A colony of bacteria or fungi A. are one single individual B. Cannot survive on agar C. Is formed from one individual that replicated in the same spot D. Cannot both survive on the same petri dish
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Q: А B
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- Which of the following statement about normal flora is INCORRECT? Question 3 options: A On Sabouraud's agar, yeast will appear as small creamy colonies and mold will have large fuzzy colonies B Alpha and gamma hemolysis is produced by Streptococcus species C Normal flora never cause disease D A healthy person can carry pathogens like MRSA and Proprionibacterium acnes on our skin E The growth of S. aureus turns the color of MSA to yellowWhich of the following is not true or related to bacterial capsule formation A. Rigid and attached tightly to the cell wall B. Loose and weakly associated with bacterial cell wall. C. Capsule formation is associated with virulence of pathogenic bacteria D. Capsule provides resistance to survive through harsh conditionsWhich of the following is not consistent with an endospore? a. It is not a means of asexual reproduction b. Considered as a virulence factor thereby increasing the bacteria's survival c. This structure makes the bacteria withstand harsh conditions in the environment d. It is presence increases bacterial susceptibility to disinfectants and radiation
- During which of the four phases of growth would a gram-positive bacteria be most susceptible to penicillin? A. Death phase B. Log phase C. Stationary phase D. Lag phase E. equally susceptible at all stagesGive 3 disease (each) that can be diagnosed by: d. Capsule stain e. Flagella StainThe patient with ulcers on his face came to see a doctor. It's known that he has been recently returned to Ukraine from Turkmenia. The doctor diagnosed cutaneous leishmaniasis. How did the disease agent get into the patient's organism? Select one: a. By a sexual contact O b. By food O c. By a direct contact d. By an inoculation way e. By a respiratory way
- What is the primary cause of Amoebiasis? Select one: O a. Giardia lamblia O b. Entamoeba histolytica c. Entamoeba coli d. Balantidium coliPrimary pathogenic fungi differ from opportunistic fungi in beinga. more virulent b. less virulent c. more prevalent d. more transmissibleBacillus subtilis and Bacillus cereus most likely showed greater resistance to UV light than Serratia marcescens. This is due to: a. Bacillus spp. are Gram-positive, while Serratia marcescens is Gram-negative b. the Bacillus spp. are spore fonners c. the pigment of Serratia marcescens absorbs more radiation than other cells d. Bacillus spp. have enzymes that protect them from ozone
- Histoplasmosis has the greatest endemic occurrence in whichregion?a. midwestern United Statesb. southwestern United Statesc. Central and South Americad. North AfricaThe following are critical factors for bacteria to survive EXCEPT? A. Appropriate temperature B. Humidiity as the water source C. Oxygen content D. Salty surface as the ions sourceWhich of the following effects is/are caused by formation of aninfectious biofilm?a. disseminated infection b. failure of drug therapy c. colonization of tissues d. a and b e. b and c f. all of these