Midterm2_version1 - 2 1. Human fertility drugs increase the...

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2 1. Human fertility drugs increase the chance of multiple births, probably because they A. stimulate spermatogenesis. B. enhance implantation. C. mimic progesterone. D. promote the acrosomal reaction and syngamy. E. none of the above 2. Which of the following examples is incorrectly paired with its class? A. cytokines-local regulator B. neurotransmitter-local regulator C. estrogen-steroid hormone D. ecdysone-peptide hormone E. prostaglandin-fatty acid derived hormone 3. You would expect to find a pupal stage in A. A hemimetabolous insect B. A holometabolus insect C. A terrestrial snail D. A freshwater annelid E. A & B 4. Tissues are composed of cells, and tissues functioning together make up A. organs. B. membranes. C. organ systems. D. organelles. E. organisms. 5. Protostome characteristics include all of the following EXCEPT: A. A mouth that develops from the blastopore B. Schizocoelous development C. Spiral cleavage D. Indeterminate cleavage E. Solid masses of mesodermal tissue that split to form the body cavity 6. The tissue that suspends the internal organs in coelomate animals is termed the: A. Mesoderm B. Mesenchyme C. Mesophyll D. Mesentary E. Mesoblast 7. The blood level of which gas is most important in controlling human respiration rate? A. nitric acid B. nitrogen C. oxygen D. carbon dioxide E. carbon monoxide 8. Which hypothalamic hormone triggers the secretion of FSH? A. luteinizing hormone (LH) B. cortisone C. progesterone D. human chorionic gonadotropin (HCG) E. gonadotropin-releasing hormone (GnRH) 9. Cephalization is primarily associated with A. fate of the blastopore. B. method of reproduction. C. type of digestive system. D. bilateral symmetry. E. adaptation to dark environments. 10. Both the eye and the respiratory tract are protected against infections by which of the following? (A or D) A. the mucous membranes that cover their surface B. the secretion of complement proteins C. the release of slightly acidic secretions D. the secretion of lysozyme onto their surface E. interferons produced by immune cells
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3 11. Which cells and which signaling molecules are responsible for initiating an inflammatory response? A. phagocytes: lysozymes B. phagocytes: chemokines C. dendritic cells: interferons D. mast cells: histamines E. lymphocytes: interferons 12. Blood is best classified as connective tissue because A. it contains more than one type of cell. B. it is found within all the organs of the body. C. it is contained in vessels that "connect" different parts of an organism's body. D. its is composed primarily of water and salts E. its cells can be separated from each other by an extracellular matrix. 13. Meroblastic cleavage occurs in A. sea urchins, but not humans or birds. B. humans, but not sea urchins or birds.
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This note was uploaded on 09/28/2009 for the course BIOL 172 taught by Professor Staff during the Spring '08 term at Hawaii.

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Midterm2_version1 - 2 1. Human fertility drugs increase the...

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