APHY 201 Module 01 Chapter 1 and 3 Ivy Tech / Q-Bank / Complete Accurate Quizzes with Verified Answers / 2025.Quiz____?Anatomy - Answer✓✓ Studies the structure of body parts and their relationships to one another.Quiz____?Physiology (modern definition) - Answer✓✓ Studies the function of the body, in other words, how the body parts work and carry out their life sustaining activities. Often focuses on cellular and molecular level.Quiz____?Physiology (literal definition) - Answer✓✓ Study of nature Quiz____?Homeostasis - Answer✓✓ Maintenance of relatively stable internal environment due to process bringing system back to baseline. Aka dynamic state of equilibrium or balance.Quiz____?What is essential to maintain homeostasis? - Answer✓✓ Communication within the body to monitor and regulate. All three components (receptor, control center, and effector) must be functional to maintain homeostasis.Quiz____?Variable - Answer✓✓ Homeostasis control mechanism being regulated. Ex: body temperature, heart rate, blood pressure, oxygen content of blood, blood sugar, etc.Page 1 of 9 1 / 2
Quiz____?Receptor - Answer✓✓
First component: some type of sensor that monitors the environment and responds
to changes called stimuli, by sending information (input) to the control center.Quiz____?Control center - Answer✓✓ Second component: receives information (input) from the receptor along the afferent pathway. Determines the set point, which is the level or range at which a variable is to be maintained.Quiz____?Effector - Answer✓✓ Third component: receives information (output) from the control center along the efferent pathway. Provides the means for the control centers response (output) to the stimulus.Quiz____?Afferent - Answer✓✓ Approaches the control center (monitors) Quiz____?Efferent - Answer✓✓ Exits the control center (issues orders to muscles or glands) Quiz____?Negative feedback - Answer✓✓ The output shuts off the original effect of the stimulus or reduces its intensity.Causes the variable to change in a direction opposite to that of the initial change, returning to its ideal value. If too fast, then slows. If hot, then cools.Quiz____?Body temperature and blood sugar are regulated by what? - Answer✓✓ Negative feedback mechanism Page 2 of 9
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