In which of the following situations is positive feedback necessary?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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There are approximately 3 million unintended pregnancies in the United States each year.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Positive Babinski’s sign.

Negative feedback control of a regulated variable.

The muscle-spindle feedback circuit

The positive correlation between the ability of various neuroleptics to bind to D2 receptors and ...

Negative and positive feedback loops

Control of Homeostasis: Negative Feedback

Author Question: In which of the following situations is positive feedback necessary? (Read 437 times)

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