Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 25, Problem 10R
Summary Introduction
To review:
A flagellated organism surviving in water, when its cyst is ingested, and the trophozoite grows in the intestine and cause diarrhea.
Introduction:
Microorganisms that have the ability to cause infectious diseases are called as pathogens. Such microorganisms include bacteria,
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Chapter 25 Solutions
Microbiology: An Introduction
Ch. 25 - Complete the following table:Ch. 25 - Complete the following table:Ch. 25 - DRAW IT Identify the site colonized by the...Ch. 25 - Prob. 4RCh. 25 - Prob. 5RCh. 25 - Explain how the following diseases differ and how...Ch. 25 - Prob. 7RCh. 25 - Complete the following table:Ch. 25 - Look at life cycle diagrams for human tapeworm and...Ch. 25 - Prob. 10R
Ch. 25 - Prob. 1MCQCh. 25 - Prob. 2MCQCh. 25 - Prob. 3MCQCh. 25 - Gastric ulcers are caused by a. stomach acid. b....Ch. 25 - Microscopic examination of a patients fecal...Ch. 25 - Prob. 6MCQCh. 25 - Identification is based on the observation of...Ch. 25 - Prob. 8MCQCh. 25 - Prob. 9MCQCh. 25 - This microbe is frequently transmitted to humans...Ch. 25 - Why is a human infection of trichinella considered...Ch. 25 - Complete the following table:Ch. 25 - Match the foods in column A with the microorganism...Ch. 25 - Which diseases of the gastrointestinal tract can...Ch. 25 - Prob. 1CAECh. 25 - Prob. 2CAECh. 25 - Prob. 3CAECh. 25 - Three to 5 days after eating Thanksgiving dinner...
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- A 31 year old male who emigrated from Mexico 3 years prior to admission, was brought to the hospital by his family with a convulsions and Epileptic seizures. He had been previously healthy. A CT scan of the head showed multiple small cystic and calcified lesions. Blood count analysis shows low eosinophil levels. What kind of parasite that give this symptom? Extraintestinal infection of Entamoeba histolytica cyst Taenia solium larva cysticercus cellulose Ascaris lumbricoides larva migration O Taenia saginata adult worm O Option 5arrow_forwardThe large unicellular organisms have been observed in the vagina smear of a female patient with the symptoms of the inflammatory process of urogenital apparatus. The cell bodies of the organisms were pear-shaped with pointed posterior part, large nucleus and undulating membrane. What protozoans were found in the smear? Select one: a. Trichomonas vaginalis O b. Trypanosoma brucei gambiense O c. Lamblia intestinalis d. Toxoplasma gondii e. Trichomonas hominisarrow_forwardLabel the stages of the Trypanosoma cruzi life cycle as well as the form of the parasite in each stage. Drag the appropriate labels to their respective targets..arrow_forward
- Each of the following statements concerning Entamoeba gingivalis is correct EXCEPT O Normal habitat large intestine O Trophozoite is diagnostic, infective, and pathogenic stage ODirectly transmitted from person to person. O Is an opportunistic protozoa.arrow_forwardWhy is an infected person with diarrhea less likely to transmit giardiasis than one who has formed stools?arrow_forwardTrichomonas vaginalis may exhibit multiple flagella. True Falsearrow_forward
- One of the most characteristic symptoms of malaria is the alternation of attacks (involving a cold phase, a hot phase, and a sweating phase) with periods of 1 or 2 days of no or few fevers. Given the life cycle of Plasmodium what is the best explanation for this pattern: When free in the blood, merozoites release chemicals that directly cause body responses. Merozoites appear in coordinated “waves”, which explains the cycling attacks Merozoites entering the red blood cells generate a strong response from the red blood cells, which stimulates a massive immune response Attack phase correlates with simultaneous bursting of infected red blood cells, releasing thousands or millions of merozoites. This triggers massive immune response, resulting in symptoms Plasmodium generates a constant accumulation of irritants in the blood, mostly residues from digesting hemoglobin . Once the amount reaches a critical level, these trigger a massive immune responsearrow_forwardWhy can superficial mycoses in humans lead to bacterial infections?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_forward
- Draw a labeled diagram of structure of spore of Riccia.arrow_forwardTrichomonas vaginalis is a Protozoa transmitted via sexual intercourse by what type of infective stage? Cyst Trophozoite Cyst and Trophozoite Eggs Question 26 To exterminate the disease African Trypanosomiasis caused by the Protozoan Trypanosoma brucei spp. which intermediate host should be eliminated? Cattle Pig Anopheles mosquito Glossina flyarrow_forwardWhat parasitic disease is this person affected by? How did he get infected? How is diagnosis of the disease confirmed?arrow_forward
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