Podcast
Questions and Answers
What enzyme catalyzes the cleavage of cAMP to AMP?
What enzyme catalyzes the cleavage of cAMP to AMP?
- Phosphodiesterase (correct)
- Myelin Sheaths
- NMDA receptors
- Protein Kinase A
Which feedback loop occurs when a later part of the pathway stimulates an earlier part of the same pathway?
Which feedback loop occurs when a later part of the pathway stimulates an earlier part of the same pathway?
- Resting Membrane Potential loop
- Negative feedback loop
- Positive feedback loop (correct)
- All or None Phenomenon loop
At what voltage does the resting membrane potential typically stay at?
At what voltage does the resting membrane potential typically stay at?
- +30mV
- -70mV (correct)
- -90mV
- -55mV
What phenomenon occurs when excitatory impulses add together to reach the threshold to fire a neuron?
What phenomenon occurs when excitatory impulses add together to reach the threshold to fire a neuron?
Which receptors are glutamate-responsive ion channels that promote action potential formation upon activation?
Which receptors are glutamate-responsive ion channels that promote action potential formation upon activation?
What occurs when a later part of a pathway inhibits an earlier part to help maintain homeostasis?
What occurs when a later part of a pathway inhibits an earlier part to help maintain homeostasis?
Which substance allows the action potential to take on a salutary conduction?
Which substance allows the action potential to take on a salutary conduction?
When does temporal summation occur?
When does temporal summation occur?
What does the all or none phenomenon refer to in neuron physiology?
What does the all or none phenomenon refer to in neuron physiology?
Which phenomenon describes the effects of impulses summing up at different locations on one neuron?
Which phenomenon describes the effects of impulses summing up at different locations on one neuron?