« previous next »

Author Question: Which of the following changes does not occur at birth when an infant takes his or her first ... (Read 45 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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Mother gorilla with 10-day-old infant Mother gorilla with 10-day-old infant
Two important changes occur in the upper airway in croup:The epiglottis swells, thereby occluding th Two important changes occur in the upper airway in croup:The epiglottis swells, thereby occluding th
Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
How did you give birth? C section vs. Normal Delivery How did you give birth? C section vs. Normal Delivery
Nutritional Similarities between Infant Formula and Breast Milk Nutritional Similarities between Infant Formula and Breast Milk
Video: Burn Animation

For a complete list of videos, visit our video library