Grade 12 Nervous System Quiz

What is the central nervous system?

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• The division of the peripheral nervous system (PNS) that controls the body's skeletal muscles.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What is the peripheral nervous system (PNS)?

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• The division of the peripheral nervous system (PNS) that controls the body's skeletal muscles.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What is the somatic nervous system?

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• The division of the peripheral nervous system (PNS) that controls the body's skeletal muscles.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What are neurotransmitters?

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• The division of the peripheral nervous system (PNS) that controls the body's skeletal muscles.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What is the distinction between sensation and perception?

• Sensation is data, Perception is interpreting that data.

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

How many senses do humans have?

• 5

• 9

• 10

• 12

What is vision?

• The ability to see.

• The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What is a physical stimulus?

• The ability to see.

• The matter or energy that contacts our sense organs.

• Chemical messengers in the nervous system.

• The brain and spinal cord.

What is an afferent pathway?

• The ability to see.

• The matter or energy that contacts our sense organs.

• Sensory pathway that relays information to the central nervous system.

• The brain and spinal cord.

What are the skin senses?

• The ability to see.

• The matter or energy that contacts our sense organs.

• Sensory pathway that relays information to the central nervous system.

• Touch, cold and warm, and pain.