Several Shy Neurons Send an Inhibitory Message to Neighboring Neuron

question 343

Multiple Choice

Several shy neurons send an inhibitory message to neighboring neuron Joni. At the same time,a larger group of party-going neurons sends Joni excitatory messages. What will Joni do?

• A)fire,assuming that her threshold has been reached
• B)not fire,even if her threshold has been reached
• C)enter a refractory period
• D)become hyperpolarized

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Definitions:

Objective Lens

The lens in a microscope that is closest to the specimen, magnifying the image.

Mechanical Stage Control

A feature on microscopes that allows for precise movement of the specimen slide in the horizontal plane, facilitating detailed examination.

Fine Adjustment Knob

A part of a microscope used to make small adjustments in focus, enhancing the clarity of the image.

Aperture

An opening, hole, or gap, often referring to the variable opening in the lens of a camera through which light passes.