A Weil-Felix Test Was Performed on Serial Dilutions from a Patient

question 9

Multiple Choice

A Weil-Felix test was performed on serial dilutions from a patient bitten by a tick.The results obtained were positive for OX-19 and negative for OX-2 and OX-K.Based on these findings, the organism can be identified as:

• A) Rickettsia rickettsii.
• B) Orientia tsutsugamushi.
• C) Rickettsia prowazekii.
• D) Rickettsia typhi.

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Definitions:

Grouped Frequency Distribution

A representation of data that shows the number of observations within a given interval, helping in understanding the distribution of data points.

Equal Size

A condition often desired in statistical sampling or experimental design where all groups or samples have the same number of observations.

Arbitrarily Intervals

Intervals or ranges that are determined without a specific rule, often chosen based on convenience or subjective judgement.

Cumulative Percent

A measure that represents the total percentage that is accumulated at each data point or within each bin when data is sorted in ascending order.