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med micro 22
chapter 12 study questions
| Question | Answer |
|---|---|
| 1. How many phyla are represented in the following list of organisms: Echinococcus, Cyclosportl, Aspergillus, Tnenin, Toxoplnsma, Trichinella? a. 1 b. 2 c. 3 d. 4 e. 5 | c. 3 |
| (1 ) metacercaria (2) redia (3) adult (4) miracidium (5) cercana 2. Put the above stages in order of development, beginning with the egg. a. 5,4,1,2,3 b. 4,2,5,1,3 c.2,5,4,3,1 d.3,4,5,1,2 e.2,4,5,1,3 | b. 4,2,5,1,3 |
| 3. 1f a snail is the 1st intermediate host of a parasite w/ these stages, which stage would b found in the snail? 1 metacercaria 2 redia 3 adult 4 miracidium 5 cercana a. 1 b. 2 d. 4 e. 5 | b. 2 |
| 4. which of the statements about yeasts are true? (1 ) Yeasts are fungi . (2) Yeasts can form pseudohyphae. (3) Yeasts rrproduce asexually by budding. (4) Yeasts are facultatively anaerobic. (5) All yeasts are pathogenic. (6) All yeasts are dimorphi | a. 1,2,3,4 |
| 5. Which of thr following events follows cell fusion in an ascomycete? a. conidiophore formation b. conidiospore germination c. ascus opening d. ascospore formation e. conidiospore release | d. ascospore formation |
| 6. The difinitive host for Plasmodium vivax is a. human. b. Anopheles. c. a sporocyte. d. a gametocyte. | b. Anopheles. |
| 7. Fleas are the intermediate host for Dipylidium wllillum tapeworm, and dogs are thr difinitive host. Which stage of the parasite could be found in the flea? a. cysticerus larva b. proglottids c. scolex d. adult | a. cysticerus larva |
| 8. These are obligate intracellular parasites that lack mitochondria. a. Apicomplexa c. Dinoflagellates b. Ciliophora d. Microspora | c. Dinoflagellates |
| 9. These are nonmotile parasites with special organelles for penetrating host tissue. a. Apicomplexa c. Dinoflagellates b. Ciliophora d. Microspora | a. Apicomplexa |
| 10. These photosynthetic organisms can cause paralytic shell fish poisoning. a. Apicomplexa c. Dinoflagellates b. Ciliophora d. Microspora | d. Microspora |