Juanita is having a normal pregnancy and the fetus is developing well. However, she has recently picked up infection and bacteri
a have accumulated in her blood stream. We know that, most likely:_________ a. the bacteria will be eliminated by the antimicrobicidal secretions of the amnion. b. many of these bacteria will be able to enter the fetus's circulation. c. the bacteria will be eliminated by the white blood cells of t fetus. d. the placental wall will block the bacteria from entering the fetus.
Answer: d: the placental wall will block the bacteria from entering the foetus.
Explanation: the placental has a protection function of guarding the foetus against harmful substances and microorganisms through its semipermeable membrane.
The placenta provides barrier to bacterial infection with an exception of treponema syphilis and the tubercle bacillus.
