Which of the Following Is True of the Umbilical Cord

question 24

Multiple Choice

Which of the following is true of the umbilical cord?

• A)It is formed after embryonic development is completed.
• B)It is attached to the placenta and provides the fetus with nutrients.
• C)It connects the woman's navel with that of the fetus's.
• D)It differentiates into the digestive and respiratory system of the fetus.

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Definitions:

KMnO4

Potassium permanganate, a chemical compound with strong oxidizing properties, used in a variety of applications including as a disinfectant and in organic synthesis.

Ethylbenzene

An organic compound that is a clear, highly flammable liquid with a sweet smell, primarily used in the production of styrene, which is a precursor to polystyrene, a common plastic.

CO

Carbon monoxide, a colorless, odorless gas that is toxic to humans and animals at high concentrations, produced by incomplete combustion of carbon-containing materials.

1° Alcohol

An alcohol where the hydroxyl (-OH) group is attached to a carbon atom that is itself bonded to only one other carbon atom, known as primary alcohol.