Clinical Laboratory Improvement Amendments of 1988 was established to provide oversight to:

What has been the most dramatic change in microscopy in the last decade?

Which are helpful in monitoring quality control results?

The exam is 110 minutes. You will have an additional 15 minutes to print (if available), scan, and upload. If you submit after the allotted time, your exam will be considered late and may incur a late penalty. After you complete the exam, scan your solutions into one .pdf file. Please upload your completed exam file by clicking on the “Add File” button underneath Question 1’s blank answer field. Download exam file here: If your exam utilizes Gradescope’s Student App, Do NOT upload to Gradescope. You will only upload your scanned exam file to this D2L quiz.

Click here to begin MyOpenMath exam: www.myopenmath.com/bltilaunch.php?custom_place_aid=21645580

A 63-year-old asymptomatic female’s clean-catch midstream urine was inoculated onto sheep blood agar with a 1µl inoculating loop. It was also plated onto CNA and MacConkey agar. After 24 hours incubation, there were 185 colonies counted on the sheep blood agar. The colonies were white, creamy, nonhemolytic colonies on sheep blood agar and CNA. There was no growth on the MacConkey agar plate. Based on the attached chart, this specimen represents: Specimen Source Colony Count/ml (Pure Culture) Interpretation Suprapubic aspiration Gram negative bacilli; any number >99% probability of infection   Gram positive bacilli; >103 >99% probability of infection Catheterization >105 >99% probability of infection   104-105 Suggestive infection   103-104 Likely infection   105 >99% probability of infection Clean voided (female) >105 80% probability of infection   104-105 Indeterminate; treat as infection if pt is symptomatic

Exam 1 Equations.pdf  

The direct Gram stain of spinal fluid of a 5-week-old male shows gram positive cocci in chains and many neutrophils. Which of the following is the best combination for primary plating of this specimen?

Which of the following are phenotypical characteristics used for classifying bacteria?

Testing of a wound culture on the hand of a pet store owner reveals a Gram positive coccobacilli isolate that is catalase positive, oxidase negative, bile esculin positive, and H2S negative.  A co-worker suggests that considering the patient’s occupation, this organism should be worked up as an Erysipelothrix. You disagree because: