Why Do Research Studies Tend to Focus on the Costs

question 3

Multiple Choice

Why do research studies tend to focus on the costs of having children rather than the rewards of parenthood?

• A)There are few rewards associated with parenting.
• B)The rewards of parenting are more difficult to measure than are the costs.
• C)There are more rewards for raising boys,and more costs for raising girls.
• D)Different ethnic groups rate costs and rewards differently.

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Definitions:

Increased Afterload

A condition in which the heart has to work harder to eject blood due to increased vascular resistance.

Increased Preload

A condition in which there is an elevated volume of blood in the ventricles at the end of diastole, before the heart contracts.

Decreased Contractility

A reduction in the strength or ability of a muscle, particularly the heart muscle, to contract, which can affect overall muscle function.

Respiratory Alkalosis

A condition characterized by a decrease in arterial blood carbon dioxide levels, leading to an increase in pH and resulting in alkalosis.