Author Question: When ______________ are active, intrafusal muscle fibers become shorter and hence become much more ... (Read 58 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
When ______________ are active, intrafusal muscle fibers become shorter and hence become much more sensitive to changes in muscle length.
 
  a. gamma motor neurons
  b. extrafusal muscle fibers
  c. alpha motor neurons
  d. intrafusal muscle fibers

Question 2

If asked to move your leg, this response takes longer to complete than if you move your leg in response to what feels like a spider crawling on it. When you respond to the imaginary spider, this response:
 
  a. is reflexive and does not need to be processed deeply to be performed.
  b. is planned and requires deeper processing to be performed.
  c. is reflexive and requires deeper processing to be performed.
  d. is planned and does not need to be processed deeply to be performed.



epscape

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

For a complete list of videos, visit our video library