Petrol Is a Normal Good

question 19

Multiple Choice

Petrol is a normal good. If the price of petrol falls, a consumer buys more petrol because of

• A) only an income effect.
• B) only a substitution effect.
• C) an increase in the marginal rate of substitution.
• D) both an income effect and a substitution effect.

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Definitions:

Hand Hygiene

Practices, including proper hand washing, that are essential in preventing the spread of infections, especially important in healthcare settings.

Bacteremia

The presence of bacteria in the bloodstream, which can be transient, continuous, or intermittent.

Blood Cultures

Laboratory tests conducted to detect the presence of bacteria or fungi in the blood, often used to diagnose infections.

Arterial Blood Gas

A test that measures the pH, oxygen, and carbon dioxide levels in the blood from an artery, used to check the functioning of the patient's lungs.