The floor of the orbital complex is formed mainly by the
A) maxilla.
B) ethmoid.
C) zygomatic.
D) sphenoid.
E) frontal.
A
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Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of these special senses can replace its damaged neural receptors?
A) olfaction B) hearing C) equilibrium D) proprioception E) vision
The liver receives blood directly from capillaries in the GI tract via the hepatic ________ vein.
Fill in the blank(s) with the appropriate word.
The second heart sound is heard during which phase of the cardiac cycle?
A) isovolumetric contraction B) at the beginning of ventricular diastole C) ventricular ejection D) ventricular filling
The term newborn refers to the period from birth through ________, whereas the term infant refers to the period from ________.
A. the first four weeks; the first month to 1 year B. one week; the second week through the second year C. 3 months; 3 months to 6 months D. the first year; the first year to the second year