An Area of the Lung Has No Blood Flow but Is

question 60

Multiple Choice

An area of the lung has no blood flow but is normally ventilated. Which of the following statements are true about this area?
1) The alveolar gas is like air (PO₂ = 150; PCO₂ = 0) .
2) The area represents alveolar dead space.
3) The / is elevated.

• A)1 and 2 only
• B)1 and 3 only
• C)2 and 3 only
• D)1, 2, and 3

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Definitions:

Prenatal Development

The process of growth and development within the womb, from conception to birth.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).

Grasping Reflex

The grasping reflex is an involuntary movement in infants, prompting them to tightly grasp any object touching the palm of their hand.

Newborn

An infant who has recently been born, typically referring to a period of up to a few months old.