Lec 2 7-7 Prpf Aborashad Microbiology PDF

Prof AboRashad 00201012073853 - 0535799855 - X- @DrAborashad22 Question Image Questions ID What should be worn to protect against radiation? 51 Prof.Abo...

Prof AboRashad 00201012073853 - 0535799855 - X- @DrAborashad22 Question Image Questions ID What should be worn to protect against radiation? 51 Prof.AboRashad a-Lead apron b-Sun screen c-Reflective vest Radiation badge What the cause of Red and cloudy urine? 52 a-UTI b-Crystals c-Epithelial None Yellow-brown, or green-brown urine ,interprete? 53 a-Viral infection b-Bancroftian filariasis c-Obstructive jaundice d-Malaria haemoglobinuria Which bacteria can differentiate by Indole test? 54 a-E.coli - Klebsillia b-Staph aureus - S.pyogenes c-Shigella - Salmonella d-Vibro cholera – Campylobacter Which of the following is virulence factor of vibro 55 cholera? a-Lipid A b-Exotoxin c-Shiga toxin d-Entero toxin Which versatile medium used to differentiate bacteria 56 based on their ability to ferment sugars and produce hydrogen sulfide (H₂S).?Prof.AboRashad a-MaCconkey b-Blood agar c-TSI d-VP 45 years Presenting Complaint: Recurrent abdominal pain, 57 bloating, and occasional nausea Gastritis with H. pylori infection, diagnosed 5 years ago. how diagnose the H.pylori infection?Prof.AboRashad a-Stool Antigen Test b-Breath Test (Urea Breath Test) c-Stool Antigen Test d-All A 12-year-old boy presents with bloody diarrhea and 58 fever. Stool culture Campy agar reveals spiral or comma- shaped gram-negative bacilli. Which pathogen is most likely responsible for this clinical presentation?Prof.AboRashad a.Campylobacter jejuni b.Salmonella enteri C.Shigella flexneri D. Escherichia coli O157:H7 Identify?Prof.AboRashad 59 a-Brucella b-Bacillus anthrax c-Borella d-Bordetella Which type of (E. coli) cannot ferment sorbitol ? 60 a-Escherichia coli O157:H7 b-Escherichia coli O111 c-Escherichia coli K12 d-Escherichia coli O26 what is the conformatory test if bacteria grow on thyer 61 martin agar?Prof.AboRashad a-Catalase b-Coagulase c-Oxidase d-Urease Identify?Prof.AboRashad 62 a-E.coli b-S.aureus c-N. gonorrhoeae d-Proteus Identify? Prof.AboRashad 63 a-Syphilis b-TB c.C.diphtheria d.Staph Which media for culturing salmonella?Prof.AboRashad 64 a-Selenite F Broth b-TSI c-KIA d-SS Identify?Prof.AboRashad 65 E.coli Listeria Shigella brucella What is the purpose of the Pandy test when performed 66 on cerebrospinal fluid (CSF)?Prof.AboRashad To detect the presence of glucose To measure the specific gravity of CSF To identify elevated levels of Proteins To determine the presence of red blood cells A laboratory technician is working with a sample that 67 contains a pathogen known to cause a moderate level of disease within a community. Which biosafety level (BSL) should the technician follow to ensure safe handling of the sample?Prof.AboRashad BSL-1 BSL-2 BSL-3 BSL-4 What is the name of the serological test commonly used 68 to detect antibodies against the Epstein-Barr Virus (EBV)?Prof.AboRashad Western Blot ELISA Monospot test PCR Which of the following organisms can infect human by 69 penetration of skin?Prof.AboRashad Cercaria of schistosoma Entamoeba cyst AScaris lumbercoid egg Taenia saginata Enterobius vermicularis pin worm can diagnosis 70 by?Prof.AboRashad A. Skotch tab test B. Cellophan test C. Albert test D. stering or bealing test E. A and B Which of the folowing organnsms staned by silver stain 71 Legiionella pneumophilia Treponema pallidium Pneumocystis jirovecii All If a glass container containing chemicals breaks in the lab, 72 what action should be taken?Prof.AboRashad a-Place the broken glass in the regular garbage or ecycling container b-.Alert janitor staff to clean up the broken glass c-Dispose of the broken glass in a puncture-proof container d-Dispose of the broken glass in a puncture-proof container e-.Leave the broken glass where it is What should you do if a microscope slide breaks during 73 use? a-Continue using the microscope to finish the observation b-Carefully dispose of the broken slide and replace it with a new one c-Try to repair the broken slide with tape d-Leave the broken slide on the stage for later disposal What is the most common cause of both acute and 74 chronic hematogenous osteomyelitis?Prof.AboRashad Streptococcus