« previous next »

Author Question: Dopamine: a. Has an excitatory effect b. Enhances the effects of the cortex on lower structures ... (Read 149 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jun 22, 2018
Dopamine:
 
  a. Has an excitatory effect
  b. Enhances the effects of the cortex on lower structures
  c. Increases in the synapse when cocaine blocks its reuptake
  d. Is probably not involved in the effects of cocaine

Question 2

The depolarization of the cell membrane produced when the threshold is reached results in which of the following?
 
  A) Sodium ions entering the axon 500 times faster than normal
  B) Potassium ions exiting the axon 500 times faster than normal
  C) Sodium ions entering the axon 1,000 times faster than normal
  D) Sodium ions entering the axon 700 times faster than normal


flexer1n1

  • Sr. Member
  • ****
  • Posts: 373
Reply #1 on: Jun 22, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

An example of anatomical homology: homologous structures found in vertebrates. An example of anatomical homology: homologous structures found in vertebrates.
The effects of elevated atmospheric CO2 on insect herbivores. The effects of elevated atmospheric CO2 on insect herbivores.
Major parts of the cell and the structures located inside the cell. Major parts of the cell and the structures located inside the cell.
Common Adverse Effects of Corticosteroids Common Adverse Effects of Corticosteroids
Muscles of the posterior lower leg. Muscles of the posterior lower leg.
The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library