Respiratory Viruses Flashcards
What are respiratory viruses?
Viruses whos dominant clinical presentation is disease of the respiratory tract.
Give 2 clinical presentations of the respiratory virus.
Bronchiolitis.
Pharyngitis.
Common cold.
Croup (problem in children affecting the airway).
Pneumonia.
Myocarditis/encephalitis.
What are the three parts of the upper respiratory tract?
Nasal cavity. Pharynx. Larynx.
What are the three parts of the lower respiratory tract?
Trachea. Primary bronchi. Lungs.
What is meant by prodrome?
Early symptom indicating onset of a disease.
Give 2 symptoms you would expect from bronchiolitis.
Cough. Dyspnoea (difficult or laboured breathing). Wheezing.
Give 2 symptoms you would expect from croup (viral condition).
Hoaresness (voice may sound breathy, raspy, strained). Barking cough. Stridor (high-pitched wheezing).
Give 2 symptoms you would expect from pneumonia.
Cough. Dyspnoea (difficult or laboured breathing). Chest pain. Rales (abnormal lung sounds characterized by discontinuous clicking or rattling sounds).
What virus can cause both bronchiolitis and pneumonia?
Respiratory Syncytial Virus (RSV) - wheezing and asthma.
What virus can cause the influenza-like virus and pneumonia?
Influenza.
What virus can result in the common cold?
Rhinoviruses. Coronaviruses.
What virus can result in Croup?
Parainfluenza.
Influenza is a zoonosis, what does that mean?
It can be transferred from animals to humans.
What viruses are used to transfer influenza (of three types) from animals to humans?
Orthomyxoviruses.
What is cell tropism?
When cells of the host support the growth of the virus/bacteria.
