The portion of the GI tract seen curving around the head of the pancreas on axial CT images is the
A. pylorus.
B. jejunum.
C. ileum.
D. duodenum.
Answer: D
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Tactile receptors located in the reticular dermis that are tonic and show little if any adaptation are called
A) Bulbous corpuscles. B) lamellar corpuscles. C) tactile (Meissner) corpuscles. D) tactile discs. E) root hair plexuses.
At the end of a hair's growth cycle, the follicle does which of the following?
A) becomes smaller B) sloughs off the old hair when the cycle begins again C) becomes inactive D) loses connection to the hair matrix E) All of the answers are correct.
____________________ matter consists predominantly of densely packaged cell bodies and dendrites, whereas ____________________ matter consists of bundles of myelinated nerve fibers
Fill in the blank(s) with correct word
Which of the following statements about larger lymphatics is incorrect?
A. They have thicker walls than veins. B. They have valves. C. The tunica media has smooth muscle and elastic fibers. D. The tunica externa is relatively thin. E. The endothelium of the tunica interna is similar to that of veins.