Which embryonic germ layer forms the linings of the respiratory and digestive tracts?
A) mesoderm
B) ectoderm
C) trophoderm
D) endoderm
E) epiderm
D
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The vessel seen running the length of the posterior pancreas on sectional images is the SMV.
Answer the following statement true (T) or false (F)
Blood leaves the glomerulus through a blood vessel called the
A) afferent arteriole. B) efferent arteriole. C) vasa recta. D) cortical radiate artery. E) renal vein.
Which of the following statements is true?
A. Increased parasympathetic activity is consistent with increased physical activity. B. Structures receiving both dual autonomic innervation are regulated equally by both divisions. C. There is dual innervation of all organs. D. The sympathetic division diverges more than the parasympathetic division. E. One division of the ANS is always stimulatory, and the other is always inhibitory.
Many of the functions of which organ are carried out by way of the pituitary gland, which is closely associated with it both anatomically and physiologically?
a) thymus gland b) hypothalamus c) thyroid gland d) pineal gland