Physiology | Dhamcqonline

Normal intraplural pressure ----- mmHg

1 to 2

9 to 10

-2 to -4

2to 4

Normal dead space is about ----- of total tidal volume

50%

40%

55%

30%

Normal Ventilation/perfusion (V/Q) ratio is

0.8

0.5

1.2

1.0

Brain represents only 2% of the total body weight but it accounts for ---- of the basal oxygen consumption.

12%

2%

20%

35%

Functional residual capacity is measured by

Normal expiration

Shallow inspiration

Forceful expiration

Deep inspiration

In man cardiac cycle duration is of ----- seconds

0.4

1.6

1.2

0.8

Cardiac output (L/min) divided by heart rate equals

Mean arterial pressure

Cardiac efficacy

Stroke volume

Cardiac index

Tidal volume represents

Inspiratory capacity minus Inspiratory reserve volume

Functional residual capacity minus residual volume

Vital capacity minus expiratory reserve volume

Total lung capacity minus reserve volume

Vitamin K is required for the synthesis of all of the following, except

Factor IX

Factor X

Factor VIII

Factor VII

All of the following are air- conditioning functions of the passage ways of the upper respiratory tract, except

Drying

Warming

Humidification

Filtration