A One- Year- Old Boy Was Listless, Irritable, and Sleepy

question 20

Multiple Choice

A one- year- old boy was listless, irritable, and sleepy. Capsulated Gram- negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by

• A) Clostridium tetani.
• B) Neisseria meningitidis.
• C) a prion.
• D) rabies.
• E) Haemophilus influenzae.

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Definitions:

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the equilibrium price.

Demand Shifts

Changes in the demand curve due to factors other than the price of the good itself, such as changes in consumer preferences, income, or the prices of related goods.

Quantity Demanded

The entirety of a good or service that buyers are willing and have the ability to buy at a stated price.

Complements

Goods or services that are used together, where an increase in consumption of one leads to an increase in consumption of the other.