WorksheetsQuiz on the Nervous System
Total questions: 20
Worksheet time: 7mins
What are the two main divisions of the peripheral nervous system?
Central and Peripheral
Afferent and Efferent
Sensory and Motor
Somatic and Autonomic
What type of cell in the nervous system is primarily involved in the formation of myelin sheaths?
Neuroglia
Oligodendrocytes
Astrocytes
Microglia
What is the primary function of the myelin sheath?
To protect the neuron
To store neurotransmitters
To speed up nerve impulse propagation
To provide structural support
What is the resting membrane potential of a typical neuron?
+30 mV
-70 mV
-55 mV
0 mV
Which type of synapse allows for direct electrical coupling between neurons?
Axosomatic synapse
Chemical synapse
Electrical synapse
Axodendritic synapse
What is the role of neurotransmitters in the nervous system?
To maintain resting potential
To generate action potentials
To transmit signals across synapses
To form myelin sheaths
Which part of the brain is responsible for regulating vital functions such as breathing?
Brainstem
Cerebrum
Cerebellum
Spinal cord
What type of receptors are involved in fast synaptic transmission?
Metabotropic receptors
Nicotinic receptors
Ionotropic receptors
G-protein coupled receptors
Which division of the autonomic nervous system is responsible for 'fight or flight' responses?
Somatic division
Central division
Sympathetic division
Parasympathetic division
What is the primary neurotransmitter used by the parasympathetic nervous system?
Serotonin
Acetylcholine
Norepinephrine
Dopamine
Which type of sensory receptor responds to mechanical forces?
Photoreceptors
Thermoreceptors
Chemoreceptors
Mechanoreceptors
What is the function of the sodium-potassium pump in neurons?
To propagate nerve impulses
To generate action potentials
To maintain resting membrane potential
To release neurotransmitters
Which type of glial cell is responsible for myelination in the peripheral nervous system?
Microglia
Astrocytes
Schwann cells
Oligodendrocytes
What is the term for the brief reversal of membrane potential in a neuron?
Graded potential
Repolarization
Resting potential
Action potential
What is the role of the axon in a neuron?
To receive signals from other neurons
To transmit signals away from the cell body
To support the neuron structurally
To release neurotransmitters
Which ion is primarily responsible for depolarization during an action potential?
Calcium
Sodium
Potassium
Chloride
What is the function of astrocytes in the nervous system?
To form myelin sheaths
To provide structural support and regulate blood flow
To transmit electrical signals
To remove waste products
What is the primary function of the cerebellum?
Regulating emotions
Coordinating voluntary movements
Processing sensory information
Controlling heart rate
Which part of the neuron is responsible for receiving signals from other neurons?
Axon
Dendrites
Cell body
Synapse
Which type of glial cell is involved in the immune response in the central nervous system?
Astrocytes
Microglia
Oligodendrocytes
Schwann cells
