Cells and Tissues Mastering A&P Assignment Answers

Cells and Tissues Mastering A&P Assignment Answers: 1. Drag the appropriate labels to their respective targets 2. Which of the following best demonstrates the principle of complementarity of structure and function? a. The heart and blood vessels circulate blood continuously to carry oxygen and nutrients to all body cells. b. Atoms, the tiny building blocks of matter, combine to form molecules such as water and proteins. c. The liver, the brain, blood vessels, and stomach are each responsible for a necessary activity that no other organ can perform. d. Bones can support and protect body organs because they contain hard mineral deposits. 3. Drag the appropriate labels to their respective targets. 4. Drag the appropriate labels to their respective targets. 5. Drag the appropriate labels to their respective targets. 6. Drag the appropriate labels to their respective targets. 7. Drag the appropriate labels to their respective targets. 8. Choose the answer that shows the correct order for the standard preparation of a histological specimen. a. (1) fixation, (2) sectioning, (3) staining b. (1) fixation, (2) staining, (3) sectioning c. (1) sectioning, (2) staining, (3) fixation d. (1) staining, (2) fixation, (3) sectioning e. (1) sectioning, (2) fixation, (3) staining Which tissue type consists of a sheet of cells that covers a body surface or lines a body cavity? a. connective tissue 8. b. nervous tissue c. epithelial tissue d. muscle tissue 9. Connective tissues ________. a. primarily consist of extracellular matrix b. arise from different types of embryonic tissue; therefore, they have little relationship or kinship to one another c. are all avascular d. are delicate tissues, not designed to bear weight or withstand abrasion or tension 10. 11. Which of the following is NOT a role of connective tissue? a. protection b. insulation c. absorption d. support Which of the following is NOT one of the subdivisions of anatomy? a. gross anatomy b. developmental anatomy c. renal anatomy 12. Which of the numbered cell types is primarily responsible for producing protein fibers found in connective tissue proper? d. systemic anatomy a. 5 b. 3 c. 4 d. 2 13. Drag the appropriate labels to their respective targets. Which cell component helps to maintain the structural integrity of the cell? a. centriole 14. b. ribosome c. peroxisome d. cytoskeleton Which organelle is responsible for synthesizing proteins? a. smooth endoplasmic reticulum 15. b. mitochondria c. Golgi apparatus d. Ribosomes Which of the following is characteristic of cilia? a. They move substances in any direction across cell surfaces. 16. b. They are whiplike, motile cellular extensions that occur in large numbers on the exposed surfaces of certain cells. c. They are used for cellular adhesion. d. They are substantially longer than flagella, and are most easily seen in human sperm cells. 17. Which of the following is NOT a characteristic of peroxisomes? a. They contain powerful enzymes called acid hydrolases. b. They contain powerful enzymes called oxidases. c. They aid in the neutralization of dangerous free radicals. d. They contain powerful enzymes called catalases. Which of the following increases the surface area of certain epithelial tissues? a. cilia 18. b. basement membrane c. basal lamina d. microvilli e. desmosomes Mucous cells are ________. a. multicellular exocrine glands 19. b. hormone-producing glands c. endocrine glands d. unicellular exocrine glands Which tissue is correctly paired with its primary cell type? a. cartilage: fibroblast 20. b. connective tissue proper: chondroblast c. bone: osteoblast d. bone: fibrocyte The correct order of events in tissue repair, from first to last, is ________. a. organization, inflammation, and regeneration 21. b. inflammation, regeneration, and organization c. regeneration, organization, and inflammation d. inflammation, organization, and regeneration Choose the anatomical topic and definition that is not correctly matched. a. Microscopic anatomy: study of structures too small to be seen by the naked eye. 22. b. Embryology: study of the changes in an individual from conception to birth. c. Gross anatomy: study of structures visible to the eye. d. Cytology: study of the structures in a particular region. of the following is NOT an example of maintaining boundaries? a. The human body as a whole is enclosed and protected by the integumentary system. 23. b. Single-celled organisms possess a limiting membrane that encloses its contents and lets in needed substances while restricting entry of potentially damaging or unnecessary substances. c. When your hand is exposed to extreme heat, you involuntarily pull your hand away from the painful stimulus. d. Each cell in our body is surrounded by a selectively permeable membrane. 24. Which life process in the body sustains all others? a. movement b. reproduction c. responsiveness d. metabolism 25. Which of the following is the proper description of the human body in the anatomical position? a. The body is erect with feet together, palms facing backward and the thumbs pointing toward the body. b. The body is erect with feet together, and palms facing the thighs with thumbs pointing forward. c. The body is erect with feet slightly apart and arms extending perpendicular to the torso along a straight line with the clavicle. d. The body is erect with feet slightly apart, and palms face forward with thumbs pointing away from the body. What is the role of the serous membranes covering some organs? a. to prevent friction between the organ and body cavity wall 26. b. to provide a protective outer covering for the organ c. to provide passage of nutrients for the organ tissues d. to serve as extra tissue for blood flow to the organ 27. Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer.