PhysioEx Lab Report Exercise 12: Serological Testing Activity 1: Using Direct Fluorescent Antibody Technique to Test for Chlamydia

2/20/26, 12:19 PM PhysioEx Exercise 12 Activity 1



PhysioEx Lab Report
Exercise 12: Serological Testing
Activity 1: Using Direct Fluorescent Antibody Technique to Test for Chlamydia
Name: Morris
Date: 20 February 2026
Session ID: session-

Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.

1 Which of the following has an epitope?

You correctly answered: an antigen.

2 Chlamydia trachomatis is

You correctly answered: a bacterium that reproduces inside its host cell.

3 The infectious form of Chlamydia that is spread from person to person is the
You correctly answered: elementary body that stains green in this activity.

4 The goal of the direct fluorescent antibody test is to test for the presence of
You correctly answered: antigen.


Experiment Results
Predict Questions
No Predict Questions
Stop & Think Questions
1 The source of the patient samples is

You correctly answered: epithelial scrapings.

2 What is the name for the specific part of the antigen that the antibody binds to?

You correctly answered: epitope.

3 Drag the first slide (patient A) to the fluorescent microscope.


Count the number of elementary bodies you see through the microscope (recall that
elementary bodies stain green), enter the number of elementary bodies.

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