pneumoniae Pseudomonas aeruginosa Staphylococcus aureus Haemophilus influenzae Which characteristic feature allows Candida albicans to be 75 differentiated from other Candida species? Ability to ferment lactose Presence of pseudohyphae Production of Chlamydospores Rapid urease activit  What does antibody affinity measure?Prof.AboRashad 76 The number of antigen-binding sites on an antibody The speed at which an antibody binds to an antigen The binding strength at a single antigen-bindingsite The overall strength of all binding sites on an antibody Which bacteria can grow at a refrigeration temperature of 77 4°C? Escherichia coli Listeria monocytogenes Staphylococcus aureus Bacillus cereus Which bacteria can grow at an elevated temperature of 78 42°C? Salmonella enterica Campylobacter species Lactobacillus acidophilus Clostridium perfringens What is the primary use of a tease mount in mycology? 79 To identify bacterial colonies To count bacterial cells To observe fungal structures /https://universe84a.com/lpcb-tease-mount To measure bacterial growth rate Which fungus is identified by its ability to form 80 chlamydospores? Aspergillus fumigatus Candida albicans Cryptococcus neoformans Pneumocystis jirovecii What differentiates Mycobacterium tuberculosis from 81 Mycobacterium kansasii? Growth rate Niacin production Spore formation Motility What is the purpose of MacConkey agar in microbiology? 82 a-To promote the growth of fungi b-To isolate anaerobic bacteria c-To selectively grow and differentiate enteric bacteria d-To culture viruses Which organism is used as a control on Mannitol Salt Agar 83 to ensure the medium is functioning properly? Escherichia coli Staphylococcus aureus Pseudomonas aeruginosa Lactobacillus acidophilus What is the first step in identifying an unknown yeast 84 isolate? Perform a lactophenol cotton blue stain Perform a germ tube test Inoculate on Sabouraud dextrose agar Conduct a urease test What technology does the BD BACTEC™ blood culture 85 system use to detect the growth of microorganisms? Colorimetric technology Fluorescent technology Bioluminescent technology Chemiluminescent technology Which type of crystal is commonly found in acidic urine? 86 Struvite crystals cholesterol Calcium oxalate crystals Cystine crystals What color change occurs in CLED medium when lactose 87 fermentation takes place? Red to yellow Green to blue Green to yellow Blue to green How many antibiotic discs are typically placed on a 9-10 88 cm diameter agar plate for antibiotic susceptibility testing? 2 3 5 8 Which bacteria require V factor for growth? 89 Streptococcus pneumoniae Haemophilus parainfluenzae Neisseria gonorrhoeae Corynebacterium diphtheriae What is the concentration range for agar in a solid 90 medium? %1.0 - 0.5 %2.0 - 1.5 %3.0 - 2.5 %4.0 - 3.5 What does the presence of IgG antibodies against 91 Varicella-Zoster Virus (VZV) typically indicate? Acute infection Past infection or immunity Need for immediate vaccination Non-immune status Why is it recommended to repeat a diagnostic test using 92 two different methods? To reduce the cost of testing To comply with regulatory standards To increase the speed of testing To improve the sensitivity of the test Which of the following is cleaner of lenses_ 93 Alchol bleach Alchol xylene What is the infective stage of Trypanosoma cruzi, the 94 parasite that causes Chagas disease? Promastigote Epimastigote Metamastigote Trypomastigote What type of personal protective equipment (PPE) should 95 be worn when handling broken glass?AboRashad Safety glasses Gloves Safety shoes Respiratory mask What the main component of the N.meningitidis vaccine? 96 Killed Neisseria meningitidis bacteria Live attenuated Neisseria meningitidis bacteria Purified polysaccharide capsular antigens Conjugated polysaccharide capsular antigens Which of the following types of fires can be extinguished 97 with an alkaline fire extinguisher? Class A fires (ordinary combustibles) Class B fires (flammable liquids) Class C fires (gaseous fuels) Class D fires (combustible metals) What is The meaning of this lab safety symbol 98 Corresive Toxic Harmful Explosive What is The meaning of this lab safety symbol 99 Corresive Harmful Toxic irretant Identify 100 Macroconidia Microconedia Hyphae Pseudohyphae