The combination of an alpha motor neuron, its axon, and associated extrafusal muscle fibers makes up a ___________.
A. motor unit
B. gamma motor neuron
C. intrafusal muscle fiber
D. flexion
Answer: A
You might also like to view...
Diego and Carmen are considering in vitro fertilization. What should they know about the risks of in vitro fertilization to prenatal development?
What will be an ideal response?
Behavior modification works best when used to modify
a. a broadly defined behavior, for example, "I will be friendlier.". b. a personality trait, for example, "I will stop being irritable.". c. or attain a specific goal, for example, "I will get a 4.00 GPA this semester.". d. a specific overt behavior, for example, "I will stop smoking.".
You are driving to school and notice that there is an injured dog lying on the side of the road—presumably the victim of a hit-and-run. You are in a very busy part of town, however, so you decide that your help probably isn't needed (someone else will attend to the dog and call for help, if they haven't already). Social psychologists would say that ____ prevented you from helping in this case
a. belief in a just world b. diffusion of responsibility c. the Good Samaritan effect d. the commons dilemma
What effect does the establishment of a firm sense of gender identity tend to have on children?
a. They develop more rigid rules concerning appropriate "boy" and "girl" behavior. b. They develop more flexible rules concerning appropriate "boy" and "girl" behavior. c. They abandon all rules concerning appropriate "boy" and "girl" behavior. d. They initially identify rules concerning appropriate "boy" and "girl" behavior.