Which cells secrete surfactant?
Type 2 Pneumocytes
Lining of Respiratory Epithelium?
Pseudo stratified CILIATED COLUMNAR
Irreversible enlargement of acini of lungs with wall destruction occurs in?
Emphysema
Which type of Emphysema is associated with smoking?
CENTRILOBULAR/ CENTRIACINAR emphysema (also most common)
(Affects upper lobes of lungs and
Respiratory bronchioles are affected)
Which type of emphysema occurs due to alpha-1-antrypsin deficiency?
PANACINAR emphysema
(Involves whole acini and
Affects lower lobes)
Which emphysema is associated with spontaneous penumothorax?
PARASEPTAL/DISTAL Emphysema
(Affects distal acini= Alveolar ducts and sacs)
REID Index is increased in which disease?
Chronic Bronchitis
( Because of mucous glands hypertrophy)
What is the normal REID index?
0.4
Hyper responsiveness of airways, reversible bronchoconstriction is seen in?
Bronchial Asthma
Bronchial Asthma is which type of Hypersensitivity Reaction?
Type 1
Gene associated with Bronchial Asthma is present on which chromosome?
Chromosome 5
Charcot Leyden Crystals in Sputum Microscopy are seen in?
Bronchial Asthma
Abnormal permanent dilatation of bronchi and bronchioles occurs in?
BRONCHIECTASIS
Triad of Situs Inversus (organs reversed), Sinusitis, and Bronchiectasis occurs in which Syndrome?
KARTAGENER Syndrome
Where is the defect in KARTAGENER Syndrome?
Dynein arm of cilia
Bronchiectasis usually affects which part of lungs?
Lower Lobes (B/L)
Gene for Alpha-1-antitrypsin deficiency is present on which chromosome?
Chromosome no. 14
Most common organism for acute exacerbation of COPD?
Haemophilus influenzae
Markers for Myeloblast
CD-13, 33, 117, MPO
Stain used for Lymphoblast?
PAS (Periodic Acid Schiff)
Stain used for Myeloblast?
MPO (Myeloperoxidase)
Carcinoid Tumour is which type of tumour?
Neuroendocrine tumour
Gastric adenocarcinoma is what type of tumour?
Epithelial tumour of stomach
GIST (gastro intestinal stromal tumour) is what type of tumour?
Mesenchymal tumour