The surfactant lining the fluid of lung alveolar epithelium decreases the

Surfactant lining the fluid on alveolar epithelium

A

Prevents the collapse of the alveoli

B

Increases the compliance of the lungs

C

Reduces the surface tension of the alveolar fluid

D

Increases the elastic recoil pressure of alveoli

E

Increases the work of breathing

The surfactant lining the fluid of the lung alveoli increases

A

The compliance of the lungs

B

Stability of the size of alveoli

C

The work of breathing

D

Pulmonary capillary filtration pressure

E

The elasticity of the lungs

The alveolar epithelium

A

Have type I and type II cells that are joined by functional complexes

B

Is closely associated with capillary endothelium

C

Rests on a well developed basement membrane

D

Contains ciliated cells

E

Has type I cells that contain multilamellar bodies of surfactant

The skin, the lining of the mouth, the lining of the blood vessels, lung alveoli and kidney tubules are all made of which type of tissue?

A

Epithelial tissue

B

Connective tissue

C

Muscular tissue

D

Nervous tissue

If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

A

$$1000\,{\text{PLC}}$$

B

$$\frac{{{\text{PLC}}}}{{1000}}$$

C

$$\frac{{{\text{PL}}}}{{1000{\text{C}}}}$$

D

$$\frac{{{\text{PC}}}}{{100{\text{L}}}}$$

Surfactant of lung alveoli

A

Contains phospholipids

B

Prevents oedema formation in the alveolar wall

C

Stabilizes the size of an alveolus

D

Reduce surface tension by approximately 30%

E

Produces a mononuclear layer

Lining epithelium of several parts of Bartholins gland

A

Gland proper is lined by cubical epithelium

B

Inner half of the duct is lined by columnar epithelium

C

Aloveoli of the gland is lined by squamous epithelium

D

Outer half of the duct is lined by squamous epithelium

E

Duct mouth is lined by transitional epithelium

Many more people who smoke develop lung cancer than do those who do not smoke. In the face of this evidence, how could a cigarette company representative argue against the conclusion that cigarette smoking cause lung cancer? To answer to the question, the representative could most likely say that

A

Many things might cause cancer.

B

A single cause may be reponsible for both smoking and cancer.

C

People have the right to endanger themselves if they choose to do so.

D

People may breathe die, but no one accuses breathing of causing death.

While standing, compared to the upper part of the lung, the lower portion of the lung has

A

Higher ventilation

B

Larger compliance

C

Larger size of the alveoli

D

Higher ventilation-perfusion ratio

E

Higher alveolar PO2

Compared to obstructive lung disease restrictive lung disease has lower

A

Functional residual capacity

B

Total lung capacity

C

Compliance of the lungs

D

FEV1/FVC %

E

Peak expiratory flow rate (PEF

The surfactant lining the fluid of lung alveolar epithelium decreases the

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