Sharp Instruments Are Essential to the Elimination of Fatigue and Stress

question 10

Multiple Choice

Sharp instruments are essential to the elimination of fatigue and stress on the clinician's hand, wrist, arm, and shoulders, which cause repetitive stress injuries (RSIs) . Dull instruments that deviate from their original design cause the clinician to apply additional force, resulting in increased lateral pressure, excess stroke repetitions, and a tightened grasp.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true, and the second statement is false.
• D) The first statement is false, and the second statement is true.

---

Definitions:

Positive Linear Relationship

A relationship between two variables where an increase in one variable is associated with an increase in the other variable, represented by a positive slope on a scatter plot.

Confidence Interval

A span of numerical estimates, calculated using sample data, which probably includes the value of an unspecified parameter within the population.

Regression Line

A line that best fits a set of data points in linear regression analysis, showing the general direction in which the data tend to go.

Prediction Interval

An estimate of the interval within which future observations will fall, with a certain probability, given what has already been observed.