ANATOMY AND PHYSIOLOGY 9TH EDITION PATTON TEST BANK

U S N T O Chapter 02: Homeostasis Patton: Anatomy and Physiology, 9th 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 TOP: System Level 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. 24 TOP: Homeostasis 3. 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 N R I G B.C M DIF: Memorization REF: p. 26 TOP: Basic Components of Control Mechanisms 4. 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 5. The contraction of the uterus during the birth of a baby is an example of feedback. a. negative b. positive c. inhibitory d. deviating ANS: B DIF: Memorization REF: p. 28 TOP: Positive-Feedback Control Systems 6. Negative-feedback mechanisms: a. minimize changes in blood glucose levels. b. maintain homeostasis.