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Read the Paragraph Below and Answer the Questions That Follow

question 50

Multiple Choice

Read the paragraph below and answer the questions that follow.
(1) Some seemingly harmless substances can interfere with the way medicines work inside the body. (2) Take grapefruit juice, for example. (3) It disrupts the action of enzymes that break down drugs in the small intestine before they are absorbed into the bloodstream. (4) Therefore, taking a medication with grapefruit juice may cause the drug to enter the blood in dangerously high concentrations. (5) If this happens, not only is the drug less effective, but serious side effects can result. (6) Many common medications, including antidepressants, antihistamines, and cholesterol drugs, are negatively affected by grapefruit juice.
How many examples does the writer use to develop the topic sentence?

Definitions:

Coke and Pepsi

Refers to a classic example of duopoly in economics, representing competition between two dominant firms in a market.

Perfect Complementarity

Refers to a situation in consumer choice theory where two goods are always consumed together in fixed proportions because one is perfectly complementary to the other.

Engel Curve

A graph showing the relationship between the income of a consumer and the amount of a good that the consumer buys, illustrating how spending on a good varies with income.

Left and Right Shoes

Items that are perfect complements in consumption, where the use of one without the other is generally considered incomplete or unsatisfactory.