A&P 1 Fall 2004 Test Chemistry and Histology

Transcription

1 A&P 1 Fall 2004 Test Chemistry and Histology Form A Name Lab 1. Neurons: a. are found only in the brain and spinal cord b. make up all parts and layers of the brain and spinal cord c. conduct electricity in the brain and spinal cord d. contain reticular fibers that branch off the cell body 2. Which does not belong? a. stratified b. collagen c. columnar d. cuboidal 3. Which type of connective tissue cell never grows up to become a mature cell, (or cyte)? a. fibroblast b. chondroblast c. osteoblast d. hematopoietic stem cell 4. Histology is the study of: a. cells that look and act different b. cells that look and act alike c. microscopes d. macroscopes 5. What is the one characteristic common to all macrophage cells? a. phagocytosis b. osmosis c. active transport d. diffusion 6. The three main components of connective tissue are: a. alveoli, fibrous capsule, and secretory cells b. collagen, elastin, and reticular fibers c. fibroblasts, chondroblasts, and osteoblasts d. matrix, fibers and cells 7. Muscle cells: a. are also called muscle fibers b. contain actin and myosin c. have lots of blood vessels d. all of the above 8. Which of the following muscle cells are not striated and involuntary? a. skeletal b. cardiac c. smooth d. all of the above

2 9. In parts of the body such as the urinary bladder, where considerable distention (stretching) occurs, you can expect to find which epithelial tissue? a. pseudostratified columnar b. stratified squamous c. simple columnar d. transitional 10. Stratified epithelium is usually found in areas of the body where the principal function is: a. filtration b. absorption c. protection d. diffusion 11. Ciliated epithelium destroyed by disease would cause malfunction in which system? a. digestive b. respiratory c. skeletal d. cardiovascular 12. You not find smooth muscle as a layer in the wall of the: a. stomach b. liver c. artery d. intestine 13. Torn ligaments would involve damage to which tissue? a. dense regular b. reticular c. elastic d. areolar 14. Which tissue forms nose, trachea, and costal cartilage? a. fibrocartilage b. elastic cartilage c. adipose d. hyaline cartilage 15. When classifying tissues, which does not belong? a. bone b. adipose c. areolar d. reticular 16. Which statement about connective tissue is false? a. Cells are always very closely packed together b. Connective tissue generally has an abundant blood supply c. Matrix (ground material) is always present d. All connective tissue is derived from mesenchyme

3 17. Which of the following statements is not correct? a. Simple squamous epithelium lines blood vessels b. Simple cuboidal cells in the intestines have microvilli c. Ciliated epithelium is found in the respiratory system d. Transitional epithelium is found in the urinary bladder 18. Which of the following terms/phrases could not be applied to epithelium? a. basement membrane (basal surface) b. free surface (apical surface) c. desmosomes present d. strong matrix (ground material) 19. live in the lacunae of cartilage. a. chondrocytes b. blood c. fibroblasts d. simple squamous 20. Which of the following cartilage is the least flexible? a. hyaline b. elastic c. fibro d. myo 21. The cell that forms bone cells is called a: a. chondroblast b. hematopoietic stem cell c. osteoblast d. osteocyte 22. Which of the following terms does not describe areolar? a. striated b. messy c. many cell types d. fibers 23. Allows filtration for the body a. adipose b. smooth muscle c. simple squamous d. stratified squamous 24. Forms the external ear and epiglottis a. hyaline cartilage b fibrocartilage c. elastic cartilage d. ligament 25. An epithelium that has one layer is called: a. ciliated b. columnar c. stratified d. simple

4 26. The gland type that secretes products such as milk, saliva, bile, or sweat through a duct is: a. an endocrine gland b. an exocrine gland c. an excretory gland d. a secretory gland 27. epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane. a. stratified cuboidal b. stratified columnar c. transitional d. pseudostratified columnar 28. The type of tissue that fills spaces, insulated, and holds organs in place is called: a. nervous b. muscular c. connective d. epithelial 29. Nerve tissue is found in all of these general tissues except: a. connective tissue b. epithelial tissue c. muscle tissue d. nerve tissue is found in all of the above 30. Blood vessels are found in all of these general tissues except: a. connective tissue b. epithelial tissue c. muscle tissue d. blood vessels are found in all of the above 31. Which is not a function of epithelial tissue? a. secretes b. excretes c. insulates d. protects 32. The phagocytic connective tissue found in the lymph nodes, liver, and spleen is: a. reticular b. areolar c. mesenchyme d. elastic 33. Which of the following represents the hydrolysis of a carbohydrate? a. C 6 H 12 O 6 + O 2 CO 2 + H 2 O b. C 12 H 22 O 11 + H 2 O C 6 H 12 O 6 + C 6 H 12 O 6 c. C 6 H 12 O 6 + H 2 O C 12 H 22 O 11 + H 2 O d. CO 2 + H 2 O C 6 O 2 H 2

5 34. The single most abundant molecule of the body, accounting for 60% to 80% of body weight, is: a. oxygen b. protein c. water d. hydrogen 35. Salts are always: a. ionic compounds b. single covalent compounds c. double covalent compounds d. hydrogen bonded 36. Select the statement that is most correct regarding chemical bonds a. covalent bonding involves the transfer of one or more electrons from one atom to another b. multiple bonds (like a double bond) are not possible with covalent bonding c. hydrogen bonds are very weak and often involve water d. ionic bonds involve the sharing of electrons between two atoms 37. Atom X has 13 protons. How many electrons are in its valence shell? a. 0 b. 1 c. 5 d Aluminum has as atomic number of 13 and an atomic mass of a. aluminum has 14 electrons b. aluminum has 14 neutrons c. aluminum has 13 valence electrons d. aluminum has an equal number of electrons, neutrons and protons 39. Potential energy is best defined as: a. energy when walking b. a battery c. the energy in motion d. energy at work 40. A chemical product is one that: a. enters into a chemical reaction b. is the newly formed molecule c. is at a point when both sides of the equation are equal d. is always one molecule of sugar and six molecules of oxygen 41. The specific number of electrons will bond to atom of oxygen is based on: a. the number of neutrons in the nucleus b. the number of valence protons c. atomic mass of the atom d. the number of valence electrons 42. Which term pertaining to atom arrangement does not belong? a. orbit b. bond c. shell d. energy level

6 43. Which is the strongest bond? a. ionic b. single covalent c. double covalent d. hydrogen 44. Water: a. breaks chemical bonds in a reaction called hydrolysis b. is a nonpolar molecule c. can be ionicly bonded to other water molecules d. is stored in organelles called lysosomes 45. Which statement does not belong with the rest? a. covalent bond b. carbon c. acid d. organic 46. The numbers listed represent the first, second, and third energy levels, respectively. On this basis, which of the following is an unstable or reactive atom? a. 2, 8, 8 b. 2, 8 c. 2 d. 2, 8, A solution that has a ph of 2 could best be described as being: a. acidic b. basic c. neutral d. just plain weird 48. Which of the following would be regarded as an organic molecule? a. H 2 0 b. iron oxide c. NaOH d. CH An isotope has a specific number of neutrons, whereas an ion has a(n) a. equal number of neutrons/electrons b. as many protons as neutrons c. only protons and electrons d. specific number of electrons 50. When a liquid is heated: a. it takes up more space b. it changes to a solid c. it has less energy d. it has more density than before