At What Point During Fetal Development Does the Bone Marrow

question 6

Multiple Choice

At what point during fetal development does the bone marrow become the primary organ of hematopoiesis?

• A)3 months' gestation
• B)14 days' gestation
• C)Birth
• D)6 months' gestation

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Definitions:

Classical Conditioning

A cognitive learning strategy where the repeated combination of two stimuli results in a response that, at the beginning elicited by the second stimulus, is eventually elicited by the first stimulus alone.

Observational Learning

A learning process in which individuals learn by watching the behaviors of others and the consequences of those behaviors.

Latent Learning

A form of learning that occurs without any obvious reinforcement of the behavior or associations that are learned.

Negative Punishment

The removal of a stimulus following a given behavior in order to decrease the frequency of that behavior.