Which sequence correctly illustrates a negative feedback system?
a. input negative effect output change
b. external stimuli effector internal change integration
c. sensor integrator effector compensatory response
d. integrator effector compensatory response sensor
e. negative input sensor integrator positive output
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Question 2) All cells that are not pluripotent can reproduce.
Indicate whether the statement is true or false
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Question 3) The output in a positive feedback system becomes ____.
a. inactivated
b. static
c. externalized
d. amplified
e. dampened
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Question 4) Cells eliminate carbon dioxide as a waste product.
Indicate whether the statement is true or false
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Question 5) Homeostatic control systems resist change by operating on what primary principle?
a. The principle of positive feedback
b. The principle of negative feedback
c. The principle of integration
d. The principle of assimilation
e. The principle of deactivation
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Question 6) The ability of the brain to maintain optimum blood pressure by speeding up or slowing down the heart is an example of
a. intrinsic control d. Both a and c
b. extrinsic control e. Both b and c
c. positive feedback
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Question 7) What are the two classes of homeostatic control systems?
a. conscious and unconscious
b. intrinsic and extrinsic
c. intrinsic and internal
d. extrinsic and external
e. automated and reflex
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Question 8) The statement Things are going from bad to worse would be most closely related to
a. feedforward d. homeostasis
b. positive feedback e. regulatory control
c. negative feedback
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Question 9) What are the three actions that the body's control system must perform in order to maintain homeostasis?
a. Control the external environment, record information, and make adjustments.
b. Control the internal environment, record information, and detect deviation.
c. Detect information, integrate internal environment, and control changes.
d. Detect deviations, control temperature, and maintain pH.
e. Detect deviations, integrate information, and make appropriate adjustments.
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Question 10) Which of the following is a feedforward phenomenon?
a. Increasing the amount of insulin secreted before nutrients in food enter the blood.
b. Shivering in response to having cold air around the body.
c. Sweating after being in a sauna for 10 minutes.
d. Eating a doughnut because you are hungry.
e. Jerking your hand away from a hot stove after you touch it.
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