2. Diagi pneumoniae cell. What cell wall type, if any, does Mycoplasma have? Explain why this species will not be seen on Gram stain evaluations. Which groups of antibiotics will be ineffective against Mycoplasma?
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- Penicillins have no effect on Mycoplasma pneumoniaebecause:(a) Mycoplasmas are viruses(b) Mycoplasmas possess beta lactamases(c) Mycoplasmas are too small(d) Mycoplasmas are eukaryotes(e) Mycoplasmas lack cell wallsMany clostridial diseases require a/an ____________- environment for theirdevelopment.a. living tissue b. anaerobic c. aerobic d. low pHThe most abundant component ofplasma is .a. wasteb. oxygenc. proteinsd. water
- Figure 9.18 What advantage might biofilm production confer on the S. aureus inside the1. Explain why a good, healthy growth of bacteria in broth can clear, as if by magic, and all the bacteria disappear. Refer to the infection cycle in your answer.Rickettsias and chlamydias are similar in beinga. free of a cell wallb. the cause of eye infectionsc. carried by arthropod vectorsd. obligate intracellular bacteria
- Histoplasmosis has the greatest endemic occurrence in whichregion?a. midwestern United Statesb. southwestern United Statesc. Central and South Americad. North Africa1.a. Mention and explain three different modes of transmission of parasitic infections. .b. Differentiate between monoxenous and heteroxenous life cycle, and give an example of a specific parasite each. .c. Briefly describe the life cycle of protozoansWhich of the following is not associated with H. infl uenzae infections? a. fever b. fl u c. stiff neck d. headache
- 1.A patient presents with bouts of vomitting and intense diarrhea. The patient tells you he just came from a chinese food buffet, where all's he ate was pork fried rice. You tell him that he should be okay, and that the organism will clear itself withing 24 hours. Given this information, what organism is causing his food poisoning? 2.A 34 year old woman presents with a headache, nausea, and muscle pain throughout her body. She tells you she has night sweats, but is constantly shivering throughout the day. During your evaluation, she seems to have small body-wide convulsions as you're talking to her. You take her blood expecting to see rings within her red blood cells, as well as signs of anemia. What does she have?Example(s) of fungal infection(s) that is/are communicable is/area. dermatomycosis b. candidiasis c. sporotrichosisd. both a and bDefi ne the term mycosis and explain the levels of invasion of the body by fungi.