A Medical Researcher Wishes to Determine If There Is a Relationship

question 18

Multiple Choice

A medical researcher wishes to determine if there is a relationship between the number of prescriptions writtenby medical professionals, per 100, children and the childʹs age. She surveys all the pediatricianʹs in ageographical region to collect her data. What is the response variable?

• A) Age of the child
• B) Number of prescriptions written
• C) Pediatricians surveyed
• D) 100 prescriptions

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Definitions:

Rigor Mortis

A temporary stiffening of muscles occurring after death as a result of chemical changes in muscle tissues.

Calcium Ions

Charged particles of calcium that play key roles in blood clotting, muscle contraction, and nerve function.

Troponin

A complex of three regulatory proteins involved in muscle contraction in skeletal and cardiac muscles.

Tropomyosin

A protein that regulates muscle contraction by controlling the access of myosin to actin filaments.