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
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
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