27) In a tracheostomy procedure, an incision is made through which structure? A)

Question

27) In a tracheostomy procedure, an incision is made through which structure?

A) carina

B) cricoid cartilage

C) anterior tracheal wall

D) right primary bronchus

E) posterior tracheal wall

28) Why does diffusion across the respiratory membrane proceed very rapidly?

A) because the gases are water-soluble

B) because the distance across the respiratory membrane is large

C) because the basal laminae of the alveolar epithelium are separate from the adjacent capillaries

D) because the respiratory membrane epithelium and endothelial membrane of adjacent capillaries form a barrier

E) because the gases are lipid soluble

29) Positive end-expiratory pressure is an effective treatment procedure for which condition?

A) lung cancer

B) emphysema

C) respiratory distress syndrome

D) bronchitis

E) asthma

30) Surfactant abnormalities can develop in adults as the result of severe respiratory infections or pulmonary injuries, which may result in alveolar collapse, producing a condition known as ________.

A) adult RDS

B) emphysema

C) PEEP

D) lung cancer

E) NRDS

31) Blood from the pulmonary veins enter which of the following structures?

A) coronary sinus

B) right ventricle

C) left ventricle

D) right atrium

E) left atrium

32) The apical bronchopulmonary segment is from which lobe of the lungs?

A) right middle lobe

B) right superior lobe

C) right inferior lobe

D) left superior lobe

E) left inferior lobe

33) Which lobe of the lungs contain the lateral and medial bronchopulmonary segments?

A) right inferior lobe

B) left inferior lobe

C) left superior lobe

D) right superior lobe

E) right middle lobe

Explanation / Answer

27. In tracheostomy procedure, an incision is made through which structure

B. cricoid cartilage

cricoid cartilage forms the inferior wall of the larynx. It is the landmark structure for performing tracheostomy, in which a tracheal tube is inserted into emergency airway.

28. Diffusion across respiratory membrane proceeds very rapidly because

c) the basal laminae of the alveolar epithelium is seperate from the adjacent capillaries.

29. positive end expiratory pressure is an effective treatment for which condition

c) respiratory distress syndrome

30.a) adult respiratory distress syndrome

adult respiratory distress syndrome can develp on adults due to surfactant abnormalities

31. e) left atrium

left atrium recives blood from pulmonary vein

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