An Action Potential Rapidly Spreads to the Central Portions of a Muscle

question 44

Multiple Choice

An action potential rapidly spreads to the central portions of a muscle cell by means of

• A)Z lines
• B)sarcoplasmic reticulum
• C)T tubules
• D)lateral sacs
• E)both a and c

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Definitions:

Federal Budget Deficit

The financial situation when a government's expenditures exceed its revenues within a fiscal year, leading to borrowing or debt accumulation.

Inflation

The rate at which the general level of prices for goods and services is rising, leading to a decrease in the purchasing power of money.

Unemployment

The situation in which individuals who are capable of working and are looking for a job are unable to find employment.

Federal Debt

A stock variable that measures the net accumulation of annual federal deficits.