× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
brookemaciel18 brookemaciel18
wrote...
Posts: 2
Rep: 0 0
10 years ago
ANSWERS ARE HIGHLIGHTED

1.A synaptic cleft, or synaptic gap, can be found between a neuron and ______.
    All of these.
    a gland.
    a muscle cell.
    another neuron.

2. The membrane potential that occurs when neurotransmitters bind to their receptors is called _______.
    a postsynaptic potential
    a receptor potential
    an action potential
    an action potential and a receptor

3. The release of neurotransmitter occurs _______.
    all along the axon
    at the axon terminal
    from the motor endplate

4. Which of the following occurs first?
   Voltage-gated calcium channels are opened.
    Synaptic vesicles exit by exocytosis.
    Extracellular calcium enters the axon terminal.
    An action potential arrives at the axon terminal.

5. At a chemical synapse, the intensity of the stimulus is coded by _______.
    the amount of neurotransmitter released
    the amount of calcium that enters the axon terminal
    the size of the action potential
    the size of the action potential and the amount of neurotransmitter released
    the amount of neurotransmitter released and the amount of calcium that enters the axon terminal

6. When the calcium was removed from the extracellular solution, _______.

    the amount of neurotransmitter released increased
    no neurotransmitter was released
    the amount of neurotransmitter released did not change
    the amount of neurotransmitter released decreased

7.When magnesium was added to the extracellular solution, _______.
    the amount of neurotransmitter released increased
    no neurotransmitter was released
    the amount of neurotransmitter released did not change
    the amount of neurotransmitter released decreased

8. Calcium and magnesium are both _______.
    monovalent anions
    divalent cations
    monovalent cations
    divalent anions
Read 6039 times
1 Reply

Related Topics

Replies
wrote...
Staff Member
Educator
10 years ago
Thanks for providing these, much obliged.
Mastering in Nutritional Biology
Tralalalala Slight Smile
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1114 People Browsing
Related Images
  
 247
  
 217
  
 645
Your Opinion
How often do you eat-out per week?
Votes: 79