The telephone wires that lead from your home to the homes of friend, relatives, and even strangers are all covered by a thick, protective tube that insulates them from damage. This tube helps eliminate damage from things like water,
birds' feet, bugs, dirt, weather, tree branches, and other potential interruptions in communication. In the human neuron, the same sort of protection is provided by the __________.
a. synaptic vesicles
b. dendrites
c. sodium ions
d. myelin sheath
Answer: D
You might also like to view...
Which cause of intellectual disability is associated with an involuntary urge to eat?
a. Down syndrome b. Fragile-X syndrome c. Prader-Willi syndrome d. Angelman syndrome
The perception of one’s capability to mobilize motivation, cognitive resources, and actions in situations characterized by diversity is referred to as ______.
A. cultural self-efficacy B. bicultural self-efficacy C. adaptive self-efficacy D. acculturative self-efficacy
Which of the following individuals best portrays a self-healing personality?
A) Pamela is constantly on the go, and she loves her work and never seems to get tired. B) Ian is kind of boorish, but nobody will ever take advantage of him, because he is constantly on the offensive and has no anxiety. C) Brent is quiet and shy. He doesn't seem to "match" with his siblings, who are all very outgoing, and in the past, this has made him feel badly about himself, so he now tries very hard to be outgoing and gain more friends. D) Alicia is constantly on the go, and she always wants to win out over her peers. E) Petra worries about everything, but she is able to put it out of her mind and walk around with a smile on her face.
Hedonism is a value system in which a person is guided by
A) cultural traditions. B) the pursuit of pleasure. C) religious principals. D) helping others.