« previous next »

Author Question: Which of the following changes does not occur at birth when an infant takes his or her first ... (Read 40 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
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

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Feb 28, 2019
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Fetal Stage: 8 Weeks To Birth Fetal Stage: 8 Weeks To Birth
Waterspouts are tornadoes that occur over warm-water bodies, instead of over land. Waterspouts are tornadoes that occur over warm-water bodies, instead of over land.
Birth of Modern Astronomy Birth of Modern Astronomy
Single-serve cups of infant formula Single-serve cups of infant formula
The karyotype and phenotypic description of an infant with Patau syndrome The karyotype and phenotypic description of an infant with Patau syndrome
Christmas Jesus birth kids drawing Christmas Jesus birth kids drawing
Video: Embryonic development - week 1 and 2

For a complete list of videos, visit our video library