NEED HELP ANSWERING THESE QUESTIONS CCU-GED 102 THE HUMAN BODY


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NEED HELP ANSWERING THESE QUESTIONS CCU-GED 102 THE HUMAN BODY Multiple Choice Questions (Enter your answers on the enclosed answer sheet) 1. A structure composed of two or more tissue types that performs a specific function for the body is a(n) ________. a. organ b. tissue c. cell d. organ system 2. The heart and blood vessels are the primary organs of the ________ system. a. lymphatic b. integumentary c. cardiovascular d. muscular 3. The skeletal muscles that contract and shorten to move the bones form the ________ system. a. skeletal b. muscular c. endocrine d. reproductive 4. The ________ system rids the body of indigestible food residue in feces while the ________ system removes nitrogen-containing metabolic waste in urine. a. urinary; digestive b. cardiovascular; urinary c. digestive; urinary d. reproductive; digestive 5. ________ refers to all of the chemical reactions in the body. a. Metabolism b. Homeostasis c. Hematopoiesis d. Irritability 6. Normal human body temperature is ________° C (or ________° F). a. 37; 98 b. 100; 212 c. 98; 37 d. 72; 102Unit 1 Examination 39 GED 102 The Human Body 7. The component of a control system that provides the means for the control center’s response (output) is called the ________. a. stimulus b. effector c. receptor d. control center 8. Anything that has mass and takes up space is considered to be ________. a. a solid b. matter c. an element d. energy 9. Nerve impulses involve the flow of an electrical current, a type of energy known as ________ energy. a. radiant b. mechanical c. electrical d. chemical 10. Atoms that have lost or gained electrons are known as ________. a. isotopes b. reactants c. molecules d. ions 11. The most common element in the human body is ________. a. carbon b. oxygen c. hydrogen d. All of the above. 12. The atomic number of an atom is equal to the number of ________ an atom contains. a. protons b. neutrons c. protons and neutrons d. neutrons and electronsUnit 1 Examination 40 GED 102 The Human Body 13. Compounds that contain carbon-hydrogen bonding are collectively termed ________ compounds. a. electrolytic b. organic c. inorganic d. acidic 14. Cellular material located outside the nucleus yet inside the plasma membrane is the ________. a. nucleolus b. cytoplasm c. interstitial fluid d. extracellular fluid 15. The specialized cellular compartments within the cytosol of the cell are collectively called ________. a. organelles b. cilia c. flagella d. microvilli 16. ________, a type of cell junction, anchor adjacent cells together and prevent cells from being pulled apart. a. Tight junctions b. Gap junctions c. Desmosomes d. Cytoplasm 17. The phospholipid tails are ________, which make the plasma membrane impermeable to water. a. water-loving b. hydrophilic c. polar d. hydrophobic 18. The organelle responsible for making the majority of ATP in a cell is the ________. a. Golgi apparatus b. mitochondrion c. rough endoplasmic reticulum d. lysosomeUnit 1 Examination 41 GED 102 The Human Body 19. The membrane connections that prevent the leaking of fluid between cells are called ________. a. gap junctions b. tight junctions c. desmosomes d. microvilli 20. The pleura and pericardium are examples of ________ membranes that cover organs in a body cavity closed to the exterior. a. mucous b. serous c. cutaneous d. synovial 21. The ________ membrane lines the fibrous capsule surrounding joints. a. synovial b. serous c. mucous d. cutaneous 22. The part of a hair that projects from the surface of the scalp or skin is called the ________. a. follicle b. root c. cuticle d. shaft 23. The outermost layer of the epidermis is keratinized and known as stratum ________. a. basale b. granulosum c. corneum d. spinosum 24. The three pigments that contribute to skin color are ________, ________, and ________. a. collagen; elastic; keratin b. melanin; jaundice; erythema c. sebum; sweat; urea d. melanin; carotene; hemoglobinUnit 1 Examination 42 GED 102 The Human Body 25. The sebaceous

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