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PhysioEx Exercise 3 Activity Exam Questions and Answers (latest Update 2024)
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PhysioEx Exercise 3 Activity Exam Questions and Answers (latest Update 2024)
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PhysioEx Exercise 3 Activity ExamQuestions and Answers (latest Update
2024)
Sensory neurons respond to an appropriate sensory stimulus
with a change in membrane potential that is
a. all or nothing
b. graded with the stimulus intensity
c. always small and subthreshold
d. always large and suprathreshold - Correct Answer ✅ b.
graded with the stimulus intensity
If the depolarization that reaches the axon is large and
suprathreshold, the result in the axon is
a. a graded depolarization
b. a larger-than-normal action potential
c. action potentials at a higher frequency
d. no response. - Correct Answer ✅ c. action potentials at a
higher frequency
At the axon terminal, each action potential causes the release
of neurotransmitter. This neurotransmitter diffuses to the
receiving end of an interneuron, where t binds to receptors
and causes
, PhysioEx Exercise 3 Activity Exam
Questions and Answers (latest Update
2024)
a. ion channels to open, so that the receiving end of the
interneuron depolarizes
b. sensory stimulus in the interneuron
c. the interneuron to move away
d. no response. - Correct Answer ✅ a. ion channels to
open, so that the receiving end of the interneuron depolarizes
Interneurons respond to chemical (neurotransmitter)
stimulation with a change in membrane potential that is
a. all or nothing
b. graded with the stimulus intensity
c. always small and subthreshold
d. always large and suprathreshold - Correct Answer ✅ b.
graded with the stimulus intensity
Stop & Think Question - Observe the two neurons in the petri
dish. What do you think is the resting membrane potential at
the receiving end of the sensory neuron (sensory receptor)
and the receiving end of the interneuron?
a. 0 mV
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