In this sagittal section showing the upper respiratory tract, what number indicates a nasal concha?
A. 1
B. 2
C. 3
D. 4
E. 5
C
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Which of the following describes the excitatory postsynaptic potential?
A) moves membrane potential away from threshold B) opens K+ or Cl- channels C) short distance depolarization D) short distance hyperpolarization
Select the correct statement regarding chemical synapses
A) The synaptic cleft uses the action potential to transmit a chemical signal to the post synaptic cell. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. C) Cells with gap junctions use chemical synapses. D) Neurotransmitter receptors are located on the axons terminals of cells.
Glucagon, epinephrine, cortisol, and growth hormone all promote lipolysis
Indicate whether the statement is true or false
Collateral circulation in the legs is provided by:
a. genicular arteries b. saphenous veins c. femoral vessels d. a and b