Expressive Aphasia Is a Disorder Found in Some Stroke Patients

question 159

Multiple Choice

Expressive aphasia is a disorder found in some stroke patients where

• A) patients can speak language,but cannot understand spoken language.
• B) patients cannot speak language,but can understand speech.
• C) have difficulty in both speaking and understanding language.
• D) no cause has ever been determined.

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Definitions:

M

In the context of concentration, M stands for molarity, a measure of the concentration of a solute in a solution, defined as moles per liter.

Equilibrium Reaction

A chemical reaction in which the forward and reverse reactions occur at the same rate, so that the concentrations of the reactants and products do not change with time.

Equilibrium Constant

A numerical value that expresses the ratio of the concentrations of products and reactants of a chemical reaction at equilibrium.

HA

Often shorthand for hydroxyapatite, a mineral form of calcium apatite; can also refer to hyaluronic acid or other context-specific chemical compounds.