4.222 Spinal Cord Quiz

What is the function of the spinal cord?

• Regulate heartbeat

• Process all types of sensory information

• Control reflex action

• Connect the brain with the digestive system

What is the main component of grey matter in the spinal cord?

• Sensory receptors

• Motor neurones

• Cell bodies

• Axons covered in myelin sheath

Which part of the spinal cord contains the sensory neurones' cell bodies?

• Ventral root

• Dorsal root

• White matter

• Dorsal root ganglion

What does the ventral root of the spinal cord contain?

• Axons of sensory neurones

• Sensory neurones

• Motor neurones

• Relay neurones

Which nervous system controls involuntary actions like heartbeat?

• Somatic nervous system

• Autonomic nervous system

• Central nervous system

• Peripheral nervous system

What is the function of the peripheral nervous system?

• Process sensory information

• Connect sensory receptors and effectors to the central nervous system

• Regulate all controlled actions

• Control reflex actions

What surrounds the spinal cord and protects it?

• Myelin sheath

• White matter

• Cerebrospinal fluid

• Grey matter

What is the structure of grey matter in the spinal cord compared to?

• A letter 'H'

• A butterfly

• A tree trunk

• A spider web

What is the main component of white matter in the spinal cord?

• Axons covered in myelin sheath

• Cell bodies

• Motor neurones

• Sensory neurones

What extends up and down the spinal cord in the white matter?

• Sensory receptors

• Relay neurones

• Motor neurones

• Myelin-coated axons