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 50 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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea
Brain Development Brain Development
Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here. Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here.
After verifying that the tester is capable of correctly reading the air frequency, gasoline is ... After verifying that the tester is capable of correctly reading the air frequency, gasoline is ...
Neurons in a newborn’s brain Neurons in a newborn’s brain
Brain maturation from ages 5 to 20 Brain maturation from ages 5 to 20
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library