The Spiracle in Conjunction with a Ventral Gill in Skates

question 4

Multiple Choice

The spiracle in conjunction with a ventral gill in skates and rays is an adaptation that allows them to:

• A) be nekton.
• B) have a bottom existence.
• C) position their mouth ventrally.
• D) avoid detection by predators.
• E) filter feed on plankton.

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Definitions:

Acute Dysphagia

A sudden and temporary condition characterized by difficulty or discomfort in swallowing.

Nasogastric (NG) Feeding Tube

A flexible tube that is passed through the nose into the stomach, primarily used for administering nutrition, medications, or to remove stomach contents.

Carbon Dioxide Sensor

A device used to detect and measure the concentration of carbon dioxide in the air or in a closed environment.

Chest Radiograph

A diagnostic imaging test, commonly known as a chest X-ray, used to visualize the structures inside the chest, including the heart, lungs, and bones.