________ ganglion cells transmit information about texture, while ________ ganglion cells transmit information about movement.
Fill in the blank(s) with the appropriate word(s).
Parvocellular, magnocellular
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As a blood pressure cuff is deflated on the arm, sounds of ________ can be heard.
Fill in the blank(s) with the appropriate word(s).
Using a micropipette, a neuroscientist injects an axon with enough Na+ ions to move the membrane potential +25mV (from resting). What happens next?
A. Na+ channels will all be inactivated. B. Voltage-gated Na+ will be triggered to open. C. The neuron membrane will be hyperpolarized. D. The membrane potential will be at the Na+ equilibrium potential. E. None of the answer choices are correct.
Free nerve endings serve as receptors for temperature and pain, and are therefore classified as sense organs.
Answer the following statement true (T) or false (F)
Which vitamin begins its synthesis in the skin when the skin is exposed to ultraviolet light?
A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D E. Vitamin E