Which of These Factors Would Cause an Increase in Heart

question 38

Multiple Choice

Which of these factors would cause an increase in heart rate?

• A) increased parasympathetic stimulation
• B) stimulation of baroreceptors in the aorta
• C) a decrease in blood pH
• D) a decrease in carbon dioxide in the blood
• E) excess potassium ions

---

Definitions:

Volume

A measurement of the amount of space an object or substance occupies, often measured in liters, cubic meters, or gallons.

Mass

An evaluation of how much material an object holds, commonly measured in kilograms or grams.

Chemical Sample

A chemical sample refers to a small, specifiable amount of substance or material taken for analysis, testing, or study to understand its composition or properties.

Density

A measure of mass per unit volume of a substance or object.