Which muscle contracts when one smiles?
A. Zygomaticus major
B. Buccinator
C. Frontal belly of the occipitofrontalis
D. Orbicularis oris
E. Depressor anguli oris
Answer: A
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Which is correct regarding chromosome numbers during oogenesis?
A. Both primary oocytes and secondary oocytes are haploid. B. Both primary oocytes and secondary oocytes are diploid. C. Primary oocytes are haploid, secondary oocytes may be haploid or diploid depending on their meiotic stage. D. Primary oocytes are haploid, secondary oocytes are diploid. E. Primary oocytes are diploid, secondary oocytes are haploid.
The meninx composed of a delicate web of collagen and elastic fibers is the
A. dura mater. B. subarachnoid layer. C. pia mater. D. arachnoid. E. periosteal layer.
The only bony element that attaches to the axial skeleton and acts to limit the movement of the shoulder joint is the ________.
Fill in the blank(s) with the appropriate word(s).
Vitamin ________________________________________ is one possible antidote to ingestion of rat or mouse poison that causes bleeding
Fill in the blank(s) with correct word