Nervous System Quiz

A bundle of nerves that begins at the brain stem and continues down the center of your back through the vertebrae (spine). 

• spinal cord
• peripheral nerves
• brain
• stomach

Which structure in humans transmit electrical messages?

• veins

• lymphocytes

• neurons

• nephrons

Which of the following is NOT a function of the nervous system?

• The control center for all body activities

• To respond and adapt to changes that occur inside the body

• To eliminate waste from the body

• To respond and adapt to changes that occur outside the body

Messages must be sent across the gap between two neurons, but we need a special chemical to do so. What are these called?

• Neurotransmitter

• Neurogapcrosser

• Neurobrain

• Neurosynaptic

Tags

NGSS.HS-LS1-6

The brain is the ______ ______ of the body.

• nervous center
• nueropathy
• control center
• extension

Salivary glands are an example of ...

• A receptor
• A relay
• A detector
• An effector

Tags

NGSS.HS-LS1-3

A muscle can be an effector

• false

• true

Tags

NGSS.MS-LS1-3

Receives message from CNS about how an muscle or gland ought to react in response to an object, event, or person.

• Stimulus

• Effector

• Sensory Neuron

• Motor Neuron

• Interneuron

Tags

NGSS.MS-LS1-8

The first step in the conduction of a nerve impulse is

• the neuron at rest has a negative resting potential
• a stimulus causes the sodium ion channel to open
• the resting potential is fully restored
• the potassium channels open

Which is the last step in the synaptic transmission of a nerve impulse from pre-synaptic neuron to a postsynaptic cells.

• a nerve impulse arrives at the axon terminal of the presynaptic cell
• vessicles in the presynaptic neutron fuse with the cell membrane
• neurotransmitter molecules are released into the synaptic cleft
• neurotransmitters bind to receptor proteins on the postsynaptic cell