Nervous System Quiz
Test your knowledge of the Nervous System
Quiz Information
Description:
Evaluate your understanding of brain, spinal cord, and nerves.
Instructions:
- Read each question carefully before selecting your answer.
- Each question has one correct answer.
- You will receive immediate feedback after answering each question.
- Your final score will be displayed at the end of the quiz.
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This quiz will test your understanding of the Nervous System system anatomy. Make sure you're ready to begin!
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Q1: Which neurotransmitter is involved in muscle contraction?
- Serotonin
- Acetylcholine
- Dopamine
- GABA
Q2: Which glial cells act as immune defense in the CNS?
- Astrocytes
- Microglia
- Ependymal cells
- Oligodendrocytes
Q3: Which part of the brain processes hearing?
- Occipital lobe
- Parietal lobe
- Temporal lobe
- Frontal lobe
Q4: Which brain wave is associated with deep sleep?
- Alpha
- Beta
- Theta
- Delta
Q5: Which neurons are found entirely in the CNS?
- Sensory neurons
- Motor neurons
- Interneurons
- Reflex neurons
Q6: Which lobe of the brain controls vision?
- Frontal lobe
- Parietal lobe
- Temporal lobe
- Occipital lobe
Q7: Which structure produces cerebrospinal fluid (CSF)?
- Corpus callosum
- Thalamus
- Choroid plexus
- Cerebral cortex
Q8: Which brain region is responsible for higher cognitive functions?
- Thalamus
- Cerebellum
- Cerebrum
- Brainstem
Q9: What protects the brain and spinal cord?
- Cartilage
- Meninges
- Lymph nodes
- Endothelium
Q10: Which cells form the blood-brain barrier?
- Oligodendrocytes
- Astrocytes
- Microglia
- Schwann cells
Q11: What is the resting membrane potential of a neuron?
- -70 mV
- +30 mV
- 0 mV
- -20 mV
Q12: What kind of neuron connects sensory and motor neurons?
- Interneuron
- Bipolar neuron
- Afferent neuron
- Efferent neuron
Q13: Which structure connects the brain’s two hemispheres?
- Thalamus
- Corpus callosum
- Cerebellum
- Pons
Q14: Which neurotransmitter is linked to mood and sleep?
- GABA
- Glutamate
- Serotonin
- Dopamine
Q15: What is the primary function of the spinal cord?
- Process emotions
- Initiate digestion
- Transmit nerve signals between brain and body
- Store hormones
Q16: Which type of neuron carries impulses away from the CNS?
- Sensory neurons
- Interneurons
- Motor neurons
- Association neurons
Q17: Which part of the brain regulates body temperature and hunger?
- Cerebellum
- Hypothalamus
- Thalamus
- Medulla
Q18: What is a ganglion?
- Brain cavity
- Glial cell
- Cluster of neuron cell bodies in the PNS
- Blood-filled space
Q19: Which structure produces melatonin?
- Pituitary gland
- Thalamus
- Pineal gland
- Medulla
Q20: Which part of the brain helps coordinate posture?
- Frontal lobe
- Temporal lobe
- Cerebellum
- Pineal gland
Q21: Which condition results from damage to myelin sheath?
- Alzheimer’s
- Multiple sclerosis
- Parkinson’s
- Stroke
Q22: Which nervous system division controls involuntary actions?
- Somatic
- Autonomic
- Central
- Peripheral
Q23: How many pairs of cranial nerves are there?
- 10
- 12
- 14
- 8
Q24: What is the role of ependymal cells?
- Produce myelin
- Phagocytosis
- Line ventricles and produce CSF
- Transmit signals
Q25: Which part of the neuron contains the nucleus?
- Dendrite
- Axon
- Cell body (soma)
- Axon terminal
Q26: Which lobe is involved in personality and decision making?
- Occipital
- Parietal
- Frontal
- Temporal
Q27: Which part of the neuron transmits signals away from the cell body?
- Dendrites
- Axon
- Myelin
- Nissl body
Q28: Which cranial nerve is responsible for smell?
- Optic nerve
- Oculomotor nerve
- Facial nerve
- Olfactory nerve
Q29: What is the junction between two neurons called?
- Axon terminal
- Synapse
- Node of Ranvier
- Neuroglia
Q30: What does the somatic nervous system control?
- Heart rate
- Digestive glands
- Skeletal muscles
- Pupil size
Q31: Which ion rushes into a neuron during depolarization?
- Potassium
- Chloride
- Calcium
- Sodium
Q32: Which brain part connects the cerebrum to the spinal cord?
- Cerebellum
- Midbrain
- Brainstem
- Corpus callosum
Q33: Which part of the brain controls breathing and heart rate?
- Cerebrum
- Cerebellum
- Medulla oblongata
- Thalamus
Q34: Which structure relays sensory information to the cerebrum?
- Hypothalamus
- Thalamus
- Midbrain
- Pons
Q35: Which part of the brainstem regulates consciousness?
- Pons
- Reticular formation
- Corpus callosum
- Cerebral aqueduct
Q36: What is the space between two neurons called?
- Gap junction
- Node of Ranvier
- Synaptic cleft
- Axon terminal
Q37: What are the two main parts of the central nervous system?
- Brain and nerves
- Spinal cord and nerves
- Brain and spinal cord
- Nerves and ganglia
Q38: Which cells produce myelin in the CNS?
- Astrocytes
- Schwann cells
- Oligodendrocytes
- Microglia
Q39: What is saltatory conduction?
- Continuous signal flow
- Jumping of impulses between axons
- Jumping of action potentials between Nodes of Ranvier
- Blocking of neurotransmitters
Q40: Which cranial nerve controls facial expressions?
- Optic
- Facial
- Trigeminal
- Vagus
Q41: What type of signal travels along an axon?
- Chemical gradient
- Electrical impulse (action potential)
- Magnetic wave
- Pressure signal
Q42: Which part of a neuron receives signals?
- Axon
- Soma
- Dendrites
- Myelin sheath
Q43: What are Nodes of Ranvier?
- Spaces between neurons
- Gaps in the myelin sheath
- Connections between axons
- Enlarged dendrites
Q44: Which glial cells produce myelin in the PNS?
- Astrocytes
- Oligodendrocytes
- Schwann cells
- Ependymal cells
Q45: Which part of the brain is responsible for learning and memory?
- Thalamus
- Hippocampus
- Hypothalamus
- Cerebellum
Q46: Which part of the brain controls balance and coordination?
- Cerebrum
- Cerebellum
- Thalamus
- Pons
Q47: Which division calms the body after stress?
- Sympathetic
- Parasympathetic
- Somatic
- Cerebral
Q48: What is a reflex?
- Voluntary movement
- Signal interpreted by cerebellum
- Automatic response to a stimulus
- Emotional memory
Q49: What is the insulating layer around some axons called?
- Schwann cell
- Myelin sheath
- Dendrite
- Node of Ranvier
Q50: Which ion exits during repolarization?
- Sodium
- Calcium
- Potassium
- Magnesium