« previous next »

Author Question: Synaptic pruning a. is a normal part of brain development. b. is associated with mental ... (Read 109 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jun 21, 2018
Synaptic pruning
 
  a. is a normal part of brain development.
 b. is associated with mental retardation, and results in too few connections.
  c. results from insufficient amounts of neurotrophins.
 d. results from excess amounts of neurotrophins.

Question 2

The force of a movement is most directly controlled by
 
  a. the rate of motor neuron firing alone.
 b. recruitment of motor units alone.
 c. feedback from muscle spindles and recruitment.
 d. the rate of motor neuron firing and recruitment.


kxciann

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jun 21, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Normal glomerulus. Acute glomerulonephritis. Normal glomerulus. Acute glomerulonephritis.
Changes in the bronchioles during an asthma attack: (a) Normal bronchiole. (b) The inflammatory ... Changes in the bronchioles during an asthma attack: (a) Normal bronchiole. (b) The inflammatory ...
How to solve any rational equation by factoring (Part 1) How to solve any rational equation by factoring (Part 1)
How to solve equations that contain cosine using special triangles (Part 1) How to solve equations that contain cosine using special triangles (Part 1)
Right lateral view showing low normal curves of the vertebral column Right lateral view showing low normal curves of the vertebral column
Gene fusion in the 9;22 translocation. Part of the BCR gene on chromosome 22 is moved to chromosome Gene fusion in the 9;22 translocation. Part of the BCR gene on chromosome 22 is moved to chromosome
Video: Causes of Angina

For a complete list of videos, visit our video library