Science is perhaps the greatest study in human history, providing us with answers to the endless questions like “why”, “how” and “what” that we may ask about the universe around us. In the following quiz, we’ll be focusing our microscopes in on the scientific study of life – biology! Think you can talk to us about bio science without getting See morea question wrong? Let’s see if you’re right!
Parasympathetic
Motor afferent
Sympathetic
Sensory afferent
Somatic motor
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Glands
Stimuli
Reflexes
Sense organs
Receptor
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Central nervous system
Somatic sensory division
Somatic motor division
Visceral motor division
Visceral sensory division
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Cells
Organs
Organelles
Tissues
Organ systems
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Efferent; afferent
Motor; sensory
Afferent; efferent
Afferent; association
Efferent; association
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Motor
Afferent
Efferent
Association
Sensory
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Bipolar
Multipolar
Anaxonic
Dendritic
Unipolar
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A nerve cell
An axon
An organ
A bundle of macromolecules in nerve cells
An organelle in nerve cells
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Axon
Dendrites
Schawnn cell
Soma
Axon hillock
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Synaptic knobs
Somas
Dendrites
Axons
Axon collateral
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Oligodendrocytes
Satellite cells
Microglia
Astrocytes
Schwann cells
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Lipids
Carbohydrates
Glycoproteins
Proteins
Polysaccharides
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Organelles
Polymers
Cells
Macromolecules
Fibers
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Small myelinated fiber
Large myelinated fiber
Small fiber with multiple schwann cells
Small unmyelinated fiber
Large unmyelinated fiber
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At least part of the soma intact
At least the entire axon and neurilemma inteact
The soma and at least some neurilemma intact
All dendrites intact
At least half the length of the fiber intact
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Potassium
Phosphate
Calcium
Sodium
Chloride
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Somas
Dendrites
Schwann cells
Trigger zone
Axon hillock
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Plasma membrane voltage returning to the resting membrane potential
Drifting of plasma membrane voltage toward a more negative value
Depolarization of the plasma membrane
Hyperpolarization of the plasma membrane
Repolarization of the plasma membrane
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Inflow of sodium
Inflow of patassium
Inflow of calcium
Inflow of chloride
Outflow of chloride
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Reversible
Decremental
Graded
Excitatory
Inhibitory
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Depolarizes the plasma membrane
Repolarizes the plasma membrane
Hyperpolarizes the plasma membrane
Drifts the membrane potential towards the resting membrane potential
Neutralizes the plasma membrane
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Potassium gates are fully open
Chloride gates are partially open
Chloride gates are fully open
Sodium gates are fully open
Sodium gates are partially open
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Irreversible; reversible
Self-propagating; local
Graded;all or none
Nondecremental; decremental
Produced by voltage-regulated channels; produced by gated cahnnels
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Sodium ions are entering the cells
Sodium ion are leaving the cell
Potassium ions are entering the cell
Potassium ions are leaving the cell
Both sodium and potassium are leaving the cell
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Depolarizing
Repolarizing
Hyperpolarizing
Reaching the threshold
Exiting the threshold
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It is possible to trigger a new action potential, but only with an unusually strong stimulus
No stimulus of any strength will trigger a new action potential
If a neuron reaches threshold, the action potential goes to completion
The neuron fires at its maximum voltage if a stimulus depolarizes the neuron to threshold
The signals grows weaker with distance
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A local potential
A graded potential
An action potential
Nerve signal
A depolarizing signal
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Active transport of sodium and potassium is faster in myelinated fibers
Facilitated diffusion of sodium and potassium is faster in unmyelinated fibers
Difussion of ions along the axoplasm is faster
There are more internodes in unmyelinated fibers
There are no internodes in unmyelinated fibers
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They are released in response to stimulation
They are synthesized by a presynaptic neuron
They are released into the bloodstream before reaching the postsynaptic cell
They bind to specific receptors on the postsynaptic cell
They alter the physiology of the postsynaptic cell.
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Epinephrine
Acetycholine
Monoamine
Norepinephrine
Catecholamine
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Hyperpolarization of the cell membrane
Repolarization of the cell membrane
No change of the cell membrane potential
No change of the threshold
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Calcium and sodium; IPSP
Potassium; EPSP
Calcium; IPSP
Chloride; IPSP
Sodium; IPSP
A voltage change from 0 mV to +35 mV
A voltage change from -70 mV to -69.5 mV
A voltage change from -69.5 mV to -70 mV
A voltage change from +35 mV to 0 mV
A voltage change from -70 mV to -70.5 mV
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Temporal summation
Neural summation
Spatial summation
Neural coding
Recruitment
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Facilitation
Summation
Recruitment
Integration
Coding
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A converging circuit
Reverberating circuit
A diverging circuit
A presynaptic pool
An autonomic pool
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Y-aminobutyric acid (GABA)
Noradrenaline
Epinephrine
Acetycholine
Norepinephrine
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ACh diffuses across the synaptic cleft
Postsynaptic potential is produced
Sodium enters the postsynaptic cell
Synaptic vesicles release ACh
Ach binds to ligand-regulated gates
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ATP is converted to cyclic AMP
Adenylate cyclase is activated
G protein dissociates from the NE receptor
G protein binds to adenylate cyclase
Cyclic AMP induces several effects in the cell
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That binds to chloride gates
That breaks downs monoamines
That blocks sodium channels
That converts ATP to cyclic AMP
That degrades acetylcholine
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The synaptic knob reabsorbs some neurotransmitters by endocytosis
Neurotransmitters stop being released
Neurotransmitters escapes from the synapse into the nearby extracellular fluid
Synaptic vesicles secrete neurotransmitter by exocytosis
Enzymes in the postsynaptic cell break down some neurotransmitters
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Acetylcholine
Norepinephrine
Dopamine
Histamine
B-endorphin
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Recruitment
Coding
Pooling
Facilitation
Integration
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GABA (y-aminobutyric acid)
Serotonin
Dopamine
Aceylcholine
Glutamate (glutamic acid)
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Synaptic facilitation; short-term memory
Neural coding; immediate memory
Postsynaptic potential; long-term memory
Neural coding; short-term memory
Long-term potentiation; long-term memory
Quiz Review Timeline (Updated): Mar 20, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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