Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 8, Problem 2CA
The acid-fast stain is used to detect Cryptosporidium protozoa oocysts in fecal samples. Which of the following would you expect to be a major component of the oocyst wall: carbohydrates, lipids, or proteins?
What disease is caused by Cryptosporidium?
In 1993, Milwaukee experienced the largest outbreak of Cryptosporidium in the United States. The
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Chapter 8 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Ch. 8 - What are the large blue-stained areas on the...Ch. 8 - What is the decolorizing agent in the Gram stain?...Ch. 8 - Prob. 3QCh. 8 - What is phenol (carbolic acid), and what is its...Ch. 8 - Prob. 5QCh. 8 - How might the acid-fast characteristic of...Ch. 8 - In 1882, after experimenting with staining...Ch. 8 - Clinical specimens suspected of containing...Ch. 8 - The acid-fast stain is used to detect...
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- Illustrate the life histories of the parasites Trypanosoma brucei rhodesiense and Plasmodium vivax. please include a flowchart for both.arrow_forwardGiardia intestinalis (old species designation was lamblia)- flagellated protozoa in a fecal smear. Must look for the trophozoites (metabolizing stage that look a bit like little faces- label them as such as well as flagella. They have 2 nuclei which are what appear as "eyes"). (1000x). Include some background material in drawing since it is not a pure culturearrow_forwardFor the following two images, label as many structures as possible and describe the functions. The more colorful and full image is a Fucus male conceptacle at 100x magnification. The other image is of "bacteria types w.m." at 400x magnification.arrow_forward
- 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 ....arrow_forwardLabel the conidia and conidiophore in Figures 4.7 and 4.8. Compare them by filling up the table.arrow_forwardWhy is an infected person with diarrhea less likely to transmit giardiasis than one who has formed stools?arrow_forward
- A California farmer developed a low grade fever, myalgia and cough. A chest X ray revealed an infiltrate in the lungs. Microscopic examination of the sputum revealed round, budding cells. A sputum culture grew mycelia and arthroconidia. What organisms is most likely the cause of the symptoms? What is causing the man’s disease? How is this disease transmitted? How might it be prevented?arrow_forwardAll of the following are protozoan diseases of the gastrointestinal tract, acquired by ingesting cysts EXCEPT: Cryptosporidiosis Amoebic dysentery Giardiasis Trichomoniasis None of the other four answers (All are protozoan Gl diseases acquired by ingesting cysts)arrow_forwardCorrect the answerarrow_forward
- Protozoan Infections Helminth Infestation Transmission Leishmaniasis, Chaga's disease, and African sleeping Adults can through sex, contaminated be seen with Multicellular the naked parasites vehicles, or vectors sickness eye Life cycle involves egg and larval stages Trypanosoma Trophozoite/Cyst Larvae Usual sources are Single- celled contaminated food/water or parasites infected Reduviid Bug animalsarrow_forwardA pregnant woman has got pre-term delivery, with low weight baby girl. After while the baby got slightly yellowish vaginal discharge. The discharge sample show the jerky movement of an organism. What is your diagnosis? Both of them Cyst of Trichomonas vaginalis None of them O Trophozoite of Trichomonas vaginalisarrow_forwardA group of 50 people attended a cookout. Ten days later, several people develop abdominal cramps and diarrhea. An investigation of this outbreak considers a variety of causal agents, including parasites. Among the following parasites, which one is the LEAST LIKELY to have caused the outbreak? O Taenia solium O Balantidium coli O Entamoeba histolytica O Giardia lambliaarrow_forward
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