How Would the Heart Rate Be Affected If There Were

question 37

Multiple Choice

How would the heart rate be affected if there were a blockage of the AV node

• A)The heart rate would be unaffected.
• B)The heart rate would increase.
• C)The heart would cease to contract.
• D)The electrical stimuli from the SA node would be normal, but the rate of contraction would slow or be irregular.
• E)The heart rate would slow dramatically, and become extremely irregular, contracting only when the ventricles became overfilled.

Comprehend the structure and implications of the Electoral College on presidential elections.

Understand the functions and benefits of strong political parties in a democratic system.

Differentiate between open and closed primaries and their effects on the electoral process.

Learn about the voting patterns and political alignments in U.S. history.

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Definitions:

Habituation

Getting used to something in the environment and not responding as strongly anymore.

Systematic Desensitization

A treatment for phobias that attempts to reduce fear in many small steps by associating the feared thing with calmness.

Variable-Ratio Reinforcement

A schedule of reinforcement where a response is rewarded after an unpredictable number of responses, promoting a high and steady response rate.

Fixed-Ratio Reinforcement

A type of conditioning schedule where a response is reinforced only after a specified number of responses have occurred.