Which of the following is entirely under nervous control and has no hormonal regulatory component?
a. Salivary secretion
b. Gastric secretion
c. Pancreatic secretion
d. Liver secretion
e. None of the above (all have a hormonal regulatory component)
A
You might also like to view...
There are four types of body membranes. Select the exception
A. Serous B. Cutaneous C. Mucous D. Cartilaginous E. Synovial
Cell membranes have a ____ structure with the polar head groups of the phospholipids facing toward the aqueous environment and the ____ facing toward the interior of the membrane
a. bilayer, hydrophilic tails b. bilayer, hydrophobic tails c. micellar, hydrophilic tails d. liposomal, hydrophilic tails e. liposomal, hydrophobic tails
Vitamin D3 formed within the skin has all of these effects on other organ systems except that it
A) is essential for absorption of calcium and phosphorus by the digestive system. B) functions as a precursor for the hormone calcitriol in the endocrine system. C) is essential for bone maintenance. D) functions in the activation of plasma cells by the lymphatic system. E) is essential for bone growth.