Case-Based Critical Thinking Questions

question 70

Multiple Choice

Case-Based Critical Thinking Questions
Case 9-2
Latham works in the logistics department for a large city bus system.  As routes are changed, Latham accesses the internal database to ensure all records are accurate.  The Bus Route System database includes a one-to-many relationship between the Bus Number and the Bus Routes with Bus ID as the common field.  This allows the two tables to be joined to create a query based on data from both tables:  Bus Number and Bus Routes.
-The relationship between the Bus Number and Bus Routes tables is one-to-many which means that each Bus Number record is related to ____ Bus Routes record(s) .

• A)at most one
• B)at least one
• C)exactly one
• D)zero, one, or more

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Definitions:

Sensory Adaptation

The mechanism by which sensory receptors reduce their sensitivity to sustained stimuli as time progresses.

Signal Detection Theory

A psychological theory that describes how individuals decide on the presence or absence of a stimulus under conditions of uncertainty.

Ganglion Cells

Neurons located in the retina of the eye that integrate visual information before it's transmitted to the brain via the optic nerve.

Cones

Sensory receptors in the retina that detect light waves and transduce them into signals that are processed in the brain as vision. Cones respond best to higher levels of illumination, and therefore they are responsible for seeing color and fine detail.