A 100 Ml Sample of Water Is Filtered Through a Sterile

question 31

Multiple Choice

A 100 ml sample of water is filtered through a sterile membrane, and the membrane is transferred to a plate of m-Endo agar.Following overnight incubation at 37°C, 57 green metallic colonies appear.The coliform count is

• A)acceptable for drinking water and recreational use.
• B)acceptable for recreational use but too high for drinking water.
• C)too high for both drinking water and recreational use.

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Definitions:

Microvilli

Small, finger-like projections from the surface of some cells which increase the surface area for absorption or secretion.

Sensorineural Hearing

A type of hearing loss resulting from damage to the inner ear or to the nerve pathways from the inner ear to the brain.

Cochlear Implants

Electronic medical devices that replace the function of the damaged inner ear by providing sound signals to the brain, helping individuals with profound deafness or severe hearing loss.

Hair Cells

Sensory receptors located in the inner ear that convert mechanical vibrations from sound waves and head movements into electrical signals to be processed by the brain.