16. The lowest infective dose known is A. 1 in some parasitic diseases B. 80 in
ID: 71747 • Letter: 1
Question
16. The lowest infective dose known is A. 1 in some parasitic diseases B. 80 in Shigella C. I in rhinoviridae D. A and C
17. Examples of animal parasitism would include A Acanthocystis B. Trichiuris C. Sarcoptes D. B and C
18. Examples of a gram positive endospore producing bacteria include A. Clostridum tetani B.. Bacillus anthracis C. Bacillus megatherium D. All of the above
19. The following are acid fast A. Mycobacteria spp. B. Causative agent of plague C. Causative agent of Buruli ulcer D. A and C
20. An early sign of Lyme disease is often A. Lympadenopathy B. Diarrhea C. Heart pain D flu-like symptoms and erythema migrans
21. The following are respiratory diseases A. ARDS B. Pneuomonic plague C. Pulmonary anthrax D. All of the above
22. The following are ways that bacteria can exchange genetic information A. Conjuation B. Transoposons C. Transformation D. All of the above
23. The following is not true about bacterial DNA A. It is double stranded and is circular without histone proteins B. It is double stranded, is found in nuceloid and usually has less than 10,000 genes C. It is usually double stranded, does not usually have histones and is found in the nucleoid D. It is single stranded and does not have histone proteins
24. The best medium for growing just gram negative bacteria would be A. Sabauroud’s B. EMB C. Mackonkey’s agar D. PEA
25 Retroviruses may have at some time the following: A. DNA ,envelopes, reverse transcriptase, proteases, RNA B. Capsids, RNA. DNA, topioisomerases, glycoprotein spikes C. genetic material, envelopes, capsids, reverse transcriptase D. All of the above
Explanation / Answer
16. B
17. D
18. D
19. D
20. A or D
21. D
22. D
23. C
24. C
25. D
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