An ASO test was performed on the serum from a 10-year-old female patient with the following results: no hemolysis in the 1:10, 1:20, 1:40, and 1:80 tubes; and hemolysis in the 1:160, 1:320, and 1:640 tubes. What conclusion can you draw from these results?

A) The titer is 1:640, and the patient may have glomerulonephritis.
B) The titer is 1:160, and the patient may have rheumatic fever.
C) The titer is 1:80, and the patient is normal.
D) The test is invalid and must be repeated.


Ans: C) The titer is 1:80, and the patient is normal.

Biology & Microbiology

You might also like to view...

Which is true of the base pairing seen between two DNA strands?

A. Adenine bonds with guanine. B. Guanine bonds with thymine. C. Thymine bonds with cytosine. D. Cytosine bonds with guanine E. Guanine bonds with thymine.

Biology & Microbiology

The separation of members of a gene pair from each other during gamete formation is called ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

A vasectomy _____

A) eliminates spermatogenesis B) eliminates testosterone synthesis C) prevents implantation of an embryo D) prevents sperm from exiting the male urethra

Biology & Microbiology

Which of the following dermatophytes infects hair as well as skin?

A) Microsporum canis B) Malassezia furfur C) Fonsecaea pedrosoi D) Epidermophyton floccosum E) Trichophyton rubrum

Biology & Microbiology