Which foot movement enables the ballerina to stand on her toes?
A) dorsiflexion
B) plantar flexion
C) inversion
D) rotation
E) eversion
B
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Which of the following is NOT true of enzymes?
A. They are catalysts that increase the rate of a reaction. B. They may need a cofactor to be functional. C. A slight change in shape can affect function. D. The active site has a specific shape to match the reactant(s). E. One enzyme can have many reactions.
Following ejaculation, a male may typically experience a period of time, called ________, during which stimulation does not bring about an erection.
A) orgasm B) post-ejaculatory trauma syndrome C) a refractory period D) spermatogenesis time E) the plateau phase
Which of the following is an example of simple columnar epithelial tissue?
a) epidermis/skin b) tubules/kidney c) lining/gastrointestinal tract d) lining/blood vessels
Mrs. Floyd developed an accentuated lumbar curvature during the last few months of her pregnancy. Determine this spinal curvature
A) kyphosis B) scoliosis C) lordosis D) spina bifida