The PH Scale Is Used to Specify the Acidity or Alkalinity

question 17

Multiple Choice

The pH scale is used to specify the acidity or alkalinity of a solution. Which of the following statements is true?

• A) stomach acid has a pH around 10
• B) neutral solutions, like water, have a pH of 10
• C) a solution with a pH of 12 has 10 times the number of protons as a solution with a pH of 11
• D) a strong base will have a pH less than 10.

Differentiate between the two basic forms of consequentialist theory.

Acknowledge Mill's approach to ethical questions through empirical investigation.

Understand the ethical significance of assessing the effects of actions in determining their moral worth.

Associate Bentham and Mill's utilitarian ethics with the valuation of pleasure and its role in ethical decision-making.

---

Definitions:

Sinoatrial Node

A group of specialized cells located in the right atrium of the heart that generate electrical impulses, acting as the heart's natural pacemaker.

Purkinje Fibers

Specialized muscle fibers located in the heart's ventricles that play a key role in conducting electrical signals and coordinating the heart's contractions.

Repolarization

Reestablishment of a polarized state in a muscle or nerve fiber following contraction or conduction of a nerve impulse. On an ECG, the time of recovery before another contraction.

Electrodes

Conductive materials that allow the flow of electrical current in and out of a circuit or solution.