The initial effect of a stimulus on a sensory receptor is a local electrical change specifically called a(an) ________
A) action potential
B) local potential
C) graded potential
D) sensory potential
E) receptor potential
E
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Active transport, facilitated diffusion, and osmosis all directly require the expenditure of metabolic energy.
Answer the following statement true (T) or false (F)
The effect of a neurotransmitter on the muscle cell membrane is to modify its ion permeability properties temporarily
Indicate whether the statement is true or false
A ________ is a compound that influences a postsynaptic cell's response to a neurotransmitter.
Fill in the blank(s) with the appropriate word(s).
Which of the following structures does not pass through the hilum of the lungs?
A. Pulmonary arteries B. Superior (lobar) bronchi C. Pulmonary trunk D. Main (primary) bronchi E. Pulmonary veins