Practice Quiz: Introduction to the Nervous System

What characteristic of the nervous system enables it to transmit impulses?

• Flexibility

• Conductivity

• Elasticity

• Rigidity

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

• Sensory receptor

• Conductor

• Effector

• Digestive enzyme

Which of the following can be an effector in the nervous system?

• Bone

• Muscle

• Skin

• Hair

What is the main purpose of the nervous system's coordination of body systems?

• To increase body temperature

• To maintain homeostasis

• To decrease blood pressure

• To enhance digestion

Tags

NGSS.HS-LS1-3

Which part of the nervous system is responsible for detecting changes in the environment?

• Conductors

• Effectors

• Sensory receptors

• Interneurons

How many pairs of spinal nerves are in the Peripheral Nervous System?

• 29 pairs

• 30 pairs

• 31 pairs

• 32 pairs

Which division of the nervous system is associated with voluntary movements?

• Autonomic

• Somatic

• Sympathetic

• Parasympathetic

What are nerves composed of?

• Bundles of axons

• Bundles of dendrites

• Bundles of nuclei

• Bundles of neuroglia

What are Schwann cells responsible for in the peripheral nervous system?

• Surrounding large axons of peripheral neurons

• Producing neurotransmitters

• Forming synapses

• Generating action potentials

What is the primary component of the layers of a Schwann cell?

• Protein

• Myelin

• Carbohydrates

• Nucleic acids