« previous next »

Author Question: Which of the following changes does not occur at birth when an infant takes his or her first ... (Read 39 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?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Where Earthquakes Occur— Convergent Boundaries Where Earthquakes Occur— Convergent Boundaries
Changes that occur during the processing of tyrosine pre-tRNA Changes that occur during the processing of tyrosine pre-tRNA
Testing Infant’s Understanding of Quantity Testing Infant’s Understanding of Quantity
Checklist of Developmental Skills: Birth to 5 years Cont. Checklist of Developmental Skills: Birth to 5 years Cont.
Compressions for an infant. Compressions for an infant.
(A) Dilation stage: uterine contractions cause dilation of the cervix; (B) expulsion stage: birth, ... (A) Dilation stage: uterine contractions cause dilation of the cervix; (B) expulsion stage: birth, ...
Video: Cleavage and Implantation Animation

For a complete list of videos, visit our video library