In Modern Surgery,it Is Possible to Lengthen a Short Leg

question 54

Multiple Choice

In modern surgery,it is possible to lengthen a short leg bone because new bone tissue can rapidly grow to fill a cavity.However,it would be important to

• A)administer a chemical to kill all osteoblasts.
• B)leave the periosteum intact to provide nutrients and define the boundary for bone growth.
• C)ensure the growth plates are all ossified.
• D)remove calcium from the diet.
• E)remove the red bone marrow from the bone.

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Definitions:

Non-directional

Pertains to hypotheses or tests that do not specify the direction of the expected differences or relationships.

Null Hypothesis

A hypothesis positing no effect or no difference; it serves as the default assumption to be tested against the alternative hypothesis.

Directional Hypothesis

A hypothesis that specifies the expected direction of the relationship between variables, indicating an increase or decrease.

Null Hypothesis

A statement that indicates no effect or no difference, and is the hypothesis that researchers seek to nullify or disprove through statistical analysis.