Which of the following does not directly influence motor neurons?
a. primary motor cortex.
b. cerebellum.
c. brain stem.
d. basal nuclei
e. both (b) and (d)
E
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Identify the correct statement(s)
a. The DRG consists of both inspiratory neurons and expiratory neurons. b. The neurons of the DRG remain inactive during normal quiet breathing. c. The DRG is called into play by the VRG as when demands for ventilation are increased. d. All of the above are correct. e. None of the above are correct.
Think about the bilayer arrangement of phospholipids in cell membranes. Now imagine if extracellular and intracellular fluids were made of oil instead of water. How would the phospholipids arrange themselves?
A. The hydrophilic heads would be oriented toward the middle, with hydrophobic tails pointing outward. B. The hydrophobic tails would be oriented inward, while the hydrophilic heads would point outward. C. The hydrophobic heads would be oriented toward the oil, so outward; the hydrophilic tails would be pointed inward.
The longest muscle in the body is the sartorius.
Answer the following statement true (T) or false (F)
What two structures comprise the renal corpuscle?
a) A and B b) C and D c) E and F d) K and L e) N and O