What is the mechanism for human get infected with the pathogen that causes giardiasis
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- Some S. aureus stains have a number of virulence factors including O Lipase which convey resistance to lipids and staphlokinase which clots the blood. O Lipase which digests lipids and B-lactamase which breaks the matrix between cells. O coagulase which dissolves blood clots and staphlokinase which clots the blood. coagulase which clots the blood and B-lactamase which conveys resistance to penicillin. Question 26 A patient has an infection caused by a bacterial species that produces Deoxyribonucleases, M protein, Streptokinases, Streptolysin S, Exotoxin A, and Hyaluronidase. Which disease does this person have? O Shigellosis O Necrotizing fasciitis O Pertussis Rabies 12 MacBook Air ....Each of the following statements concerning Trichomonas vaginalis is correct EXCEPT: O Vaginalis causes bloody diarrhea. Vaginalis can be diagnosed by visualizing the trophozoite. Vaginalis is transmitted sexually. Vaginalis can be treated effectively with metronidazoleExplain the means by which cats, rodents, birds, domestic animals,and people are infected with Toxoplasma gondii.
- Which of the following is NOT true about trachoma? The infectious form of the pathogen is called an “elementary body". Transmitted by hand contact or sharing personal objects Caused by Chlamydia trachomatis, which is a type of DNA virus Blindness is caused by long-term abrasion of the cornea It is the leading infectious cause of blindness in the worldYou have heard of many incidences of Chickengunya in our country. Name the vector of the disease.Which of the following organisms is the causative agent for a venereal disease? Yersinia pestis Treponema pallidum Leptospira interrogans Klebsiella pneumoniae
- Why might the absence of a parasitic nematode in the bloodnot be a definitive proof that a patient is not suffering fromelephantiasis?How is salmonella typhi transmitted? Include ALL the mechanisms can be transmitted. indirect transmission (airborne, vehicles, vectors – what are the vehicles/vectors?) direct transmission (direct contact – how?) vertical transmission – how? horizontal transmission – how?Which of the following is true about Borrelia? Borrelia is transmitted through cat bites Erythema migrans is a typical symptom of Borrelia infection Borrelia infection can lead to neurological symptoms There is a vaccine against Borrelia Lyme disease is caused by a virus
- C. jejuni infects which organ system? Respiratory O Nervous Circulatory O Integumentary O GastrointestinalWhich bacteria are usually to blame for acute endocarditis? Strep pyogenes Staph epidermidis Staph aureusExplain 4 patholigical features associated with each of the following diseases caused by parasite. i) Trypanosoma gambiense ii) Giardia lamblia Use your knowledge and the mode of life of the above parasites to explain how diseased caused by these parasites could be controlled.