The Following Questions Refer to the Figure Above of a Section

question 3

Multiple Choice

The following questions refer to the figure above of a section through bone.
-Muscle cells are not typical cells because

• A) groups of them fuse in the embryo to form multinucleated fibers.
• B) they contain actin proteins.
• C) they contain myosin proteins.
• D) they respond to stimuli.
• E) all of these are true.

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Definitions:

Classical Conditioning

A learning process in which two stimuli are continuously coupled; the response, initially precipitated by the second stimulus, is ultimately precipitated by the first stimulus by itself.

UCS

An acronym for "Unconditioned Stimulus," a stimulus that naturally and automatically triggers a response without prior learning.

CS

Common shorthand for "conditioned stimulus," a term from classical conditioning in psychology that refers to a previously neutral stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response.

UCR

Unconditioned Response, an automatic response to a stimulus that does not need to be learned.