What Do the Arteries in the Umbilical Cord Carry

question 5

Multiple Choice

What do the arteries in the umbilical cord carry?

• A)Nutrients to the fetus from the placenta
• B)Oxygenated blood to perfuse the placenta
• C)Antibodies from the fetus to the mother
• D)Deoxygenated blood back to the placenta

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after being repeatedly paired with an unconditioned stimulus, starts to trigger a conditioned response similar to the response to the unconditioned stimulus.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without the need for prior learning.

Wagner

A reference to theories postulated by Robert A. Rescorla and Allan R. Wagner on conditioning processes, focusing on the associative strength between stimuli and responses.

Unconditioned Response

An automatic, natural response to an unconditioned stimulus that requires no learning.