Normal Microbiota - body 0.0 / 5 ? OtherLife on EarthUniversityNone Created by: MariaC5Created on: 15-01-18 15:14 Adult human body made up of how many eukaryotic cells. 10^13 1 of 36 Which is not a host characteristic that affects the normal microbiota? Height 2 of 36 Which is not a sterile site? Mouth 3 of 36 The skin is what kind of environment? Hostile 4 of 36 The skin has an intact --? Stratum corneum 5 of 36 The skin has - moisture content & - salt content low, high 6 of 36 The pH in the stomach is acidic 7 of 36 The bacteria on the skin is either? Resident or transient 8 of 36 Staphylococci survive on surface, for example? S.epidermis 9 of 36 What survives in the skins oil glands? Propionibacterium acnes 10 of 36 In the mouth, microorganisms grow in the form of? biofilms 11 of 36 Streptococcus spp. stick to teeth then what develops? Microbial communities 12 of 36 After Streptococcus stick to teeth and microbial communities develop what happens? Anaerobes grow in the gingival crevice 13 of 36 In the nose and throat, Staphylococci & Streptococci grow where? Just inside the nares 14 of 36 What pH range is the stomach? 2-3 15 of 36 In the stomach, Helicobacter pylori does what? Drills into mucus lining the stomach 16 of 36 Helicobacter pylori in the stomach is carried by what % of the population? 50% 17 of 36 Helicobacter pylori in the stomach is carried by what % of the population asymptomatically? 80% 18 of 36 The Duodenum, Jejunum and Ileum are parts of what? Small intestine 19 of 36 pH ranges from - in duodenum to - in ileum 5.7 , 7.5 20 of 36 Bile, shear forces and proteolytic enzymes do what? Inhibit colonisation 21 of 36 Two acid tolerant species in the duodenum species are? lactobacillus and streptococcus 22 of 36 In the jejunum the dominant species are similar to duodenum? True 23 of 36 Enterococci are also commonly isolated where? Jejunum 24 of 36 Microbial community in the ileum derived from where? Jejunum & large intestine 25 of 36 Composition of microflora not affected by host diet in ileum? False 26 of 36 Large Intestine is the largest microbial population of the body? True 27 of 36 In the large intestine, how many species are there? >400 28 of 36 How many microorganisms does an adult excretes per day? 3x10^13 29 of 36 Upper part of genitourinary tract (kidneys & ureters) are free from microbes? True 30 of 36 The pH ranges in the male genitourinary tract from? From slightly acidic (urine) to slightly alkaline (semen) 31 of 36 What is the pH of the female genitourinary tract? 6 32 of 36 The female genitourinary tract is colonised by how many species? 2-11 33 of 36 What is not part of host nutrition? Provide nutrients to tissues 34 of 36 Metabolic diversity of gastrointestinal bacteria may aid detoxification of potentially harmful dietary compounds, is what? Detoxification 35 of 36 Germ free animals have reduced gastrointestinal capillary network and immune system, is what? Host Development 36 of 36
Comments
No comments have yet been made