An Ambulance Passes You on the Highway and Speeds into the Distance

question 93

Multiple Choice

An ambulance passes you on the highway and speeds into the distance. As the ambulance gets farther away, its retinal images hrinks. Nevertheless, you still perceive the ambulance asbeing the same size. How do you arrive at this conclusion?

• A)You use the Gestalt principle called the law of good continuation.
• B)The brain integrates information about the size of the retinal image and the relative distance of the ambulance.
• C)You rely on the cues of relative size and overlap to determine the size of the ambulance.
• D)The retinal image of the ambulance shrinks, but binocular cues and accommodation help us determine its actual size and location.

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Definitions:

Microdrip Gravity Drip Tubing

A type of IV tubing designed for precise fluid delivery, using gravity, at a rate of typically 60 drops per mL.

Minute Flow Rate

A measurement of the volume of fluid delivered by a device in one minute, essential for precise dosing in medical treatments.

mL/hr

Milliliters per hour, a rate of flow commonly used in medical settings to measure fluid administration or loss.

IV Catheter Insertion

The process of placing a catheter into a vein to administer fluids, medication, or nutrition directly into the bloodstream.