Quiz on the Nervous System

What are the two systems that control all body activities in man?

• Digestive and respiratory systems

• Muscular and skeletal systems

• Circulatory and lymphatic systems

• Nervous and endocrine glands systems

What is the primary function of the nervous system?

• Digestion of food

• Regulation of body temperature

• Control of all functions of human body systems

• Production of hormones

What is homeostasis?

• The balance of internal conditions in the body

• The transmission of nerve impulses

• The growth of nerve cells

• The process of digestion

What is the building unit of the nervous system?

• Neuron

• Dendrite

• Glial cell

• Axon

What is contained within the cytoplasm of a neuron?

• Mitochondria and Golgi bodies

• Red blood cells

• Epithelial cells

• Muscle fibers

What are Nissl granules considered to be?

• Cellular toxins

• Waste products

• Hormones

• Stored food for the cell

What is the function of dendrites?

• Transmit impulses to muscles

• Receive nerve impulses

• Protect the neuron

• Insulate the axon

What is the myelin sheath?

• A type of neuron

• A part of the dendrite

• A type of neurotransmitter

• An insulator surrounding the axon

What are the nodes of Ranvier?

• Connective tissues

• Interruptions in the myelin sheath

• Types of neurons

• Parts of the dendrite

What type of neurons convey impulses from receptors to the central nervous system?

• Sensory neurons

• Motor neurons

• Connector neurons

• Glial cells