Respiratory Flashcards
What is the most common cause of rhinitis?
Rhinovirus
What is a common cause of a nasal polyps in children? In adults?
children = Cystic fibrosis
adults = aspirin intolerant asthma
What is the triad of Aspirin-Resistant Asthma?
asthma
aspirin induced bronchospasm
nasal polyps
What is an angiofibroma? What is an angiofibroma composed of?
benign tumor of nasal mucosa
blood vessels and fibrous tissue
What patient population is angiofibroma often seen?
adolescent males
What virus is associated with nasopharyngeal carcinoma? Which lymph nodes does the commonly involve?
EBV
cervical
Nasopharyngal carcinoma is classically seen in what two populations?
African children
Chinese adults
What are the two histological characteristics of Nasopharyngeal Carcinoma seen on biopsy?
pleomorphic keratin positive epithelial cells
background of lymphocytes
What is the most common cause of epiglottitis? Immunized, nonimmunized or both?
H. influenzae Type B
both
What virus causes Croup?
Parainfluenzae
What material composes a vocal cord nodule? Unilateral or bilateral? Why?
myxoid
bilateral
excessive use
Which HPV isotypes would be found in Laryngeal Papilloma? How does this appear in adults? Children?
6 and 11
adults = single
children = multiple
Where does a Laryngeal Carcinoma usually arise from? Arise from laryngeal papilloma?
epithelial tissue of vocal cord
no
Which two bacteria make up the majority of Lobar Pneumonia? Which one is the stark majority?
Strep. pneumoniae (majority)
Klebsiella pneumoniae
Which three bacterial Genus are most likely to cause Aspiration pneumonia?
Bacteroides
Fusobacterium
Peptococcus
What is Secondary Pneumoniae? Which bug is most likely to cause Secondary Pneumonia?
bacterial pneumonia superimposed on viral pneumonia
S. Pneumoniae
What is the most common mechanism by which Klebsiella pneumoniae can establish an infection in the lungs?
Aspiration
Which patient population is most likely to be affected by Klebsiella pneumoniae?
alcoholics/elderly/debilitated
What bacteria is the 2nd most common cause of Secondary Pneumonia?
S. aureus
Patients with COPD are most likely to get pneumonia from what two bugs?
Haemophilus influenzae
Moraxella catarrhalis
What bug causes pneumonia in CFTR patients?
P. aeruginosa
Legionella pneumophilia requires what to infect people?
a water source
Which pneumonia causing bug can be visualized with a silver stain?
Legionella pneumophilia
What bug is the most common cause of atypical pneumonia? In what two patient populations?
Mycoplasma pneumonia
military recruits or college students
What bug is the second most common cause of atypical pneumonia in young adults?
Chlamydia pneumoniae
Which virus is most common to cause viral pneumonia is a post-transplant patient?
CMV
Where are the two sources for coxiella?
ticks or cattle placenta
In what two patient populations does Coxiella cause pneumonia?
farmers or veterinarians
Which lobe does aspiration pneumonia most often effect?
lower right
Where is the specific part of the brain where TB accumulates?
base of brain in meninges
Where in the lung does secondary TB most often effect?
apex
What are four sites of common TB systemic spread?
Meninges
cervical lymph nodes
kidney
lumbar spine
What hypertrophies during Chronic Bronchitis?
bronchial mucinous glands
What type of emphysema does smoking lead to? What lobe?
Centri-acinar
upper
What type of emphysema does α1AT deficiency lead to? What part of the lung?
panacinar
lower lobe
What is the normal α1AT allele? What is the mutant α1AT allele?
normal = PiMM
mutant = PiZZ
What three ILs do TH2 cytokines release during asthma?
IL4/IL5/IL10
What is the function of IL-4?
class type switch to IgE
What is the function of IL-5?
recruit eosinophils
What is the function of IL-10?
inhibit TH1 response
Does the first exposure or re-exposure to antigens result in degranulation of mast cells? What is the first cytokine released?
second exposure
histamine
Which leukotrienes are released during an asthma attack?
C4/D4/E4
Which protein mediates most of the damage/inflammation during asthma? What cell releases this protein?
major basic protein
eosinophils
What is bronchiectasis?
permanent dilation of bronchioles and bronchi
What causes Bronchiectasis?
Necrotizing Inflammation
What type of specific lung pathology is caused by Cystic Fibrosis?
bronchiectasis
What type of lung pathology is caused by Kartagener Syndrome?
bronchiectasis
What protein is defective during Kartagener Syndrome?
dynein arm
What is dynein important for?
motion of cilia
What are the three physical manifestations of Kartagener Syndrome?
sinusitis
infertility
situs inversus
What type of lung pathology can be created by Aspergillus? In what two patient groups?
Bronchiectasis
CF and asthmatics
Why can bronchiectasis produce amyloidosis?
chronic inflammation
What cytokine mediates the progression of pulmonary fibrosis?
TGF-β
What is pneumoconioses? What cell mediates this?
inhaled particles are engulfed by alveolar marophages and induce release of cytokines which mediate fibrosis
macrophages
Is sarcoidosis a caseating or non-caseating granuloma?
non-caseating
What is the race of the classic person to present with sarcoidosis?
african american, female
Would sarcoidosis be a restrictive or obstructive disease?
restrictive
What is the characteristic histological finding seen during Sarcoidosis?
asteroid body
What are the two classical lab findings during sarcoidosis?
elevated ACE
hypercalcemia
What is the Tx for sarcoidosis?
steroids
Coal Workers Lung is associated with what other disease?
Rheumatoid Arthritis
Does silicosis generally effect the upper lobe or lower lobe of the lung?
upper
What disease does silicosis carry an increased risk for developing? Why?
TB
silica impairs phagolysosome formation
Workers from what industry can present with berylliosis? What type of granuloma?
aerospace
beryllium = non-caseating granuloma
What disease does berylliosis mimmic?
Sarcoidosis