If the Cells of the SA Node Failed to Function,how

question 135

Multiple Choice

If the cells of the SA node failed to function,how would the heart rate be affected?

• A)The heart would beat faster because the AV node would be the pacemaker.
• B)The heart would beat slower because the AV node would be the pacemaker.
• C)The heart would stop beating because the SA node was not acting as the pacemaker.
• D)The heart would go into an arrhythmia because the Purkinje fibers would try to be the pacemaker.
• E)The heart would beat faster because the inherent rate of myocardial depolarization is faster than the SA node pacemaker.

Explain the impact of culture on father-infant interaction and child development.

Understand the continuous nature of human development across the lifespan.

Identify the ethical principles guiding research in human development.

Distinguish between different research designs and their application in developmental science.

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