Which Describes a Major Characteristic of Viruses

question 15

Multiple Choice

Which describes a major characteristic of viruses?

• A) Extracellular parasites
• B) Intracellular parasites
• C) Extracellular bacterial in nature
• D) Intracellular bacterial in nature

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Definitions:

Pyloric Sphincter

Thickening of the circular layer of the gastric musculature encircling the junction between the stomach and duodenum; also called pylorus.

Hydrochloric Acid

A strong acid secreted by the stomach lining that helps in digestion by breaking down food and killing bacteria.

Submucosal Layer

The layer of tissue lying just beneath the mucosa, containing blood vessels, nerves, and glands, found in various tubular structures in the body.

Mucus

A sticky, slimy substance produced by mucous membranes and glands for protection and lubrication in the body, such as in the respiratory and digestive tracts.