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Question 9
Which antibiotic can help differentiate between Staphylococcus species?
| a |
Cephalosporin |
|
| b |
Penicillin |
|
| c |
Naladixic acid |
|
| d |
Novobiocin |
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- Question 22 A student is asked to identify which pathogen is causing a patient infection. The student conducts a Gram stain and determines th= organism does not staining very well. Assuming the organism produces mycolic acid, an Acid fast stain is performed and the studen determines that the organism is Acid fast positive. Which pathogen does this describe? O Clostridium botulinum O Prion O Haemophilus influenza O Mycobacterium tuberculosis Question 23 A patient has an infection caused by a bacterial species that produces toxins that are capable of breaking down DNA and dissolving hvaluronicacid. Which disease does this nerson have?. 12 esc 吕0 FI II F7 F9 F10 F12Question 14 Which group of bacteria below would be most resistant to antibioitcs? O wall-less bacteria e.g._ Mycoplasma_ O Gram-positive bacteria, e.g. _Streptococcus pyogenes_ AFB's e.g. _Mycobacterium tuberculosis_ O Grams-negative bacteria e.g. _E. coli_ Question 15Question 5  Antibiotic resistance might be assumed if 1. bacterial colonies are present on a streptomycin negative plate 2. bacterial colonies are present on a streptomycin positive plate 3. bacterial colonies are absent on a streptomycin negative plate 4. bacterial colonies are absent on a streptomycin positive plate
- Question 13 Trypanosomes that infect humans are transmitted by Obiting insects O contaminated water contaminated food O aerosols O parasitic wormsQuestion 7 On which of these plates would you be most surprised to see colonies of E. coli growing after incubation? 1. antibiotic resistant E. coli on streptomycin positive plate 2. antibiotic resistant E. coli on streptomycin negative plate 3. antibiotic non-resistant E. coli on streptomycin positive plate 4. antibiotic non-resistant E. coli on streptomycin negative plateQuestion 22 Many antimicrobial drugs target bacterial.metabolism. Which phase of microbial growth would be best to treat an infection with these drugs? O death O lag O log O stationary Question 23 MacBook Air F9 F10 FII 000 D00 FA F6 F7 F5 esc F2 F3 F1 & * #3 7 8. 9 6
- Question 23 Would use of alcohol based hand santizers destroy Clostridium difficile endospores? Yes No O Maybe Ouestion 24Question 11 Many great scientists pushed the development of biologics. Which scientist developed the first successful polio vaccine? Jonas Salk O Maurice Hilleman O Edward Jenner O Louis PasteurQUESTION 5You are asked to recommend an antibiotic to treat potential pathogenicityt in an animal. Describe a method which will allow you to make this recommendation.
- Question 1 In general, we would expect more bacteria to grow in a 1. streptomycin positive plate (in other words, a plate with streptomycin ) 2. streptomycin negative plate ( in other words, a plate lacking streptomycin )Question 24 During which phage of Bordetella pertussis infection will you hear the characteristic 'whoop' sound? Incubation Catarrhal Paroxysmal O Decline D Question 25 Some S. aureus stains have a number of virulence factors including O Lipase which convey resistance to lipids and staphlokinase which clots the blood.Question 66 Which below is/ are acellular? (best answer) O prions and viruses Viruses O prions O Staphylococcus_