Which of the following is may cause more LPS to be released into the bloodstream when used for treating gram negative sepsis? rifampin mebendazole Augmentin Polymyxin B O amphotericin B
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- Question 39 Match the description to the correct phase in a standard bacterial growth curve best time to perform Gram stains [Choose] [Choose ] phase in which one would see the highest stationary phase concentration of endospores death/decline phase phase in which bacteria are most sensitive to lag phase antibiotics log/exponential stage many bacteria in biofilms are in this phase, thus are more resistant to antibiotics [ Choose ] stage at which "carrying capacity" is reached [ Choose ] phase in which bacteria are adjusting to new environment, synthesizing proteins, copying DNA in preparation for division [ Choose] phase when generation time/doubling time is [Choose] calculatedQUESTION 7 CocciTetradDiplo Which of the following statements describes the Gram status, shape and arrangement for the bacteria circled on the right in the picture above? Gram negative, cocci, tetrad Gram negative, cocci, diplococci Gram positive, diplococci, cocci Gram positive, cocci, tetradQUESTION 12 Which of the following are options for growing anaerobic bacteria? Reducing media such as thioglycolate O Candle jars O Anaerobic chambers a and c QUESTION 13 Alkaliphiles grow best at: O Acidic pH O Neutral pH Basic pH O Any pH QUESTION 14 Click Save and Submit to save and submit. Click Save All Answers to save all answers. P Type here to search 立
- QUESTION 5 Though the assumption is that a CFU arises from a single bacterial colony, it may not always be the case depending on the bacterial type. True FalseQuestion 14 If a suspect bacterial pathogen infecting your patient is known to be "fastidious" which medium would you grow this pathogen on? selective media such as MacConkey agar enrichment medium such as blood agar differential medium such as MSA O all purpose medium such as SAB Question 15Question 20 Under what conditions do endospores typically form? O ideal conditions where bacteria thrive O normal conditions O harsh conditions such as extreme droughts Only when bacteria reproduce sexually through conjugation
- QUESTION 14 Which of the following bacteria are most likely to be pathogenic? O Psychrophiles O Mesophiles O Thermophiles O Hyperthermophiles QUESTION 15 Selective media: O Is regular nutrient agar that can grow any microorganism O Selects for the growth of specific microbes while inhibiting the growth of others O Differentiates between different types of microbes O Inhibits the growth of all bacteria QUESTION 16 Who discovered DNA? Click Save and Submit to save and submit. Click Save All Answers to save all answers. P Type here to searchQuestion 7 A series of mutant strains (a through f) of a particular mold are not able to grow on minimal media unless they are supplemented by one or more of the compounds Q through V as shown below. Strain a b с d e f Q 0 0 + 0 0 + R 0 + + 0 + + Supplements S 0 o 0 0 0 0 T + + + + + + U V 0 + + 0 0 + 0 + + + + + + = growth 0 = no growth Draw a plausible metabolic pathway supported by the data provided in the Table above, showing the position of each metabolic intermediate in the pathway, which step is blocked by each mutant and explain your answer. (8 marks)Question 13 All of the following microorganisms contains the enzyme catalase except? aerobes O facultative anaerobes microaerobes O obligate anaerobes
- Question 6 6- The bacterial growth curve; O would have a shape which is dependent upon factors such as medium, species, and growth temperature. would show a longer doubling time when the growth of a respiring bacterium is plotted than when growth of a fermenting organism is plotted. O consists of three periods. O all of the above.Question 2 MSA is a selective medium and contains a higher salt concentration, a pH indicator and Mannitol sugar. Which of the following makes it selective me Staphylococci? OA Mannitol O B. PH indicator OC Agar O D, Salt6:51 Done Edit This microbe does not have a fermentation pathway sufficient for growth when oxygen is not present O Obligate anaerobe O Aerotolerant py O Obligate aerobe ear O Microaerophile More