Systemic Infection microbio Welcome to Systemic Infection quiz ข้อสอบมีทั้งหมด 3 parts ทั้งหมด 13 ข้อ 1. A 20-year-old farmer presents with a high-grade fever and jaundice for 3 days. 7 days ago, he had a high-grade fever, myalgia, nausea and vomiting. He also had frontal headache and retro-orbital pain. 3 days later, the fever still persisted, the muscle tenderness in increased especially at both calf and abdomen, his wife observed that the patient eye became yellow. The vital signs reveal BP 100/70 mmHg, BT 38.5°c, PR 120/min, RR 24/min. The physical examination reveals marked icteric sclera, hepatosplenomegaly, no rash, stiff neck negative and healed abrasion wound at left calf. What is the most likely causative organism? Influenza virus Leptospirosis interrogans Dengue virus Hepatitis virus 2. What is the test that you can see the organism? Gram staining of CSF Gram staining of urine Dark field examination of CSF Dark field examination of urine 3. What is the structure using for movement of this organism? Cilia Exoflagella Pseudopod Endoflagella 4. A 30-year-old man presents with a fever for 2 weeks. Last 3 weeks he had come back from a trip in India. Two weeks ago, he had fever with chill and malaise. One week later, he developed an abdominal pain and diarrhea for two days. The physical examination reveals BT 38.5c, PR 80/min and hepatomegaly. The stool culture and blood culture were performed. The gram staining from hemoculture as in the first picture. The second picture are stool culture. What is the clinical diagnosis and the causative agent in this patient? Enteric fever/Salmonella (para)typhi Enteric fever/Nontyphoidal salmonella Acute gastroenteritis/salmonella (para)typhi Acute gastroenteritis/Nontyphoidal salmonella 5. Which serogroup of this organism can be? serogroup A serogroup B serogroup C serogroup D All of above 6. According to the above picture, what is the name of the agar subsequently? SS agar, TCBS agar, Blood agar SS agar, BCYE agar, chocolate agar MacConkey agar, BCYE agar, blood agar MacConkey agar, TCBS agar, chocolate agar 7. Which statement is true about first agar in the picture (yellow color)? a. The black color means the bacteria can produce thiosulfate. b. The black color means the bacteria can produce hydrogen sulfide. c. The yellow color of the agar means the bacteria can ferment glucose. d. The yellow color of the agar means the bacteria can ferment lactose. 8. The biochemical tests are showed in the below picture, what is the result of TSI? A/A with H2S, no gas K/A with H2S, no gas K/K with H2S and gas A/K with H2S and gas 9. 40-year-old man with AIDs presents with fever and productive cough for three weeks. He also complained dyspnea and malaise. The physical examination revealed BT 38C, BP 110/70mmHg, PR 100/min, RR 26/min, mild pale conjunctiva and crepitation sound both lungs and PPE. The CXR revealed reticulonodular infiltration. The sputum gram and modified AFB staining was showed in picture. What is the most likely causative organism? Norcardia spp. Streptomyces spp. Pseudallescheria spp. Cladophialophora spp. 10. Which component of this bacteria can dye with mAFB stain? capsule mycolic acid peptidoglycan ipopolysaccharide 11. What is the different between AFB and modified AFB stain? The decolorizer (AFB: 3%HCl, mAFB: 1%H3PO4) The decolorizer (AFB: 3%HCl, mAFB: 1%H2SO4) AFB use cold technique, mAFB use hot technique AFB use hot technique, mAFB use cold technique 12. If the sputum gram and mAFB staining of this patient change in to this picture what is the most likely causative agent? Tsukamurella spp. Rhodococcus equi Staphylococcus aureus Streptococcus pneumoniae 13. According to the question 4, which stagement is false about this organism? This organism can cause disease in horses. This organism are anaerobic actinomycetes. The colony of this organism has salmon-pink color. Rudimentary branching can be observed in the direct examination.