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Chapter 02: Homeostasis
Patton: Anatomy and Physiology, 10th Edition
MULTIPLE CHOICE
1. Of the 11 major body systems, which is the least involved in maintaining homeostasis?
a. Circulatory
b. Endocrine
c. Lymphatic
d. Reproductive
ANS: D DIF: Application REF: p. 25, Table 2-1
TOP: Homeostatic Functions of Body Systems
2. Homeostasis can best be described as:
a. a constant state maintained by living and nonliving organisms.
b. a state of relative constancy.
c. adaptation to the external environment.
d. changes in body temperature.
ANS: B DIF: Application REF: p. 31 TOP: Homeostasis
3. The normal reading or range of normal is called the:
a. sensor point.
b. set point.
c. effector point.
d. integrator point.
ANS: B DIF: Memorization REF: p. 24
TOP: Set Point
4. Which of the following is not one of the basic components in a feedback control loop?
a. Effector mechanism
b. Transmitter
c. Sensor
d. Integrating center
ANS: B DIF: Memorization REF: p. 27
TOP: Basic Components of Control Mechanisms
5. The body’s thermostat is located in the:
a. heart.
b. cerebellum.
c. pituitary.
d. hypothalamus.
ANS: D DIF: Memorization REF: p. 27
TOP: Basic Components of Control Mechanisms
6. The contraction of the uterus during the birth of a baby is an example of _____ feedback.
a. negative