On the Basis of the Data Presented Below, Calculate the Time

question 9

Multiple Choice

On the basis of the data presented below, calculate the time constant.
$\bullet$ Tidal volume (VT) , 600 mL
$\bullet$ Respiratory rate (RR) , 12 breaths per minute
$\bullet$ Lung compliance (C) , 0.2 L/cm H₂O
$\bullet$ Airway resistance (Raw) , 2.5 cm H₂O/L/second
$\bullet$ Peak inspiratory pressure (PIP) , 30 cm H₂O
$\bullet$ Inspiratory time (TI) , 2 seconds
$\bullet$ Expiratory time (TE) , 1 second

• A) 4.5 seconds
• B) 3.0 seconds
• C) 0.5 second
• D) 0.1 second

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Definitions:

Marginal Revenue Curve

A graphical representation showing how marginal revenue varies as output level changes.

Demand Curve

A graph representing the quantity of a good that consumers are willing and able to purchase at various prices.

Non-discriminating Monopolist

A monopolist who charges a single price for all units of output sold, unlike price-discriminating monopolists who charge different prices.

Marginal Revenue

It refers to the additional income earned from selling one more unit of a good or service.