Certified Travel Counselor (CTC) Practice Exam

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During McGill's torso muscular endurance test battery, if a client's flexion score is 120 seconds with a flexion/extension ratio score of 0.80, what is the client's extension score?

  1. 150 seconds

  2. 120 seconds

  3. 180 seconds

  4. 95 seconds

The correct answer is: 150 seconds

To determine the client's extension score using the given flexion score and the flexion/extension ratio, you start with the known flexion score, which is 120 seconds. The flexion/extension ratio indicates the relationship between these two scores. In this case, the flexion/extension ratio is 0.80. This means that the flexion score is 80% of the extension score. Hence, to find the extension score, you can set up the equation using the ratio: Flexion score = Ratio × Extension score Substituting the known values into this equation gives: 120 seconds = 0.80 × Extension score To find the extension score, you can rearrange this equation: Extension score = 120 seconds / 0.80 Calculating that gives: Extension score = 150 seconds Thus, the extension score is correctly identified as 150 seconds. This score correlates with the provided flexion score and maintains the specified ratio, verifying that all values are consistent with the flexion/extension relationship.