Why Is It That in Cold Winters a Tub of Water

question 73

Multiple Choice

Why is it that in cold winters a tub of water placed in a farmer's canning cellar helps prevent canned food from freezing?

• A)As long as the water remains in the liquid phase, evaporation will give off heat to the cellar.
• B)If the canned goods are in the tub of water, molecular interactions will keep them from freezing.
• C)The cold in the cellar is consumed by freezing the water, not the canned goods.
• D)The continual release of energy by the freezing water keeps the temperature of the cellar from going below 0°C.

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Definitions:

Bladder Scan

A non-invasive ultrasound procedure used to estimate the volume of urine in the bladder.

Indwelling Catheter

A tube inserted into a body cavity, such as the bladder, to allow for the continuous discharge of fluid.

Urinary Drainage

The process or device used to facilitate the removal of urine from the bladder.

External Catheter

A catheter that is placed outside the body, often used to drain urine from the bladder without entering the urethra.