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.

---

Definitions:

Aggregate Planning Horizon

The timeframe over which a company plans its overall production output, inventory levels, and workforce size to meet forecasted demand.

Demand Options

Demand options are various strategies and methods a company might use to manage or influence customer demand, such as through pricing changes, marketing efforts, or product customization.

Back-Ordering

A process where orders are taken and recorded but fulfillment is delayed due to the unavailability of product, aiming to secure future sales.