Which of These Changes Does Not Occur at Birth When

question 65

Multiple Choice

Which of these changes does not occur at birth when an infant takes its first breaths?

• A)Blood flow to the lungs decreases.
• B)The resistance in the pulmonary arteries decreases.
• C)Changes in blood flow cause the foramen ovale to close.
• D)Air enters the alveoli.
• E)Gas diffuses across the alveolar-capillary membrane.

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Definitions:

Ganglion Cells

Specialized neurons located in the retina that play a critical role in the visual system by transmitting image information from the photoreceptors to the brain.

Photoreceptor Cells

Specialized cells in the retina of the eye that respond to light, enabling vision by converting light into electrical signals.

Pupil

The opening in the center of the iris of the eye that controls how much light enters the eye.

Dilates

Refers to the action of something expanding or becoming wider, typically in the context of body parts such as pupils or blood vessels.