𝒔𝒂𝒕𝒊𝒔𝒇𝒂𝒄𝒕𝒐𝒓𝒚 𝒂𝒏𝒂𝒍𝒚𝒛𝒆𝒔🔩

#Middlebrook 7H9 broth #BHI broth ذني الأوساط استخدمهم 👇👇👇 Mycobacterium spp.

#مصطلحات_مهمة 🟠bacteraemia #bacteria as detected by culture of blood. البكتيريا وحدها بالدم 🟠Septicemia #bacteria + #toxin in blood البكتيريا هي والسم مالتها بالدم 🟠 transient bacteremia 👉 less than 30 minutes تبقى أقل من نص ساعة 🟠 intermittent bacteremia 👉extravascular site موقعا خارج الاوعية 👉enter the lymphatics at irregular intervals, and from there, to blood. تدخل اللمف وتروح للدم 🟠continuous bacteremia 👉 intravascular source داخل الأوعية 👉#endocarditis مثال

#اختبار #IMVIC عبارة عن أربع اختبارات I- #lndol M- #Methyle_red (MR) V- #voges_Proskauer (VP) C- #Citrate 🟢E. coli 👉 + + - - 🟢Morganella morganin👉 + + - - 🟢Proteus vulgaris 👉 + + - - 🟣Shigella sonnei👉 - + - - 🟣Salmonella typhi👉 - + - - ⚪Klebsiealla pneumoniae 👉 - - + + ⚪Klebsiella oxyloca 👉 - - + + ⚫Proteus mirabitis👉 - + - + #مهم_جدا

◾معلومة من احد الطلبة : الـ E.coli و Klebsiella الإثنين يخمرون لاكتوز زين شلون نفرق بيناتهم يتم عن طريق على انه : 🔴E.coli : _ positive for indole test. _ negative for urea test. 🔴Klebsiella : _ positive for urea test. _ negative for indole test.

🟢Virus sample is mixed with cells by process called …………….. . A. absorption B. adsorption C. distraction D. All of them E. A&B الجواب 👈 B بأجر يجي

🟢……………..is method that can take a picture of a whole virus and can reveal its shape and structure. A. Electron microscopy B. Light microscopy C. Dark field microscopy D. All of the above E. None of the above الجواب 👈 A 🟢Presence of ……..in the blood of the host is used to test for acute infection, whereas..…… indicates an infection sometime in the past. A. IgM, IgA B. IgM, IgD C. IgG, IgM D. IgM, IgG E. All of the above الجواب 👈 D 🟢 remains the gold standard for identifying viruses that do not show up on routine tests. A. staining B. Electron microscope C. culture D. All of them E. None of them الجواب 👈B

🟢 Nucleic acid of virus is: A. DNA B. RNA C. DNA or RNA D. DNA & RNA E. All of the above الجواب 👈 C 🟢Viruses grow on A. Dead cell B. lives cell C. Synthetic media D. Semi Synthetic media E. None of the above الجواب 👈 B

يا خلايا ؟ #Vero #MRC5 #HEp-2

الفيروس وين ازرعة ؟ 👉 #Cell_culture بالخلايا

عينات الفيروسات والبكتيريا لازم اخليها بدرجة #4C

🟠Standard approaches to the laboratory diagnosis of Fungal Infections include: A. Direct microscopic examination. B. Histopathological demonstration of fungi. C. Culture of the causative fungus yeasts. D. All of the above الجواب D

🟢Common laboratory tests used for diagnosis parasitic infections are A. A fecal (stool) exam B. Endoscopy/Colonoscopy C. Culture Methods D. Blood tests E. All of them الجواب E 🟢Which one of the following test used to find parasites that cause diarrhea or watery stools. A. A fecal (stool) exam B. ova and parasite test (O&P) C. Both A+B D. Endoscopy/Colonoscopy E. None of the above الجواب C 🟢……….. is used when stool exams do not reveal the parasitic causes of illness. A. Colonoscopy B. Endoscopy C. A fecal (stool) exam D. ova and parasite test (O&P) E. All of the above الجواب B 🟢………….culture used for recovering larvae of nematodes such as Hookworms, Strongyloides stercoralis. A. Harada-Mori B. NIH medium C. Novy-MacNeal-Nicole D. Nelsons medium E. None of the above الجواب A

Clostridium perfringens 👉#Anaerobic لا هوائية

#Gas_gangrene or #myonecrosis الغرغرينا الغازية أو النخر العضلي منو يسبب هذا المرض ؟ Clostridium perfringens

#مهم #Bacillus_anthracis تنتج 3 سموم #Clostridium_perfringens تنتج 12 سم #Clostridium_tetani تنتج 👉#tetanospasmin

Bacillus anthracis يا مرض تسبب 👉#Anthrax.

👉infective endocarditis 👉Staphylococcal scalded skin syndrome (SSSS) 👉impetigo or cellulitis 👉toxic shock syndrome (TSS). ذني الأمراض تسببهم #S.aureus

Folliculitis, furuncles, and carbuncles ذولي الثلاث إصابات تسببهم S.aureus #مهم

Acute otitis media إلتهاب الاذن الوسطى الحاد اسبابه #Hemophillus_influenzae #Strep.pneumoniae #Morexella_catarrhalis #مرشح

ليش الدموع بيها كائنات دقيقة قليلة لأن تحتوي #Iysozyme