A Urine Specimen Obtained from a Patient Went to the Microbiology

question 33

Multiple Choice

A urine specimen obtained from a patient went to the microbiology lab for a bacterial culture and antibiotic sensitivity testing.The specimen sat out on the processing counter for a couple of hours before being cultured.Twenty fours hours later, the lab report goes into the computer---over 100,000 bacterial cells per milliliter of urine.Which statement is an accurate assessment of these results?

• A)The bacterial count is not accurate since the culture sat without refrigeration.
• B)Not all bacteria will grow on bacteriological media, so the total count is grossly underestimated.
• C)Urine samples have to be taken from the kidney in order to get a true bacterial count.
• D)Urine is a sterile fluid as it leaves the body, so it is likely that the specimen was mishandled by the nursing staff when the sample was obtained.

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Definitions:

Injection

The act of administering a liquid, especially a drug, into a person's body using a syringe and needle.

Cries

Vocalizations or sounds made as expressions of distress, pain, or discomfort.

Truth-functional

Pertaining to logical operations whose truth values depend solely on the truth values of their component propositions.

Quantifier

A term in logic that specifies the quantity of specimens in the domain of discourse that satisfy an open formula.