In Tissue Recombination Experiments in Culture It Has Been Shown

question 6

Multiple Choice

In tissue recombination experiments in culture it has been shown that branching morphogenesis of the lung involves epithelial-mesenchymal interactions.What is the source of the lung epithelium?

• A) Ectoderm
• B) Somatic mesoderm
• C) Splanchnic mesoderm
• D) Somitic mesoderm
• E) Endoderm

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Definitions:

Operant Behavior

Behavior that is controlled by its consequences, including rewards and punishments.

Secondary Conditioning

A phenomenon in classical conditioning where a stimulus that becomes conditioned as a CS is used to condition a new stimulus.

Spontaneous Recovery

A phenomenon in conditioning where a previously extinguished response re-emerges after a period of no exposure to the conditioned stimulus.

Respondent Behavior

A type of behavior that occurs in response to specific stimuli and is conditioned by the environment, as seen in classical conditioning.