Which of the Following Statements Apply To $\dot V$ _E?
I $\dot V$

question 23

Multiple Choice

Which of the following statements apply to $\dot V$ _E?
I.Normal people increase $\dot V$ _E by raising both the tidal volume and respiratory rate.
II.Early in exercise a higher tidal volume produces most of the increase in $\dot V$ _E.
III.Early in exercise a respiratory rate produces most of the increase in VE.
IV.After approximately 60% to 70% of the vital capacity is reached, tidal volume plateaus, and increased respiratory rate is responsible for additional VE increases.

• A) I, II
• B) I, III, IV
• C) I, II, III, IV
• D) I, II, IV

---

Definitions:

Southern Hemisphere

The half of Earth that lies south of the equator.

Rainshadow

A dry area on the leeward side of a mountainous area, where precipitation is significantly reduced due to the blocking of moist air and precipitation by the mountains.

Subtropics

Regions of the Earth immediately adjacent to the tropics, characterized by hot, often humid summers and mild to warm winters.

Loess

An essentially unconsolidated sediment consisting predominantly of silt, interpreted to be windblown dust, commonly of glacial origin.