Nervous System Quiz

What does the sensory (afferent) division of the nervous system do?

• Carries signals from the central nervous system to muscles

• Carries signals from nerve endings to the central nervous system

• Controls voluntary muscle movements

• Regulates the body's internal environment

What are the two main components of the central nervous system?

• Brain and spinal cord

• Heart and lungs

• Sensory and motor neurons

• Sympathetic and parasympathetic divisions

What type of neurons are responsible for sending impulses that make you withdraw your hand from a hot object?

• Sensory (afferent) neurons

• Interneurons

• Efferent (motor) neurons

• Myelinated neurons

Where does the action potential occur in myelinated neurons?

• Throughout the entire length of the neuron

• Only at the neuron's dendrites

• At gaps in the myelin

• At the axon terminals

Which division of the autonomic nervous system is responsible for increasing heart rate?

• Sympathetic Division

• Parasympathetic Division

• Central Division

• Peripheral Division

Which region of the spinal cord innervates the chest, head, neck, shoulders, arms, hands, and diaphragm?

• Thoracic

• Lumbar

• Cervical

• Sacral

What part of the brain is comprised of the midbrain, pons, and medulla oblongata?

• Cerebrum

• Cerebellum

• Brainstem

• Diencephalon

Damage to which part of the brain is most likely to affect reasoning and social behavior?

• Occipital lobe

• Frontal lobe

• Temporal lobe

• Parietal lobe

Which statement about the medulla oblongata is true?

• It is primarily responsible for memory formation

• It controls the autonomic nervous system

• It aids in the regulation of breathing

• It is involved in processing visual information

Which part of the brain controls the autonomic nervous system?

• Cerebellum

• Hypothalamus

• Thalamus

• Medulla oblongata