When Chemoreceptors Detect an Increase in Hydrogen Ion Concentration,centers in the Nervous

question 30

Multiple Choice

When chemoreceptors detect an increase in hydrogen ion concentration,centers in the nervous system respond by sending out impulses that _____ heart rate and cause _____.

• A) increase; vasoconstriction
• B) decrease; vasodilation
• C) increase; vasodilation
• D) decrease; vasoconstriction

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Definitions:

Preventive Measures

Actions taken to reduce the potential of future harm or adverse effects.

Population Growth

The increase in the number of individuals in a population, often measured in terms of birth rates, death rates, immigration, and emigration.

Positive Checks

In Malthusian theory, natural or societal forces such as famine, disease, and war that serve to increase the death rate.

Infanticide

The act of deliberately causing the death of an infant, often associated with cultural, social, or psychological factors.