it causes?
Rhino means nose, most common symptoms causes a runny nose, nasal congestion, and sneezing, as well as sore throat and cough
Rhinovirus belongs to what family?
Picornaviridae family of viruses
Rhinovirus are deemed naked because?
Because it’s capsid isn’t covered by a lipid membrane
Why does the rhinovirus typically not infect the GI tract or spread to fecal to oral route?
It is because rhinovirus is acid labile meaning the stomach acid can destroy it
Rhinovirus commonly infects?
The epithelium of the respiratory mucosa that lines the nasal cavity
How long does rhinovirus survive for?
2 hours on the skin and 4 days on surfaces
A symptomatic disorder of the nose that is induced by an Immunoglobulin E (IgE) mediated inflammatory response
Allergic rhinitis
Most common aggravating factors or allergic rhinitis are?
Foods, Pollen, and Animal dander
Allergic rhinitis triad of symptoms
- The allergic shiner, darkening of the lower eyelids due to suborbital edema
- The allergic crease, a transverse line above the tip and below the bridge of the nose
- The allergic salute, frequent wiping of the nose with the palm of the hand
If the leukocyte is eosinophils, what is present?
Allergic Rhinitis
If the leukocyte is Neutrophil, what is present?
Viral rhinitis
What is the main purpose of treatment for the common cold?
Since it has no cure the treatments aim is to decrease the impact of symptoms and prevent secondary bacterial infection.
Medication that promotes vasoconstriction, reduces inflammation and edema of nasa mucosa and relieving nasal congestions
Decongestants
Medication that relieves the systematic effect of histamines and dry respiratory secretions through an anticholinergic effect
Antihistamines
Inflammation of the parasinuses 7-10 days duration
Acute Sinusitis
Prolonged nasal congestion and inflammation leads to what?
Acute Sinusitis
Acute sinusitis signifies what?
A bacterial infection of the sinuses