Medical Microbiology Unit 4 Practice test Questions & Answers

1. Select the best answer. _____ is a structural component of hair, skin, and nails. - ANSWERSKeratin 2. Select the best answer. _____ is a process that is used by cells to absorb substances that pass the cell membrane. - ANSWERSEndocytosis 3. Select the best answer. Another name for the phylum Apicomplexa is _____. - ANSWERSSporozoa 4. Select the best answer. Membrane-bound organelles that expand and contract as a way to pump water out of a cell are called _____. - ANSWERScontractile vacuoles 5. Select the best answer. A(n) _____ is an organism that breaks down substances and dead matter into raw materials. - ANSWERSdecomposer 6. Choose True or False. A common name for nematode is flatworm. A helminth is a type of worm. Fungi use their flagella to obtain food. Protozoa obtain nutrients for cell function via endocytosis. Dinoflagellates have a very thick cell wall composed of cellulose. Protozoa do not cause human disease. Pseudopods are present in the structure of an amoeba. Ascus is the location marker where spores develop in ascomycetes. Dermatophytes do not invade the skin, hair, and nails. - ANSWERSFalse True False True True False True True False 7. Select the best answer. _____ are threadlike filaments that extend from the body of fungi. - ANSWERSHyphae 8. Select the best answer. Protists that use hairlike projections to move around are called _____. - ANSWERSciliates 9. Select the best answer. The biological process of mutually sharing environments is called _____. - ANSWERSsymbiosis 10. Select the best answer. Agents that participate in the transmission of disease are called _____. - ANSWERSvectors 11. Select the best answer. Fungi that spread to internal organs and directly affect the functions of key body systems are called _____. - ANSWERSsystemic mycoses 12. Select the best answer. Hyphae that are not separated by septa are considered _____. - ANSWERScoenocytic 13. Select the best answer. _____ is a chain or cluster of conidiophores. - ANSWERSConidia 14. Select the best answer. A disease that people can contract through food or water being contaminated by feces is _____. - ANSWERSgiardiasis 15. Select the best answer. Cells that have more than one nucleus are called _____ cells. - ANSWERSmultinucleated