The ethmoid bone contributes to what part of the bony orbit?
A. Lateral wall
B. Medial wall
C. Floor
D. Roof
E. Apex
Answer: B. Medial wall
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Define the vasa recta
A) The vasa recta contains sympathetic postganglionic fibers. B) The vasa recta contain the afferent and efferent arterioles. C) The vasa recta contain parasympathetic postganglionic fibers. D) The vasa recta are long, straight capillaries that that parallel the nephron loop. E) The vasa recta are capillaries that surround the entire renal tubule.
The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart
A) left atrium B) left ventricle C) right atrium D) right ventricle
Identify the structures that are part of the epithalamus
habenula mammillary bodies pineal gland pituitary gland thalamus
The thickened area of the blastocyst from which the embryo develops is called the _______________
A. inner cell mass B. trophoblast C. blastocele D. morula E. zygote