Which of the following statements about negative feedback is incorrect?
a. It exists when a change in a regulated variable triggers a response that opposes the change.
b. It exists when the input to a system increases the output and the output inhibits the input.
c. The control system's input and output continue to enhance each other.
d. It is the method by which most of the body's control mechanisms operate.
e. It helps maintain the body's dynamic, steady state.
C
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The conoid tubercle is located on the ____________________ bone.
Fill in the blank(s) with the appropriate word(s).
A tubercle of a rib articulates with the
A) manubrium. B) costal facets of thoracic vertebrae. C) hyoid. D) xiphoid process. E) cervical and thoracic vertebrae.
Answer the following statements true (T) or false (F)
1. Fluid loss can occur from the kidneys, lungs, skin, or intestines. 2. The fluid output that changes most is the amount of sweat lost from the skin. 3. The body regulates the amount of fluid lost by increasing or decreasing the amount of urine produced. 4. ADH tends to increase the amount of urine produced. 5. ADH tends to increase the amount of water reabsorbed by the body.
Plasma accounts for ________ of total blood volume.
A. 75% B. 50% C. 55% D. 90%