Which of these statements concerning positive feedback is correct?a. Positive-feedback responses maintain homeostasis.b. Positive-feedback responses occur continuously in healthyindividuals.c. Birth is an example of a normally occurring positive-feedbackmechanism.d. When cardiac muscle receives an inadequate supply of blood,positive-feedback mechanisms increase blood flow to the heart.e. Medical therapy seeks to overcome illness by aiding positivefeedback mechanisms.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of these statements concerning positive feedback is correct?
a. Positive-feedback responses maintain homeostasis.
b. Positive-feedback responses occur continuously in healthy
individuals.
c. Birth is an example of a normally occurring positive-feedback
mechanism.
d. When cardiac muscle receives an inadequate supply of blood,
positive-feedback mechanisms increase blood flow to the heart.
e. Medical therapy seeks to overcome illness by aiding positivefeedback mechanisms.

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