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Author Question: Which of the following changes does not occur at birth when an infant takes his or her first ... (Read 42 times)

ghost!

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on: Feb 28, 2019
Which of the following changes does not occur at birth when an infant takes his or her 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.

Question 2

The first step in the process of photoreception is
 A) the bleaching of rods.
  B) the bleaching of cones.
  C) absorption of a photon by a visual pigment.
  D) inhibition of the sodium pumps.
  E) release of neurotransmitter.


matt95

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Reply #1 on: Feb 28, 2019
Answer to Question 1

A

Answer to Question 2

C


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