CH6.1 Overview of the NS QUIZ

What is the main function of the nervous system?

• To produce hormones

• To send and receive electrical impulses throughout the body

• To transport oxygen in the blood

• To produce energy for cells

The two major divisions of the nervous system are the:

• Central and Somatic Nervous Systems

• Peripheral and Autonomic Nervous Systems

• Central and Peripheral Nervous Systems

• Sensory and Motor Nervous Systems

What structures make up the central nervous system (CNS)?

• Brain and spinal cord

• Nerves and spinal cord

• Sensory receptors and nerves

• Heart and lungs

The peripheral nervous system (PNS) consists of:

• The brain and spinal cord

• Spinal nerves, cranial nerves, and sensory receptors

• The cerebrum and cerebellum

• The autonomic nervous system only

What type of nerves carry sensory information from the body to the CNS?

• Efferent nerves

• Afferent nerves

• Motor neurons

• Interneurons

The autonomic nervous system controls:

• Skeletal muscle movements

• Involuntary body functions

• Voluntary reflexes

• Memory and emotions

Which subdivision of the nervous system is responsible for voluntary movement?

• Autonomic Nervous System

• Sympathetic Nervous System

• Parasympathetic Nervous System

• Somatic Nervous System

Which type of neuroglial cells provide insulation to neurons in the CNS?

• Schwann cells

• Astrocytes

• Oligodendrocytes

• Microglia

The fatty insulation surrounding some axons, which speeds up nerve impulse transmission, is called:

• Synapse

• Myelin sheath

• Neurotransmitter

• Reflex arc

Which of the following correctly matches the function of interneurons?

• Transmit impulses from sensory receptors to the CNS

• Form connections between afferent and efferent neurons

• Carry impulses from the CNS to muscles and glands

• Protect neurons by absorbing bacteria and dead cells