CASE HISTORY Lashandra Is 24 Years Old and Had Been Experiencing Increased

question 16

Multiple Choice

CASE HISTORY
Lashandra is 24 years old and had been experiencing increased frequency of urination and dysuria (pain or burning with urination) over the previous three days.This was the first time Lashandra had ever suffered from persisting dysuria.She consulted her general practitioner,who requested a midstream specimen of urine.Upon microscopic examination,the urine was found to contain more than 50 leukocytes/_l (normal is fewer than 5) and 35 red blood cells/_l (normal is 3-20) .Epithelial cells from the urogenital area contaminate a midstream specimen if the specimen is not collected properly.No squamous epithelial cells (skin cells) were seen,indicating a well-collected midstream catch.The urine culture plated on agar medium yielded more than 105 colonies/ml (meaning more than 105 organisms/ml in the urine) of a facultative,anaerobic,Gram-negative bacillus that can ferment lactose.
Which would NOT likely describe Lashandra's infection?

• A) initiated by self-inoculation with E. coli
• B) cystitis treatable by oral antibiotic
• C) characterized by bacteriuria and urethritis
• D) descending pyelonephritis

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Definitions:

Hypotheses

Tentative explanations or predictions that can be tested through observation and experimentation, foundational in scientific research.

Anatomical Structures

Structures within an organism that are studied in anatomy, such as bones, muscles, organs, and their arrangements.

Analogy

A comparison between two things, typically for the purpose of explanation or clarification.

Natural Selection

A key mechanism of evolution where individuals with traits better suited to their environment are more likely to survive and reproduce, leading to genetic changes in populations over time.