Intrinsic Control of Heartbeat Rate Involves What Mechanism(s)

question 60

Multiple Choice

Intrinsic control of heartbeat rate involves what mechanism(s) ?

• A) The AV node initiates heartbeat although the SA node can generate a slower beat rate.
• B) The atrioventricular bundle initiates signals that travel to the Purkinje fibers.
• C) The Purkinje fibers initiates signals that travel to the atrioventricular bundle.
• D) The SA node initiates heartbeat and the AV node inhibits the heartbeat.
• E) The SA node initiates heartbeat although the AV node can generate a slower beat rate.

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Definitions:

Uniform Distribution

A type of probability distribution where all outcomes are equally likely to occur.

Continuous Random Variable

A variable that can take an infinite number of possible values in a continuum within a given range, such as any real number between two points.

Continuous Random Variable

A random variable that can take an infinite number of possible values.

Continuous Probability Distribution

A type of probability distribution where the possible outcomes form a continuum and can take on any value within a given range.