how is a nerve impulse created and how is this impulse
propagated along a neuron. discuss...
how is a nerve impulse created and how is this impulse
propagated along a neuron. discuss each step involved in nerve
impulse transmission and why each step occura. what is nerve
impulse summation
A impulse conduction, explain how a nerve impulse was initiated
and transmitted along the axon. Illustrate answer with an action
potential diagram to explain the membrane potential changes due to
movement of ions in the gated channels.
When a nerve impulse travels from one neuron to another it
follows this path:
axon, synapse, dendrite
dendrite, synapse axon
dendrite, glia, synapse, glia, axon
axon, glia, synapse, glia, dendrite
Which part of the brain is responsible for higher thinking and
decision making?
occipital lobe
parietal lobe
temporal
frontal lobe
erve impulse moves along a neuron as
A.
sodium moves into the cell and potassium moves out of the
cell.
B.
sodium binds to potassium.
C.
sodium and potassium are pulled apart.
D.
acetylcholine moves along the nerve fiber.
E.
calcium exits the dendrites.
1 points
Question 57
How might climate change effect the reproductive success of
organisms?
A.
Changes in the length of seasons.
B.
Changes in seasonal temperature.
C.
There will not be much of an effect.
D....
1.
how is the impulse carried from one nerve to another? what aids
this and how?
2. what is saltatory conduction? what are some of the
medications used for pain manangement and what categories might
they be divided into?
How does an electrical impulse from a nerve lead to muscle
contraction?
How does skeletal muscle contract and generate force?
How does muscle twitch, summation, and tetanus affect the
strength and duration of muscle contraction?
What are the different types of skeletal muscle contractions?
Explain the difference?
Own Words Please.
Explain how nervous signal transmission is propagated along the
axon and what happens when the signal reaches its effector organ or
tissue. In your discussion include a brief explanation of the
refractory period. How can a signal be made stronger?
Describe the events that occur as a nerve impulse signals to a
muscle cell at a neuromuscular junction. Include the following in
your answer: neurotransmitter, ligand-gated sodium channels, action
potential, nerve axon, muscle cell, sarcoplasmic reticulum,
voltage-gated calcium channels, vesicles, mechanically-gated
calcium channels, and muscle contraction.
Which of the following is required for nerve impulse conduction
and is found in foods such as bananas, avocados, apricots, and
potatoes?
Question 26 options:
A)
Sodium
B)
Copper
C)
Chromium
D)
Potassium
A severe deficiency of vitamin A may result in:
Question 29 options:
A)
scurvy.
B)
Night blindness
C)
insufficient blood clotting.
D)
microcytic anemia
In _____, too much adrenocorticotropic hormone is produced.
Question 45 options:
A)
acromegaly
B)
cretinism
C)
Cushing's syndrome
D)
diabetes mellitus
Physical reactions...