The heart is located:
a. mostly to the left of the midline of the sternum
b. mostly to the right of the midline of the sternum
c. with the apex slightly below the clavicle
d. both A and C above
a. mostly to the left of the midline of the sternum
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The trigger zone of a neuron
a. is located at the axon hillock b. is located in the axon terminal c. contains only chemically gated channels d. conducts graded potentials to the axon e. causes action potentials to move toward the cell body and dendrites
The celiac trunk divides into three branches. Which one of these vessels is NOT a branch of the celiac trunk?
A) superior mesenteric artery B) hepatic artery C) left gastric artery D) splenic artery
In bioenergetic pathways, as intermediates are acted upon by enzymes, the ultimate result is the release of ________.
A. enzymes B. lactate C. free energy D. ATP
The sum of the electrical and chemical forces acting on an ion is known as its ________ gradient
A) osmotic B) chemiosmotic C) concentration D) potential E) electrochemical