This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following most correctly describes the sequence of toxic events that occur in brain ... (Read 113 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
on: Jun 22, 2018
Which of the following most correctly describes the sequence of toxic events that occur in brain during a stroke?
 
  a. increased blood flow > activation of NA+/K+ transporters > membrane hyperpolarization > GABA release > excessive accumulation of extracellular CA++
  b. reduced blood flow > inactivation of Na+/K+ transporters > membrane depolarization > glutamate release > excessive accumulation of intracellular CA++
  c. reduced blood flow > activation of Na+/K+ transporters > membrane hyperpolarization > DA release > excessive accumulation of intracellular CL-
  d. reduced blood flow > inactivation of Na+/K+ transporters > membrane hyperpolarization > GABA release > excessive accumulation of intracellular CA++
  e. increased blood flow > reduced accumulation of extracellular CA++ > membrane hyperpolarization > GABA release

Question 2

A 50-year-old man has experienced a major stroke caused by a thrombus that occluded brain blood vessels. To prevent the occurrence of another stroke, his physicians would most likely
 
  a. administer an anticoagulant.
  b. administer drugs that lower blood pressure.
  c. cut out the embolus using invasive surgery.
  d. use deep brain stimulation to facilitate neuron regrowth.
  e. administer massive doses of antibiotics.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: b. reduced blood flow > inactivation of Na+/K+ transporters > membrane depolarization > glutamate release > excessive accumulation of intracellular CA++

Answer to Question 2

Answer: a. administer an anticoagulant.


c0205847

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jun 22, 2018
Thank you!


Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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.

The female brain The female brain
The nurse assesses the patient's ability to use the walker correctly The nurse assesses the patient's ability to use the walker correctly
Amino acid sequence of bovine insulin Amino acid sequence of bovine insulin
SHEEP BRAIN SHEEP BRAIN
Stuttering and the Brain Stuttering and the Brain
The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ... The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ...
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library