IB SEHS A.1.1 Starter

What does CNS stand for?

• Central Nerve System

• Central Nervous System

• Complete Nervous System

• Coordinated Nerve System

The PNS consists of:

• Only the brain

• Only the spinal cord

• All nerves outside the CNS

• The brain and spinal cord

Which part of the nervous system acts like a "central computer"?

• Spinal cord

• Brain

• Nerves

• Muscles

What is the main function of the spinal cord?

• To think and make decisions

• To store memories

• To carry information between the brain and body

• To control emotions

Sensory function involves:

• Moving muscles

• Making decisions

• Detecting stimuli

• Storing information

Another word for sensory nerves is:

• Efferent nerves

• Afferent nerves

• Motor nerves

• Brain nerves

Motor nerves are also called:

• Afferent nerves

• Sensory nerves

• Efferent nerves

• Brain nerves

Which nervous system controls voluntary muscle movements?

• Autonomic nervous system

• Sympathetic nervous system

• Parasympathetic nervous system

• Somatic nervous system

The autonomic nervous system controls:

• Voluntary movements like walking

• Involuntary functions like heart rate

• Only conscious thoughts

• Only muscle movements

What does "fight-or-flight" describe?

• Parasympathetic response

• Sympathetic response

• Somatic response

• Sensory response