Author Question: The predominant action of a neuron in the central nervous system is to a. stimulate (excite) ... (Read 59 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
The predominant action of a neuron in the central nervous system is to
 
  a. stimulate (excite) other neurons
  b. inhibit the firing of other neurons
  c. either increase or decrease the excitability of other neurons and thus alter their tendency to fire
  d. alter metabolic activities which take place in the nucleus of other neurons

Question 2

The processes influencing the shift in threshold potential which initiates an action potential most commonly involve (1) ; the processes leading to the propagation of an action potential along an axon involve (2)
 
  a. (1) voltage gated ion channels; (2) chemically gated ion channels
  b. (1) chemically gated ion channels; (2) voltage gated ion channels
  c. (1) chemically gated ion channels; (2) chemically gated ion channels
  d. (1) voltage gated ion channels; (2) voltage gated ion channels



randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

c

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library