Author Question: A common form of a synapse can involve a junction between an axon terminal and a(n) ________. A) ... (Read 68 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
A common form of a synapse can involve a junction between an axon terminal and a(n) ________.
 
  A) dendrite
  B) blood vessel
  C) axon hillock
  D) glial cell
  E) Node of Ranvier.

Question 2

Which of the following is true of synapses?
 
  A) Action potentials open chloride channels to release neurotransmitters.
  B) Presynaptic voltage changes past threshold triggers the release of neurotransmitters.
  C) The interior of the nerve cell becomes more negative during the action potential.
  D) The exterior of the nerve cell becomes more positive during the action potential.
  E) Glia are shown to slow down the release of transmitter substances from the axon.



Heffejeff

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B
Rationale: Presynaptic voltage changes past threshold triggers the release of neurotransmitters into the synapse.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

For a complete list of videos, visit our video library