Which structure in the figure is labeled B?
a) left common carotid artery
b) left subclavian artery
c) left pulmonary vein
d) mitral valve
b
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Acetylcholine exerts its effect by
A. stimulating the motor neuron's synaptic knob. B. binding to receptors at the motor end plate. C. activating acetylcholinesterase. D. allowing calcium to enter the cell.
In most tissues, glucose, a water-soluble substance, crosses capillary walls through
a. water-filled pores b. endothelial cells c. sinusoids d. a and b e. a and c
Bile produced in the liver is transported to the gallbladder for storage via the ________
A) falciform ligament B) cystic duct C) common bile duct D) common hepatic duct E) pancreatic duct
Which of the following statements is false?
A. The intrinsic and extrinsic pathway of blood clotting requires clotting factors. B. The intrinsic and extrinsic pathway of blood clotting is begun by damaged tissues. C. The intrinsic and extrinsic pathway of blood clotting requires calcium. D. The extrinsic pathway of blood clotting is begun by damaged tissues.