NSG-530 Quiz 2 62 CORRECTLY ANSWERED QUESTIONS LATEST UPDATE
alveoli epithelial cells
1.Which of the following is TRUE regarding the pulmonary system?
A.Each lobe is divided into bronchi.
B.The left lobe is divided into three lobes.
C.The mediastinum contains the lungs and heart.
D.The lary...
Ans: Type I alveolar cells (alveolar structure)
Type II alveolar cells (surfactant production)
2). 1.which of the following is true regarding the pulmonary system?
a.each lobe is divided into bronchi.
b.the left lobe is divided into three lobes.
c.the mediastinum contains the lungs and heart.
d.the larynx connects the upper and lower airways.
Ans: Correct Answer: D
The larynx connects the upper and lower airways. The mediastinum is located between
the lungs and contains the heart, great vessels, andesophagus. The right lung has three
lobes, and the left lung has two. Each lobe is divided into segments and lobules
3). Neurochemical control: respiratory center
Ans: •Dorsal and ventral respiratory groups
•Pneumotaxic and apneustic centers
4). Neurochemical control: lung receptors
Ans: •Irritant receptors
•Stretch receptors
5). Neurochemical control: chemoreceptors:
Ans: Central chemoreceptors
Peripheral chemoreceptors
6). Muscles of breathing: major muscles of inspiration
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, Ans: Diaphragm
External intercostals
7). Muscles of breathing: accessory muscles of inspiration
Ans: Four steps
ØVentilation of the lungs
ØDiffusion of oxygen from the alveoli into the capillary blood
ØPerfusion of systemic capillaries with oxygenated blood
ØDiffusion of oxygen from systemic capillaries into the cells
Diffusion of CO2 occurs in reverse order
9). 1.a patient has bulbous enlargement of the distal segments of the fingers. which disease is
associated with this condition?
This condition describes clubbing, in which there is enlargement of the distal segment of
the finger. It is associated with conditions of decreased oxygenation such as
bronchiectasis, cystic fibrosis, pulmonary fibrosis, lung abscess, and congenital heart
disease.
10). Open pneumothorax
Ans: An open wound to the chest that allows air to enter the pleural space and cause
lung collapse
11). Tension pneumothorax
Ans: a pneumothorax with rapid accumulation of air in the pleural space causing
severely high intrapleural pressures with resultant tension on the heart and great vessels.
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