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IBD Biology (Unit 12 : Human Physiology, Health & Reproduction II) Quiz am Reproduction : The Placenta - Structure & Function, erstellt von cloud.berry am 28/09/2013.

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Reproduction : The Placenta - Structure & Function

Frage 1 von 4

1

The ___ is a ___ structure composed of ___ ( ____ ) and ___ membrane tissues, where the ___ and ___ blood circulations are brought very close together over a ___ surface area, but do not mix.

Wähle eine der folgenden:

  • placenta | disc-shaped | maternal | endometrial | fetal | maternal | fetal | huge

  • placenta | cone | maternal | endometrial | fetal | paternal | fetal | tiny

  • placenta | disc-shaped | paternal | endometrial | embryonic | maternal | fetal | large

  • placenta | oval | maternal | endometrial | fetal | maternal | fetal | small

Erklärung

Frage 2 von 4

1

___ and ___ are connected by ___ and a ___ in the ___. Exchange in the placenta takes place via ___ and ___.

Wähle eine der folgenden:

  • Placenta | fetus | arteries | vein | umbilical cord | diffusion | active transport

  • Umbilical cord | fetus | arteries | vein | placenta | diffusion | active transport

  • Placenta | fetus | arteries | vein | umbilical cord | diffusion | bulk transport

  • Placenta | embryo | arteries | vein | umbilical cord | diffusion | active transport

Erklärung

Frage 3 von 4

1

Movements across the placenta involve :

Wähle eine oder mehr der folgenden:

  • oxygen & carbon dioxide

  • water & glucose

  • antibodies & amino acids

  • urea & ions & glucose

  • urea & glucose & blood

  • oxygen & carbon monoxide

  • antibodies & viruses

  • amino acids & starch

  • ions & electrons & phospholipids

  • water & maternal waste products

Erklärung

Frage 4 von 4

1

The placenta is ___ bacteria, although ___.

Wähle eine der folgenden:

  • a barrier to | some viruses can cross it

  • a pathway for bacteria | no pathogens can live in it

  • a barrier to | most viruses can cross it

  • a barrier to | all viruses spread trying to cross it

Erklärung

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