Which of the Following Does NOT Correctly Describe Cardiac Muscle Cells

question 12

Multiple Choice

Which of the following does NOT correctly describe cardiac muscle cells?

• A)They are arranged in layers surrounding hollow cavities in the heart.
• B)They are much shorter than skeletal muscle fibers,and generally have a single nucleus.
• C)Their membranes are depolarized initially by the influx of sodium ions.
• D)They depolarize prior to contraction.
• E)They can contract in the absence of external calcium.

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Definitions:

Passive Investment Strategies

Investment strategies that involve minimal buying and selling, often mirroring an index.

Active Trading Strategies

Investment strategies that involve frequent transactions, aiming to exploit short-term price movements to achieve profit.

CAL

Stands for Capital Allocation Line, which represents the risk-reward profile of various portfolios, showing the possible rates of return for a given level of risk.

1-month T-bills

Short-term U.S. government debt obligations with a maturity of one month, often used as an investment with minimal risk.