Compared with unmyelinated axons, myelinated axons
A. use more energy to transmit a neural message.
B. have wider nodes of Ranvier.
C. have narrower nodes of Ranvier.
D. use less energy to transmit a neural message.
Answer: D
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The height of a sound wave is called ____ and the speed of the sound wave is called ____.
A. frequency; decibel B. volume; frequency C. altitude; amplitude D. amplitude; frequency
Demonstrate two ways in which cognitive misers decrease their mental load.
What will be an ideal response?
Memory rehearsal is like
a. continually pumping up a leaking balloon. b. doing a U-turn to avoid a police roadblock. c. swallowing various medicines to find one that works. d. watching TV stock reports all day to decide when to buy.
The precentral gyrus is essential for the ____.
A. control of fine movements B. coordination between vision and hearing C. regulation of emotions D. attention to hunger and thirst