The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima.
B) external elastic membrane.
C) tunica media.
D) internal elastic membrane.
E) tunica externa.
Answer: B
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Body membranes are composed of ________ tissues
A) connective and muscle B) epithelium and muscle C) epithelium and connective D) connective and nervous
The motor pathway of the autonomic nervous system usually involves ________ neurons.
A. no B. three C. two D. one E. four
Which of the following account for why the number of bones in the adult skeleton may vary. Select all that apply.
__X__ There is a variable presence of sesamoid bones. _____ Some bones may disappear in response to mechanical stress. __X__ There is a variable number of sutural bones. _____ There are fontanels in the skull of an infant.
The first set of teeth to appear are the ________ teeth.
A) permanent B) succession C) secondary D) impacted E) deciduous