Tom, a trumpet player, asks you which muscles he should develop in order to be a better trumpeter. What would you tell him?
A) the masseter and buccinator
B) the buccinator and orbicularis oris
C) the orbicularis oris and risorius
D) the risorius and zygomaticus
E) the levator labii and mentalis
B
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The least specialized connective tissue and one that contains all of the various cell types is
A. reticular. B. areolar. C. dense irregular. D. adipose. E. dense regular.
Which does not occur during the G2 phase?
A. Enzymes needed for cell division are synthesized. B. Centriole replication is completed. C. Organelle production continues. D. Each DNA molecule replicates. E. No exceptions; all of these occur during the G2 phase.
The region known as the primitive streak is the site of
A) migration of mesodermal cells to form the endoderm. B) endoderm formation. C) ectoderm formation. D) migration of ectodermal cells to form the mesoderm. E) amnion formation.
Which of the following foods is NOT a good dietary source of vitamins?
A. Green, leafy vegetables B. Citrus fruits C. Nuts D. Red meat