In an action potential, the current that flows down the axon of a neuron is generated by the movement of _____ across the membrane
a) electrons
b) protons
c) ions
d) free radicals
e) neutrons
c
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The first documented personnel selection test in history involved the assessment of which of the following?
A. the ability to start a fire B. the ability to use a sword C. the ability to pronounce a word D. the ability to lift a heavy object E. the ability to write the alphabet
Lymph exits a lymph node via the
A. efferent lymphatic vessels. B. afferent lymphatic vessels. C. cortical sinuses. D. trabeculae. E. lymphatic duct.
These connective tissue strands divide lymph nodes into compartments.
A. Capsule B. Cisternae C. Trabeculae D. Valves
In hydrolysis reactions, compounds react with
A) hydrogen, causing decomposition. B) glucose, causing decomposition. C) water, causing decomposition. D) carbon, causing decomposition. E) water, causing synthesis.