Author Question: Which statement characterizes the absolute refractory period? A) The neuron cannot fire again ... (Read 66 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
Which statement characterizes the absolute refractory period?
 
  A) The neuron cannot fire again because the potassium channels are unable to open
  B) The neuron cannot fire again because the sodium channels are unable to open
  C) The neuron can fire again but only to a stronger than threshold stimulus
  D) The neuron can fire again but only at a much slower rate

Question 2

The gourmet diner who wants to play Russian roulette with his or her dinner might choose to dine on ___, which if improperly prepared might contain a powerful and fatal neurotoxin called tetrodotoxin.
 
  A) fugu
  B) sushi
  C) umami
  D) focaccia



amandalm

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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.

For a complete list of videos, visit our video library