The following are acid fast A. Mycobacteria app. B. Causative agent leprosy C. C

Question

The following are acid fast A. Mycobacteria app. B. Causative agent leprosy C. Causative agent of Burundi ulcer D. All of the above An early sign of Lyme disease is often A. Lymphadenopathy B. Diarrhea C. Heart pain D. flu-like symptoms and erythema migrans The following are respiratory diseases A. SARs B. Pneumonia Plague C. Transformation D. All of the above The following is not true about protocol DNA, A. It is double stranded and is circular without histone proteins B. It is double stranded, is found in nucleoid and usually has less than 10,000 get C. It is usually double stranded, does not usually have histones and is found in the D. All of the above The medium for growing just gram positive bacteria would be A. Sabauroud's B. EMB C. Mackonkey's agar D. PEA Retroviruses may have at some time the following A. DNA, envelopes, reverse transcriptase, proteases, RNA B. Capsids, RNA, DNA, topoisomerases, glycoprotein spikes C. genetic material, envelopes, capsids, reverse transcription D. All of the above

Explanation / Answer

19. The following are acid fast

D.All of the above

Acid fast bacteria contain waxy substances in their cell wall which helps them to retain carbol- fuschin even when treated with acid -alcohol. Mycobacterium spp. is acid fast. Causative agents of leprosy (M. leprae) and Buruli ulcer (M. ulcerans) are also acid fast.

20. An ......... often

D. Flu like symptoms and erythema migrans

At the early stage, the patient suffers from flu like symptoms like fever, chills, headache, muscle pain etc. Also, in most of the cases, a rash appears at the site of tick bite (erythema migrans).

21. The............. respiratory diseases

D. All of the above

SARS (Severe Acute Respiratory syndrome) affects the respiratory system and is caused by SARS virus. Pneumonic plague is caused by the bacterium Yersinia pestis. Pulmonary anthrax is caused by Bacillus anthracis. Both these forms of diseases affect the respiratory system.

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