13.1: Introduction

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Overview

The concept behind the case studies presented in Lab 12 used to illustrate the Enterobacteriaceae and Pseudomonas is for you and your lab partners as a group to:

1. First come up with a valid diagnosis of the general type of infectious disease seen in your case study and then identify the bacterium causing that infection, and

2. Support your diagnose based on:

a. Any relevant facts in the patient’s history. (A reliable on-line source will be used to support this.)
b. The patient’s signs and symptoms. (A reliable on-line source will be used to support this.)
c. Each of the individual lab tests given in your case study.
d. All microbiological lab tests you performed as part of the project.

The due date for this report can be found on the class calendar. Your grade for this lab is based on the completeness of your report and written evidence of the critical thinking process that went into making and supporting your diagnosis. Remember, you are trying to convince your instructor that you understand how the diagnosis was made by supporting that diagnosis with data.

Grading:

The lab 12 Lab Report is worth 33 points each.

These case studies are based in part on your in-class participation as part of your group. Therefore:

a. If you were not in lab when the inoculations with your unknown were performed, 3 points will be deducted from your Lab Report score for labs 12, 14, and 15; 6 points from your Lab Report score for the Final Project.

b. If you were not in lab when the results of your lab tests were observed, 3 points will be deducted from your Lab Report score for labs 12, 14, and 15; 6 points from your Lab Report score for the Final Project..

c. For each day your Lab Report is late, 2 points will be deducted from your Lab Report score for labs 12, 14, and 15; 4 points from your Lab Report score for the Final Project.

Each person in the group must write and submit their own individual report and it cannot be the same as that of other members of that group. The rubric that will be used to grade this lab report can be found under this Assignment on Brightspace. The lab report will be graded using the rubric that can be found on Brightspace under Assignments/lab 12/13 Lab Report.

Be sure to handle all the bacterial cultures you are using in lab today as if they are pathogens! Be sure to wash and sanitize your hands well at the completion of today’s lab.

Also, make sure you observe several MacConkey agar plates and the Cetrimide agar plate used by others in your lab so that you can answer practical questions from Lab 12 and Lab 13. The Performance Objectives for Lab 13 tell you what you are expected to be able to do on the practical.

Contributors and Attributions

Dr. Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE COUNTY, CATONSVILLE CAMPUS)