Concerning the thoracic duct, which one of the following descriptions is correct? ()
A. ascend behind the thoracic aorta
B. it is formed by the union of right and left lumbar trunk
C. it is formed by the union of right and left intestinal trunk
D. it is receive lymph about 3/4 of the whole body
E. it is formed by the union of right and left jugular trunk
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Which one of the following structures is a part of the fibrous tunica of the eyeball? ()
A. the iris
B. the ciliary body
C. the choroid
D. the retina
E. the cornea
The spiral organ is situated in______. ()
A. the saccule
B. the utricle
C. the posterior semicircular duct
D. the cochlear duct
E. the anterior membranous ampulla
A collection of nerve cell bodies in the parietal nervous system is termed as a()______. ()
A. ganglion
B. horn
C. nucleus
D. white matter
E. gray matter
The principal connection between the cerebral hemispheres is ()
A. the corpus callosum
B. the pons
C. the intermediate mass
D. the vermis
E. the precentral gyrus.
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