A&P Chapter 1 Quiz 1 1. Which of the following is NOT one of the levels of structural organization of the human body? a. tissue level b. organ system c. organism d. cellular level e. ecosystem 2. The term that specifically refers to the maintenance of a relatively stable internal state is _____. a. respiration b. metabolism c. digestion d. responsiveness e. homeostasis 3. Which of the following correctly illustrates the flow of the information in a homeostatic control mechanism? a. stimulus  receptor  efferent pathway  control center  afferent pathway b. stimulus  effector  afferent pathway  control center  efferent pathway  receptor c. stimulus  receptor  afferent pathway  efferent pathway  control center effector d. stimulus  receptor  afferent pathway  control center  efferent pathway e. receptor  stimulus  afferent pathway  effector  efferent pathway  control center 4. A negative feedback mechanism _______________. a. acts to prevent the occurrence of any change in internal conditions b. acts to enhance the effect of the initial stimulus c. is exemplified by labor contractions during childbirth d. acts to oppose the effect of the initial stimulus e. is the only type of feedback mechanism 5. Which of the following statements is correct? a. The heart is medial to the lungs. b. The heart is deep to the lungs. c. The heart is lateral to the lungs. d. The heart is superior to the lungs. e. The heart is inferior to the lungs. 6. In humans the directional term posterior is synonymous with the term ________. a. dorsal b. superior c. inferior d. anterior e. ventral 7. Which of the following planes divides the body into two equal lateral halves? a. midsagittal b. parasagittal c. frontal d. coronal e. transverse 8. The two major body cavities are the a. dorsal and abdominopelvic cavities. b. ventral and abdominopelvic cavities. c. dorsal and ventral cavities. d. mediastinum and thoracic cavities. e. ventral and cranial cavities. 9. The parietal pleura lines a. joint cavities. b. the lungs. c. the walls of the pericardial cavity. d. the walls of the thoracic cavity. e. the walls of the abdominopelvic cavity. 10. Gross anatomy includes all of the following except a. systemic anatomy. b. surface anatomy. c. cellular anatomy. d. regional anatomy. e. macroscopic anatomy. 11. Epithelium is an example of which of the following levels of organization? a. tissue b. cellular c. organ d. macroscopic e. organ system 12. Structures found within the mediastinum include the a. lungs. b. appendix. c. liver. d. trachea. e. stomach. 13. Structures found within the right iliac region include a. trachea. b. liver. c. appendix. d. stomach. e. lungs. 14. An MRI involves a. exposing the body to high-frequency sound waves. b. injecting a contrast medium into arteries. c. Injecting radioactive isotopes into the body. d. exposing the body to a strong magnetic field. e. exposing the body to x-RAYS. 15. Which of the following is primary source of energy for body cells? a. proteins b. carbohydrates c. minerals d. lipids e. vitamins