Human Anatomy & Physiology: The Nervous System

What is the primary function of the nervous system?

• Transportation of oxygen

• Regulation of body temperature

• Coordination of body activities

• Digestion of food

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

• Brain

• Heart

• Spinal cord

• Neurons

Which part of the neuron receives signals from other neurons?

• Axon

• Dendrite

• Cell body

• Synapse

The central nervous system consists of:

• Brain and spinal cord

• Peripheral nerves

• Neurons and synapses

• Spinal nerves and ganglia

True or False: Neurons can regenerate and replace themselves if damaged.

Which part of the brain is responsible for basic life functions such as heartbeat and breathing?

• Cerebrum

• Cerebellum

• Medulla oblongata

• Thalamus

What is the largest part of the human brain?

• Cerebrum

• Hypothalamus

• Brainstem

• Thalamus

What is the function of the myelin sheath?

• Enhances nerve impulses

• Protects neurons

• Speeds up the conduction of nerve impulses

• Facilitates neurotransmitter release

Which neurotransmitter is commonly associated with feelings of pleasure and reward?

• Serotonin

• Dopamine

• Acetylcholine

• GABA

What is the term for the gap between two neurons where chemical transmission occurs?

• Synapse

• Axon

• Dendrite

• Myelin sheath