The Pacemaker of a Lobster Heart Is Composed of

question 18

Multiple Choice

The pacemaker of a lobster heart is composed of

• A) specialized myocardium that functions in a manner similar to the S-A node.
• B) specialized myocardium that functions as a central pattern generator.
• C) a series of neurons connected to and controlled by the brain.
• D) a posterior cardiac neuron that functions as a cellular oscillator and central pattern generator.

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Definitions:

Projection

A defense mechanism where an individual attributes their own unacceptable thoughts, feelings, or motives to someone else.

Rationalisation

A psychological strategy where questionable actions or emotions are rationalized in a way that appears logical, to sidestep the real reasons behind them.

Psychosexual Stages

Freud's theory of personality development, which posits that children pass through distinct stages centered on erogenous zones, with unsuccessful navigation potentially resulting in lifelong neuroses.

Sexual

Relating to or associated with sex, mating, or the distinction between biological categories frequently based on reproductive functions.