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what are the patient preparation reminders in direct fecal smear test?
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- what are the precautions that must be observed when preparing direct fecal smear?Identify whether the statements are TRUE or FALSE 1. You should use P-20 micropipettes to transfer volumes for spread plating. 2. You should use P-200 micropipettes to transfer volumes for pour plating.A sample from a 65-year-old man was brought tothe lab at 9am from a private clinic. Serumpotassium is 8.5 mmol/L. The test was repeatedand the same result is obtained. All laboratorychecks have been carried out and the result isanalytically valid. The doctor is called via telephoneand he reveals that the sample was taken at 4pmthe previous day by the nurse. a) Comment on the value of potassium obtainedb) What could possibly be the cause for such resultsobtained?c) What course of action would you recommend?
- Why are specimens for bilirubin testing protected from light? Discuss handling procedures for bilirubin samples.Name the frequently used stains in blood smear preparation. Describe brieflyand give their specific usesWhy is a 1:20 dilution of patient serum, rather than undiluted patient serum, used for the qualitative test?
- Depending on the purpose, the typhoid fever can be diagnosed in the laboratory by either of the following method, i) Widal, ii. Blood culture and iii. Nucleic acid based identification method. Write a brief essay comparing these three diagnostic tests. Your answer must contain the basis of identification of each test, what does it mean by positive and negative results and which test do you think to be useful for the identification of active patient and which test is/are useful for the screening of previously infected case. Which test is prerequisite to perform the antibiotic susceptibility pattern?In an activity about Preparation and Examiniantion of Direct Fecal Smear Provide the following: 1. Objective 2. Materials 3. Procedure 4. Sample drawing Answer 1,2,3,4Joseph is sick with tuberculosis and sneezed mucus all over his grandsona s teddy bear. The grandson now has tuberculosis. The teddy bear acted as a O transmitter O fomite O vector O host O reservoir
- Why should air bubbles be avoided in the preparation of fecal smears?What physical appearance (Solid, liquid, semi-solid) of following Media: Broth tube, agar slant tube, agar deep tube, and agar plate. What exactly am I testing when I Introduce an inoculum with a needle on an agar deep tube?On your own words, identify the different problems associated with routine blood smear preparation