Resp formatives

Question 1

which type of lung cancer produces keratin pearls and may also produce thyroid transcription factor?

Answer 1

squamous cell carcinoma

Question 2

what cells contribute to the blood air barrier?

Answer 2

type 1 alveolar cells in alveoli

endothelial cells in pulmonary capillaries

Question 3

Pseudostratified ciliated columnar epithelium and goblet cells covering cartilage and intrinsic muscles?

Answer 3

larynx (excluding vocal folds)

Question 4

Stratified squamous epithelium surrounded by respiratory epithelium?

Answer 4

vocal folds

Question 5

Which structure is seen to develop by 28 days’ gestation, found inferior to the trachea?

Answer 5

bronchial buds