How is your revision for the physiology finals coming up? Do you feel like you have a good understanding of the human body and how it functions? Below is a basic physiology test for students that will give them an idea of what their degree of knowledge is like. Why don’t you give it a shot and find out where you stand!
We increase the number of action potentials
Increase in the synthesis of neurotransmitters
Increasing receptors on postsynaptic membrane
Producing antagonists
All excepts D
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Sodium
Potassium
Chloride
D- A&C
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All or none concept
Local current
Graded potential
Decreased potential permeability
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Acetylcholine
Norepinephrine
Glycine
Histamine
All of the above
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Describes fast conduction of action potential in myelinated neuron
Involves the action potential jumping from one node of Ranvier to the next
Saves large quantity of ATP
All the above are true
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Neurotransmitters travel through synaptic cleft.
Chemical interaction between regulators and receptors are much faster than ion movement.
Because jap junctions are slower than Neurotransmitters
This statement is false
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Axon
Dendrites
Terminals
Axon hillock
None of the above
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Steroids
Proteins
Carbohydrates
Amines
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Na+ voltage gated channels
K+ leaky channels.
Na+ stretch channels
Synapse
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The period at which the neuron obey triggering action potentials
The second action potential cannot be intiated
The period which the neuron responds to stimulation by stronger stimulus
A+b
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More permeability to K+ than Na+
The Na+-K+ pump is inhibited
Has negative potential on the inside
Is close to the equilibrium of K+
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Axodendritic
Axosomatic
Axoaxonic
Terminodendratic
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Actively Transports 3 Na+ inside & 2K+ outside
Passively Transports 3 Na+ outside & 2K+ inside.
Passively Transports 3 Na+ inside & 2K+ outside
Actively Transports 3 Na+ outside & 2K+ inside.
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Neuron membrane
Muscle membrane
Schwann cells that surround the axon of the neuron
None of the above
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At resting potential
During the rising phase of action potential
During the falling phase of action potential
All the above
A +C
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Destruction of muscle fibers
Scale of measurement for death in tissue
A protective mechanism that prevents causing damage to cells
A+B
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True
False
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Relative Refractory period.
Absolute refractory period
Resting membrane potential
A & C
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Is produced by the opening of Na+ and K+ voltage gated channels
Is produced only in cell that have negative resting membrane potential
Is graded responses
Its fast upstroke is produced by influx of Na+
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True
False
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We use unmyelinated cells because they are thinner
Decrease the temperature
Decrease fluidity of membrane to make it solidify
Raise pH of the solution.
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Activation gates are closed & inactivation gates are open
Activation gates are closed & inactivation gates are closed
Inactivation gates are closed & activation gates are open
Both activation & inactivation are open.
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A synapse
Terminal knobs
Presynaptic membrane
Postsynaptic membrane
B & C
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Depolarizing the membrane
Elongation of action potential
Let Ca+2 Passively cross inside the membrane
All of the above
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Also named point-to-point movement.
Consumes more ATP
Occur in the dendrites of nerves
None of the above
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Open chloride ion channels
Increase conductance of K+
Decreasing excitatory membrane receptors.
Increasing the activity of sodium-potassium pump
None of the above
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Excitable muscle fibers
Excitable nerve fibers.
Found between myelin sheaths.
Found in the brain
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Concentration difference
Concentration gradient
Repulsion force
Osmotic pressure
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It is separated from β and γ components and connected to ATP or GTP
It is separated from α component and connected to ADP
Is connected to α,β and γ components and bound to ADP
Separated from all components and bound to ATP
None of the above
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