9.11.2023 GIRNE UNI VERSITY NURSIN DEP ARTM IENT SBF109 NU RSING 1st YEA R PHY SIOL OGY QUEST IONS 1. Which of the following statements best defines homeostasis? A) A mechanism that maintains the balance of the body B) A process that helps increase body temperature C) A process of energy production in the body D) The functioning of defense mechanism s in the body 2. Which process is responsible ; for regulating body temperature in a cold environment? A)Shivering B ) Regulation of blood sugar C)Muscle contraction D)Functions of the digestive system 3. Many physiologica I processes in an organism I are regulated through positive or negative feedback. Which of the following statements is related I to positive feedback? A)Regulation of body temperature B ) Regulatic n of blood sugar levels C ) Regulatior I of heart rate D)Regulatior of the digestive process 4. Which of the following statements best expresses the importanc e of homeostasis? A)Protects the body from extreme cold. B)Cleanses the body of toxins. C)Maintains body functions in a constant balance. D)Increases the absorption of vitamins and minerals. 5. What physiological mechanism is used to regulate body temperature in a hot environment? A)Sweating B)Shivering C)Increased respiration rate D)Increased heart rate