All of the following are cells of the islets of Langerhans EXCEPT ________
A) F cells
B) G cells
C) alpha cells
D) delta cells
B
Explanation:
A) F cells are cells of the islets of Langerhans.
C) Alpha cells are cells of the islets of Langerhans.
D) Delta cells are cells of the islets of Langerhans.
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The root canal of a tooth contains
A. gingiva. B. dentin. C. cementum. D. blood vessels and nerves.
The sympathetic chain of ganglia is found at the ________ levels of the spinal cord.
A. thoracic, lumbar and sacral B. thoracic and lumbar C. cervical, thoracic, lumbar, sacral, and coccygeal D. sacral, lumbar and coccygeal E. cervical and thoracic
Calculate the total magnification of a specimen when using a standard ocular lens and a scanning objective lens
A) 40X B) 4X C) 100X D) 400X
Choose the incorrect statement regarding blood vessels.
A. Valves are found in veins but not arteries. B. Discontinuous capillaries create sinusoids. C. Smooth muscle surrounds capillaries. D. Arteries contain more muscle than veins.