If One Wants to Design a Device That Will Detect

question 222

Multiple Choice

If one wants to design a device that will detect animals at night by the radiation they give off, even if the night is totally dark, to what wavelength range should the device be made sensitive?

• A) ultraviolet
• B) visual, like the human eye
• C) No device can detect objects on a totally dark night.
• D) infrared

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Definitions:

Plasma Component

The liquid part of blood that carries cells and proteins throughout the body, consisting mainly of water, electrolytes, and proteins.

Plasma

The liquid component of blood, in which blood cells are suspended.

Serum

The component of blood that remains after clotting has removed the blood cells and clotting proteins, containing antibodies and other proteins.

Formed Elements

Cells (i.e., red and white blood cells) and cell fragments (i.e., platelets) of blood.