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

Author Question: Which of the following is true about threshold for an action potential? A) It is more positive than ... (Read 93 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
on: Feb 28, 2019
Which of the following is true about threshold for an action potential?
 A) It is more positive than the resting membrane potential.
  B) Voltage-gated potassium channels begin to close.
  C) Voltage-gated potassium channels begin to open.
  D) The membrane begins to hyperpolarize.
  E) Threshold for a typical neuron is approximately -30 mV.

Question 2

A threshold stimulus is the
 A) depolarization necessary to cause an action potential.
  B) peak of an action potential.
  C) hyperpolarization of an axon.
  D) resting membrane potential.
  E) electrical current that crosses the synaptic cleft.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

BUTTHOL369

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Feb 28, 2019
Answer to Question 1

A

Answer to Question 2

A


KWilfred

  • Member
  • Posts: 570
Reply 2 on: Feb 28, 2019
YES! Correct, THANKS for helping me on my review

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Potential uses of stem cells Potential uses of stem cells
Potential applications of embryonic and tissue specific adult stem cell in cellular and gene theraph Potential applications of embryonic and tissue specific adult stem cell in cellular and gene theraph
Mechanisms of action of a riboswitch Mechanisms of action of a riboswitch
Drugs with a potential for abuse are categorized into schedules Drugs with a potential for abuse are categorized into schedules
Mechanism of Action of Anticoagulants "آلية عمل مضادات التخثر" Mechanism of Action of Anticoagulants "آلية عمل مضادات التخثر"
Propagation of an action potential Propagation of an action potential
Video: Muscular System Animation

For a complete list of videos, visit our video library