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Q: mammal
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A: Solution : Correct option is d
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- Can caffeic acid be used to treat cytomegalovirus CMV? Explain.Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein synthesis. Describe the specific effect of the following antimicrobial drugs: (i) Tetracycline (ii) Puromycin (iii) Alpha-AmanitinMany antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein synthesis. Describe the specific effect of the following antimicrobial drugs: (i) Chloramphenicol (ii) Rifamycin
- Mycobacterium tuberculosis is very difficult to stain because of the A) presence of ribosomes in the cytoplasm. B) location of the DNA within the cell. C) large amounts of a waxlike lipids present in its cell wall. D) lack of a cell wall.Why is it clinically important to distinguish S. pneumoniae from otherα-hemolytic streptococci?Which of the following is true of commensal bacterium? Question 2 options: A) commensal bacteria do not receive any benefit from its host B) commensal bacteria only colonize adult hosts C) commensal bacterium may also be an opportunistic pathogen D) commensal bacterium cannot cause an infection its host
- 94. A 45-year-old woman is receiving cyclosporine following a renal transplant. After developing a community-acquired pneumonia, she is treated with an antibiotic. Despite maintaining a constant dose of cyclosporine, her serum concentration of cyclosporine doubles. Concurrent use of which of the following drugs is most likely to lead to this change? OA) Cephalexin B) Erythromycin OC) Penicillin G QD) Tetracycline E) Trimethoprim-sulfamethoxazoleWhat is penicillin exposure??Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? Choose one or more: A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells C.Enzymes that lyse blood cells (streptolysins) D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)
- This petri plate shows the susceptibility of Staphylococcus aureus to different antibiotics. Which antibiotic is least effective? a) Methicillin - Meth b) Control c) All are ineffective d) Ampicillin - Amp e) Vancomycin - Vanwhich of the folllwing would be considered broad-spectrum? a) penicillin V b) rifamycins c) vancomycin d) penicillin G e) erythromycinFor each of the following antibiotics, give the spectrum, primary effect and briefly explain the mechanism of action: 1) Penicillins 2) Po1yrrryxin B 3) Vancomycin 4) Tetracyclins