WorksheetsHuman Nervous System Quiz
Total questions: 20
Worksheet time: 10mins
The neuron cell is made up of which of the following parts?
Axon
Dendrite
Nucleus
All of the choices are correct.
How do neurons communicate with one another?
Electrically
Chemically
Through weak, radio-wave-like impulses
Chemically and Electrically
Which of the following cavities contains a component of the central nervous system?
abdominal
pelvic
cranial
thoracic
Which structure predominates in the white matter of the brain?
myelinated axons
neuronal cell bodies
ganglia of the parasympathetic nerves
bundles of dendrites from the enteric nervous system
Which part of a neuron transmits an electrical signal to a target cell?
dendrites
soma
cell body
axon
Which term describes a bundle of axons in the peripheral nervous system?
nucleus
ganglion
tract
nerve
Which part of a neuron contains the nucleus?
dendrite
soma
axon
synaptic end bulb
What two types of macromolecules are the main components of myelin?
carbohydrates and lipids
proteins and nucleic acids
lipids and proteins
carbohydrates and nucleic acids
If a chemoreceptor is sensitive to molecules, what would a thermoreceptor be sensitive to?
light
sound
temperature
vibration
Which of these locations is where the greatest level of integration is taking place in the example of testing the temperature of the shower?
skeletal muscle
spinal cord
thalamus
cerebral cortex
How long does all the signaling through the sensory pathway, within the central nervous system, and through the motor command pathway take?
1 to 2 minutes
1 to 2 seconds
fraction of a second
varies with graded potential
What ion enters a neuron causing depolarization of the cell membrane?
sodium
chloride
potassium
phosphate
Which structure primarily supports neurons in nervous tissue?
Axons
Glial cells
Soma
Dendrites
Regions with many axons in nervous tissue are called:
Grey matter
Myelin
White matter
Synapses
Which part of the nervous system is responsible for digestive processes?
Autonomic nervous system
Somatic nervous system
Central nervous system
Enteric nervous system
Which function of the nervous system involves interpreting stimuli and generating responses?
Sensory
Integration
Voluntary
Autonomic
Electrical signals in neurons are caused by changes in:
Ion channels
Axon size
Neurotransmitter concentration
Myelin layers
What part of the brain relays sensory information to the cerebral cortex?
Cerebellum
Hypothalamus
Thalamus
Medulla
Which of the following describes hyperpolarization?
Neuron becomes more positive
Neuron is at resting potential
Neuron becomes more negative
Action potential threshold
Which structure’s dysfunction could lead to impaired movement coordination?
Front Lobe
Cerebellum
Medulla
Pons
