Pathogenic Bacteria Isolated from the Respiratory or Intestinal Tracts of Humans

question 17

Multiple Choice

Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are

• A) strict aerobes that grow best in candle jars.
• B) capnophiles that grow best in carbon dioxide incubators.
• C) capnophiles that prefer highly oxygenated growth conditions.
• D) strict aerobes that grow best in reducing media.
• E) facultative anaerobes that require reducing media for growth.

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Definitions:

Steroid Hormones

Steroid hormones are a class of hormones derived from cholesterol that act as chemical messengers in the body, including sex hormones and corticosteroids.

Plasma Membrane

The lipid bilayer membrane that surrounds a cell, controlling the movement of substances in and out of the cell.

Lipid Soluble

A characteristic of substances that can dissolve in fats, oils, and non-polar solvents, allowing them to pass easily through cell membranes.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, as well as in the formation of social bonds and the reduction of stress responses.