Hydrogen Ions Interfere with the Ability of the Sarcoplasmic Reticulum

question 27

Multiple Choice

Hydrogen ions interfere with the ability of the sarcoplasmic reticulum to release calcium. Given this information, what effect do you think a decrease in pH would have on the force of muscle contraction?

• A) decreased force of contraction
• B) increased force of contraction
• C) no effect on force of contraction
• D) no contraction

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Definitions:

Probability

A statistical metric that indicates the extent of the chance of an event taking place, expressed within the range from 0 (no chance) to 1 (absolute certainty).

Binomial Probability Experiment

An experiment or process that has exactly two possible outcomes (success or failure) for each trial and where the probability of success is the same for each trial.

Probability

The measure of the likelihood that an event will occur, quantified between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Standard Normal Distribution

A standard normal distribution characterized by a mean of 0 and a standard deviation of 1.