Saltatory conduction describes:
a. the taking of an electrical charge reading during an action potential.
b. rapid change in potential occurring during an action potential.
c. the influx of sodium.
d. the jumping of action potentials from one node to another.
Ans: D
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Using composite faces in which the upper and lower halves had different expressions, Calder et al showed that:
a. It was just as easy to identify the two expressions when the faces were aligned as when they were unaligned b. There was no effect of inverting the faces c. Identifying an expression was faster when the upper and lower expressions were the same, even if they were from different individuals d. It was very difficult to identify an individual if their upper and lower expressions were different
The recognition that objects are constant and unchanging even though sensory input about them is changing is known as
A. selective attention. B. parallel processing. C. bottom-up processing. D. perceptual constancy.
Which chemical substances of the endocrine system serve functions similar to the neurotransmitters of the nervous system?
A) Lymph nodes B) Hormones C) Arterioles D) Efferents
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A) exercise. B) eat healthily. C) rely on diet pills. D) both a and b, not c.