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Determination of Average Concentration of Bacteria in Urine Sample

Number of colonies in sectors on MPA

The average concentration

of bacteria per 1ml

Sector A

Sector 1

Sector 2

Sector 3

1-6

--

--

--

<1,000

8-20

--

--

--

3,000

20-30

--

--

--

5,000

30-60

--

--

--

10,000

70-80

--

--

--

50,000

100-150

6-10

--

--

100,000

>200

20-30

--

--

500,000

>200

40-60

--

--

1,000 000 (106)

>200

100-140

10-20

--

5,000 000 (5x106)

>200

>200

30-40

--

10,000 000 (107)

>200

>200

60-80

1-8

over 100,000 000 (108)

* Zoonoses

LESSON 10 Date:

BACTERIOLOGICAL EXAMINATION of CLINICAL SPECIMENS (continued from lesson 9).

BACTERIA – the CAUSATIVE AGENTS OF ZOONOTIC DISEASES (plague, tularemia, brucellosis, and anthrax)

Table 21

The Scheme of Tube Agglutination Test for Serological Diagnosis of Tularemia

Ingredients

1

2

3

4

5

serum control

antigen control

Isotonic solution (ml)

1.0

1.0

1.0

1.0

1.0

--

1.0

Patient’s serum 1: 25 (ml)

1.0

pour out

1.0

--

The serum dilutions

1:50

1:100

1:200

1:400

1:800

1:25

--

Diagnosticum (drops)

3

3

3

3

3

--

3

Results:

CONCLUSION: The agglutination test is ______________ (positive/negative).

The titer of antibodies against antigens of Francicella tularensis is______.

The diagnosis of tularemia is (is not) confirmed.

Table 22

The Scheme of the Huddleson’s Test

(the Slide Agglutination Test for Serological Diagnosis of Brucellosis)

Serum - 0.08 ml

Antigen - 0.03 ml

Obtained dilution 1:50

Serum - 0.04 ml

Antigen - 0.03 ml

Obtained dilution 1:100

Serum - 0.02 ml

Antigen - 0.03 ml

Obtained dilution 1:200

Result:

Result:

Result:

Serum - 0.01 ml

Antigen - 0.03 ml

Obtained dilution 1:400

Serum - 0.03 ml

Isotonic saline - 0.03 ml

Serum control

Antigen - 0.03 ml

Isotonic saline – 0.03 ml

Antigen control

Result:

Result:

Result:

CONCLUSION: The slide agglutination test is _____________ (positive/negative).

The titer of antibodies against antigens of Brucella is__________.

Table 23

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