Question 1: You suspect that a patient has sepsis. A. What type of specimen would you collect to test the patient? Briefly describe the procedure for sample collection. B. What major tests will be performed? Briefly describe the tests. C. Describe one potential issue with specimen collection to test for sepsis.
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- Question 74 A patient's serology results report the presence of antibodies against diphtheria toxin. Which of the following statements is INCORRECT? Question 74 options: a) The patient may have the disease b) The patient may have been immunized c) The patient may have had the disease and has recovered d) The patient has not had the disease or received the vaccineWhich of the following is true of commensal bacterium? Question 2 options: A) commensal bacteria do not receive any benefit from its host B) commensal bacteria only colonize adult hosts C) commensal bacterium may also be an opportunistic pathogen D) commensal bacterium cannot cause an infection its hostQuestion 21 For which of the following infections would you collect a fecal specimen using a sterile green capped container with preservatives? Question 21 options: a) Preservatives are always used when collecting fecal specimens for suspected cases of gastroenteritis b) When collecting a fecal specimen for a suspected case of viral gastroenteritis c) When collecting a fecal specimen for a suspected case of protozoal gastroenteritis d) When collecting a fecal specimen for a suspected case of bacterial gastroenteritis
- A 82-year-old female patient presents with a non-productive cough that often ends in wheezing , and difficulty breathing with painful inhalations. A. What specimen might you collect? B. What tests should be run on the sample and the patient? C. What might be the cause of this respiratory infection? D. Proposed treatment?Which of the following techniques are not used to classify microorganisms? A-Serological tests b. Aseptic technique C Sterilization d. Streaking method question e. FiltrationQuestion 22 Which of the following represents the most common specimen collected in cases of lower respiratory tract infections? Question 22 options: a) Saliva b) Sputum c) Urine d) Throat swab
- Question 1: Describe what you see through the microscope as compared to how the word "roe" looked when you placed the slide on the stage. a) Describe what happened to the image as the total magnification was increased. In other words, how much of the specimen (the word roe) is visible at each level of magnification, 4x, 10x, and 40x? Question 2: Given the images you have seen, please consider how it would be to need to find the red and white blood cells on this slide. List at least 3 observations for the blood slide. When discussing a specific image, make sure to note the Total Magnificiation (TM). a) List another three observations below based on the bacterial slide images. Note the Total Magnification used when comparing blood and bacterial slides.Question 24 Which of the following specimens should be kept at room temperature to maintain the growth and viability of the causative pathogen? Question 24 options: a) Urine and blood samples should always be kept at room temperature b) Blood and cerebrospinal fluid for bacterial cultures should always be kept at room temperature c) Blood and fecal specimens should always be kept at room temperature d) Urine and sputum samples should always be kept at room temperatureQuestion 1 Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You’re concerned that it’s an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium or a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. What is one experiment you could do, involving culturing the organism? Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we have done/could do in our lab. What is a procedure you could do, involving making a slide of the organism? Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we have done/could do in our lab. Without testing anything, how do you know this is not a viral infection?
- the following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy hostWhich of the following is an important measure that may prevent bacterial contamination in tube feeding formulas? Question 71 options: a) Discarding opened containers of formula not used within 24 hours b) Adding formula to the feeding container before it empties completely c) Using the same feeding bag and tubing each day d) Adding the full days worth of formula to the bag at the start of each dayDiscuss the underlying premise of each test that will be performed in this experiment. a. Biuret Test b. Xanthoproteic Test c. Milson’s Test d. Hopkin’s Cole Test e. Reduced Sulfur Test