TEST BANK FOR HOLES ESSENTIALS OF HUMAN ANATOMY AND PHYSIOLOGY 11TH EDITION SHIER QUESTIONS AND ANSWERS

Chapter 02 Test Bank QUESTIONS Student: ___________________________________________________________________________ 1. All of the food that we eat, liquids that we drink and medications that we take are a. chemicals. b. vitamins. c. proteins. d. nucleic acids. e. carbohydrates. 2. Understanding ______________ is essential for understanding anatomy and physiology because body structures and functions result from chemical changes. 3. Chemistry is the branch of science that deals with the composition of matter. True False 4. Which of the following substances is not an element? a. Iron b. Oxygen c. Water d. Carbon e. Hydrogen 5. Matter is anything that has weight and takes up space. True False 6. ____________ is defined as anything that has weight and takes up space. 7. All matter is composed of atoms of fundamental substances called ________________. 8. All matter is composed of atoms of fundamental substances called ________________. a. carbon, hydrogen, oxygen, nitrogen b. carbon, hydrogen, oxygen, calcium c. carbon, hydrogen, calcium, nitrogen d. carbon, hydrogen, selenium, sodium e. sodium, calcium, nitrogen, selenium 9. An element with an atomic number of 6 contains 12 protons. True False 10. At present, there are 90 known naturally occurring _______________. 11. Which of the following is the number of elements living organisms require? a. 10 b. 15 c. 20 d. 90 e. 144 12. The atomic weight of an atom of an element equals the number of neutrons in its nucleus. True False 13. The atomic ___________ of an atom of an element equals the number of protons and neutrons in its nucleus. 14. The number of protons in the atoms of a particular element is called the element's atomic __________.