~6. You have collected a specimen from a patient who may have syphilis. What specific organism do you need to test for? (2 points) Which type of staining technique will be the best choice to use to diagnose if this organism is present in the specimen sample? Why is this the correct choice? (3 points)
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1.) What stain technique do you see here? 2. & 3.) What dyes were used for this stain? 4.) What specific structure is this test used to detect? 5.) Name an organism that could possibly yield the above result
Marlyn J.
Based on your observation of the indicated bacterium in this Gram stain, select ALL appropriate statements: The indicated bacterium is a spirochete. The indicated bacterium produces endotoxin (also known as lipopolysaccharide; LPS). The indicated bacterium has a strepto- formation. The indicated bacterium is a bacillus. The indicated bacterium is Gram-positive. Eosin Methylene Blue (EMB) or MacConkey agar would NOT be good choices of media to grow the indicated bacterium. The indicated bacterium is Gram-negative.
Farhan A.
B. This is a ________ stain that coats long whip-like appendages which aid in motility. The flagella arrangement type in this photomicrograph is: ________ (1/2 pt. each). C. This is a ________ stain that uses India ink or nigrosin and can be used to detect the presence of a ________ which is located exterior to the cell wall and prevents phagocytosis. (1/2 pt. each). CASE STUDIES: 1. CASE STUDY 1: A 45-year old female is experiencing respiratory issues. Based on her clinical presentation, the doctor orders a chest X-ray and a sputum for AFB culture. In addition to the culture, an AFB smear is made and stained. Based on the findings below, what is the most probable diagnosis? (1/2 pt.) : X-ray indicating some lung consolidation Sputum Smear Ziehl-Neelson Stain 2. CASE STUDY 2: A 64-year old diabetic patient is admitted to the hospital with soft tissue necrosis. A routine culture and gram stain is ordered. The bacteria only grew anaerobically. Based on the findings below, what is the most probable diagnosis? (1/2 pt.) : Gram stain Schaeffer-Fulton stain
Sri K.
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