Where is the hilum of the lung found?
A. On its cupola
B. On its cardiac notch
C. On its mediastinal surface
D. On its costal surface
E. On its base
C. On its mediastinal surface
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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.
A postsynaptic potential is a graded potential
Indicate whether this statement is true or false.
Identify the two rounded projections on either side of the elbow, and state to which bone they belong
A) humerus; lateral malleolus and medial malleolus B) humerus; lateral and medial epicondyles C) ulna; lateral malleolus and medial malleolus D) ulna; lateral and medial epicondyles E) radius; lateral malleolus and medial malleolus
Pyrogens act by increasing the set point for body temperature in the thalamus
Indicate whether the statement is true or false