Entamoeba - Study guides, Class notes & Summaries

Parasitology Exam II Chapter Questions And Answers Oocysts found in human feces Cystoisospora belli Commonly causes relapses of malaria Plasmodium vivax Transmitted by tsetse fly T. brucei gambiense Pathogenic intestinal flagellate Giardia lambila How would you differentiate Entamoeba hystolytica from entamoeba dispar in a fecal smear? Both are morphologically identical. E. histolytica trophozoites will have ingested RBCs. Further confirmation using immunologic procedures

extracellular enzymes - increase protection against host defenses and attack and kill host defensive cells to enable spread of infection two extracellular enzymes - coagulase & hyaluronidase coagulase - -pathogen produces coagulase -coagulase causes formation of a clot around pathogen -kinase causes breakdown of a clot -bacteria is released into blood hyaluronidase - -pathogens approach epithelium -pathogens produce hyaluronidase -pathogen can now invade deeper tissues Bacterial toxins...

1. Which of these are spore-producing structures? A) sporanguim of a moss B) antheridium of a moss or fern C) archegonium of a moss or fern D) gametophyte of a moss - A) sporanguim of a moss 2. Which of the following is true of the life cycle of mosses? A) The haploid generation grows on the sporophyte generation. B) Spores are primarily distributed by water currents. C) Antheridia and archegonia are produced by gametophytes. D) The sporophyte generation is dominant. - C) Antheridia and...

2 advantages to lysogeny for virus - ️️-phage remains viable but may not replicate -multiplicity of infection ensures survival of host cell A bacteria shaped as 4 spheres in a square is known as - ️️tetrads A bacteria shaped as a chain of spheres is known as - ️️Streptococci A bacteria shaped as a cluster of spheres is known as - ️️Staphylococi A bacteria shaped as a cubic formation of 8 spheres is known as - ️️Sarcinae A bacteria shaped as a pair of spheres is known as...

Dysentery Severe diarrhea with blood and muscus in the stool. Indicative of inflammation of the intestines. [Entamoeba histolytica] Steatorrhea The presence of greater than normal amounts of fat in feces which are frothy, foul smelling and floating. Tenesmus Intense, constant and painful urge to defecate although the bowels are already empty. Little to no stool will actually be passed. Trophoziote Active, motile feeding stage of the life cycle of coccidial parasites. Can survive for l...

Exam 2: NSG123 / NSG 123 (Latest 2024 / 2025 Update) Medical-Surgical Nursing I | Guide with Questions and Verified Answers | 100% Correct - Herzing Q: What is an abdominal x-ray used for? Answer: Useful for determining the cause of symptoms. Free air in the peritoneum and bowel dilation or obstruction should be excluded as a source of the presenting symptoms. Q: Ulcerative Colitis Assessment Findings Answer: The stool is positive for blood Laboratory test results reveal low hematocrit and hemog...

S. pyogenes RF- follows what and what is cause? pharyngitis-- T2HSr S. pyogenes ASGN- follows what and what is cause? impetigo --> T3HSR CO poisoning BG cerebellum hippocampus MOA of methyldopa false nt--> acts as partial agonist at alpha 2--> centrally acting MOA and SE of azathioprine? precursor of 6-mercaptopurine inhibits lymphocyte proliferation by blocking nucleotide synthesis SE: leukopenia, anemia, thrombocytopenia **DEGRADED BY Xanthine oxi...

Parasitology Exam 2023/2024 with Verified & Updated Solutions Dysentery - ANSWER ️️ Severe diarrhea with blood and muscus in the stool. Indicative of inflammation of the intestines. [Entamoeba histolytica] Steatorrhea - ANSWER ️️ The presence of greater than normal amounts of fat in feces which are frothy, foul smelling and floating. Tenesmus - ANSWER ️️ Intense, constant and painful urge to defecate although the bowels are already empty. Little to no stool will actually be pas...

clin med exam 3 parasitic infection - ANSWER-less common than bacterial or viral infections most common are protozoa giardia common waterborne worldwide entamoeba also worldwide much more common in tropical regions common locations to get infected with parasites - ANSWER-underdeveloped countries camping recreational activities in the summer sewage spills major organs of GI tract - ANSWER-esophagus stomach duodenum small intestine large intest

Entamoeba hystolytica - Correct Answer-Inverted Flask shaped lesions, Protozoa, Dysentery: Blood and pus in stools, Liver abscesses, Cyst in water with multiple nuclei, Nuclei have sharp central karyosome and fine chromatine "spokes", Metronidazole Followed with Iodoquinol. Giardia lamblia - Correct Answer-Ventral Sucking disk, Protozoa, Fatty foul smelling diarrhea: Malabsorption Syndrome (duodenum and Jejunum), Cyst in water can contain up to four nuclei, often seen in campers a...