Microbial Disease of the respiratory system Flashcards
What is pharyngitis
inflammation of the mucous membranes of the throat, sore throat
What is Laryngitis
infection in the larynx, impacts speaking ability
What is tonsillitis?
inflammation of the tonsils
What is epiglottitis?
inflammation of the epiglottis, very severe
what is sinusitis
infection in the nasal sinuses, with nasal discharge of mucus
Causative agent of streptococcal pharyngitis?
Caused by group A streptococci (GAS): Streptococcus pyogenes
◦Bacteria are resistant to phagocytosis
Symptoms of streptococcal?
Local inflammation and fever
◦Additionally, tonsillitis and enlarged lymph nodes
Prevention of streptococcal?
Antibiotics
Causative agents for diphtheria
Caused by Corynebacterium diphtheriae
◦ Bacteria produces an endotoxin that circulates in the blood, can damage heart and kidneys
Symptoms for diphtheria
sore throat and fever
◦ Followed by malaise and swelling of the neck
◦ A tough grayish membrane forms in the throat
Treatment and Prevention for Diphtheria
Treated by antibiotics and antitoxin
Prevented by DTaP vaccine
◦ The D stands for Diphtheria
Causative agent of otitis media
Streptococcus pneumoniae ◦ Haemophilus influenzae (nonencapsulated) ◦ Moraxella catarrhalis ◦ Streptococcus pyogenes ◦ Respiratory syncytial viruses
Symptoms of otitis media
Middle Ear infection
◦ Formation of pus, puts pressure on the eardrum
◦ Results in painful pressure on the eardrum
Treatment of otitis media
Treated with broad-spectrum antibiotics (
How man viruses can cause the common cold
more than 200 include: rhinovirus and coronavirus