SCI250 Week 5 Chapter 19 Integumentary System Quiz – Test Bank Section: Multiple Choice 1. The majority of the microorganisms on the surface of the human skin are ________ Gram-positive bacteria. Gram-negative bacteria. approximately equal numbers of Gram-positive and Gram-negative bacteria. Spore-forming bacteria. Enteric. 2. The outer layer of the skin is the _________ while the deeper layer is the _________ cutaneous‚ keratin. dermis‚ sebum. mucous‚ epidermis. epidermis‚ dermis. sebum‚ keratin
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IV. RESEARCH PLAN Statement of the Problem/ Objectives This study will be conducted to show the effectiveness of Cayenne Pepper and Garlic as an alternative Mosquito Killer. Specifically‚ it will be sought to answer the following questions: 1. Is Cayenne Pepper and Garlic as an alternative Mosquito Killer comparable to the commercial product in terms of: 2.1. Affordability 2.2. Effectiveness 2. What are the properties of Cayenne Pepper and Garlic that can kill mosquitoes
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Annelids‚ Nematodes‚ Arthropods and Molluscus. Annelids have long‚ thin‚ soft bodied divided into segments or rings. Nematodes have thin‚ cylindrical bodies that are not divided into segments. Arthropods are divided into 4 groups: Myriapods : have 1 pair
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Soil-transmitted nematode infections can be prevented by avoidance of faecal soil contamination (adequate sewerage disposal) or skin contact (wearing shoes)‚ and by strict personal hygiene. Fig 1:Ancylostomiasis‚Life cycle of
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Tapeworms are the dominant member of the class Cestoidea. They are ribbon-like‚ segmented creatures living in the intestines of their vertebrate hosts. There are a dozen orders in this class‚ most living in fish but two that use humans as hosts. Tapeworms cling to the intestinal wall of their hosts with suckers‚ hooks‚ or other adhesive devices. Having no mouth or gut‚ they receive their nourishment through their skin. Further‚ they have no type of sensory organs. White or yellowish in color‚ species
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GLADSTONE ROAD AGRICULTURAL CENTRE CROP RESEARCH REPORT NO. 1 TUBER QUALITY AND YIELD OF FOUR SWEET POTATO VARIETIES EVALUATED DURING 2007 Kenneth VA Richardson Department of Agriculture Nassau‚ Bahamas November 2009 ABSTRACT A variety trial was conducted on four sweet potato varieties from April to October 2007 at the Gladstone Road Agricultural Centre. The variety ‘Six Weeks’‚ which is an early maturing variety with white flesh and high dry matter content‚ produced the highest marketable yield
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Four major types of parasites: * Helminthes * Nematodes * Round worms * Cylindrical * Blood‚ tissue and intestinal * Trematodes * Flukes * Leaf-like worms * Flat worms * Cestodes * Flat or tapeworms * Segmented * Protozoans (non-helminthes) * Imaginary parasites * Malarial parasites * Miscellaneous parasites * Immuno-compromised parasites 3 Stages of eggs:
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Substantial Content I. Importance of natural method of pest control The problem with broad range conventional pesticides is that they not only kill the bad bugs‚ but they rub out the good bugs‚ too. A garden without natural predators means a world of insects gone wild. There’s nothing left to keep pest levels in check. In fact‚ chemicals can mean double trouble because although you wipe out the first wave of pests‚ the second wave which is not the usual pest‚ but another insect moving into the
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composition of cells. By examining the pond water with the 100X lens‚ the student was able to differentiate and classify 1) the cyanobacteria: nostoc due to its distinctive S shape and beads with surrounding cells‚ 2) two nematodes (phylum nematoda) parallel to one another (the nematodes appeared as slender worms‚ colorless‚ and encompassed of cells)‚ and 3) the cyanobacteria: anabaena‚ which was blue-green in its feature with long filaments of cells (resembling a seaweed structure). By examining the
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body. Dual thinner openings on the adjacent flanks of the tail whip are existent for the phasmids ensilla at the intersection of the seam cells and the tail hypodermis. The alae a set of ridges present on the body cuticle laterally and provide the nematode to stretch in the course of flexible gestures (http://www.wormbook.org/). The body wall of the hypodermis is assembled by syncytium (hyp 7)‚ five smaller syncytial cells in the head that has sequences of concentric rings and three mononucleate and
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