A muscle that assists another by preventing movement at another joint is called a(n)
A) synergist.
B) fixator.
C) agonist.
D) prime mover.
E) antagonist.
B
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In a lab setting, heating a vessel full of reactants will generally
A. increase the kinetic energy of the molecules and increase the reaction rate. B. raise the activation energy and catalyze the reaction. C. lower the activation energy and the kinetic energy of the reactants. D. convert products to reactants by increasing the energy requirements. E. lower the reaction rate due to the change in structure of the reactants.
Organic compounds must contain:
a. oxygen b. carbon-oxygen bonds c. carbon-hydrogen bonds d. none of the above
Cartilage grows in two ways, appositional and interstitial. What is appositional growth?
A) growth at the epiphyseal plate B) the secretion of new matrix against the external face of existing cartilage C) along the edges only D) the lengthening of hyaline cartilage
The length of hair is determined by the
A. size of the hair bulb. B. age of the person. C. length of the resting stage. D. angle of the hair root. E. rate of hair growth.