This topic contains a solution. Click here to go to the answer

Author Question: What protects the fetus from most bacterial infections? a. The yolk sac b. The placental barrier ... (Read 81 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
What protects the fetus from most bacterial infections?
 
  a. The yolk sac
  b. The placental barrier
  c. The cotyledons
  d. The chorionic villa

Question 2

Which hormone is secreted by the placenta?
 
  a. Follicle-stimulating hormone (FSH)
  b. Alpha-fetoprotein (AFP)
  c. Human chorionic gonadotropin (HCG)
  d. Luteinizing hormone (LH)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

ANS: B
The placental barrier protects the embryo/fetus from most bacteria, but not from viruses or drugs. The cotyledons are sections that make up the placenta. The chorionic villa are tiny vascular projections on the chorionic surface that help form the placenta.

Answer to Question 2

ANS: C
The placenta functions as an endocrine gland, secreting estrogen, progesterone, and HCG.





 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Your heart beats over 36 million times a year.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library