Exam (elaborations) BIOLOGY (BIOD151)

Exam (elaborations) BIOLOGY (BIOD151) 1. Describe the proper way to carry a microscope. You should always carry a microscope by placing one hand under the base while the other hand braces the arm. 2. What portion of the light microscope adjusts the amount of light that passes through the light source? a. The illuminator b. The oculars c. The diaphragm c. The diaphragm LAB 2 1. Give the definition of what a tissue is. A tissue is a grouping of similar cells that work together to perform a specific function. 2. Which of the following statements is TRUE regarding the four primary classes of tissue in the body? a. Epithelial tissue functions in secretion and protection. b. Connective tissue functions to bind tissues and anchor organs. c. Nervous tissue functions in communication throughout the body. d. Muscular tissue functions in movement throughout the body. e. All of the above are true statements. e. All of the above are true statements. 3. Which of the following statements is TRUE regarding differences between tissue types? a. Tissues vary based upon the type of matrix it possesses. b. Tissues vary based upon the composition of matrix. c. Tissues vary based upon ratio of cells to matrix. d. b. and c. are true. e. All of the above statements are true. d. b. and c. are true. 4. Which of the following germ layers gives rise to fibroblasts? a. Ectoderm b. Mesoderm c. Endoderm d. a. and c. e. b. and c. f. All of the above