MrBlack Always Consumes Coffee and Cream in Fixed Proportions-8 Ounces

question 410

Multiple Choice

Mr.Black always consumes coffee and cream in fixed proportions-8 ounces of coffee to 1 ounce of cream.This implies that for Mr.Black:

• A)coffee and cream are perfect substitutes.
• B)the indifference curves for coffee and cream are tangent.
• C)8 ounces of coffee and 2 ounces of cream yield more utility than 8 ounces of coffee and 1 ounce of cream.
• D)coffee and cream are perfect complements.

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Definitions:

Local Currents

Electrical currents that flow in the neuronal membrane due to the movement of ions in and out of the neuron, vital for the propagation of action potentials.

Absolute Refractory Period

A time period during which a neuron cannot fire another action potential, no matter how strong the stimulus.

Inactivation Gates

Structures within ion channels of neuron cell membranes that close to stop ion flow, contributing to the regulation of action potentials and neuronal firing.

Voltage-Gated Channels

Protein channels in cell membranes that open or close in response to changes in electrical membrane potential, crucial for action potentials.