The Nervous System

What are 3 sense organs?

• Tongue, Stomach, Heart

• Tongue, Mouth, Ears

• Mouth, Ears, Nose

• Mouth, Nose, Heart

List the pathway of nerve impulses when a stimulus is detected.

• Stimulus, Receptor, Effector, Control Center, Response

• Receptor, Effector, Stimulus, Control Center, Response

• Control Center, Stimulus, Receptor, Effector, Response

• Stimulus, Receptor, Control Center, Effector, Response

What is the purpose of the myelin sheath in neuron cells?

• It creates more space for the axon terminals of the neuron.

• It allows electrical impulses to transmit quickly and efficiently along the nerve cells.

• It allows nerve cells to be longer in length.

• It provides warmth for the cell.

Choose the correct path electrical impulses take in the human nervous system.

• Sand in your eye, Eyeball, Brain, Effector, Rapid Blinking

• Brain, Sand in your eye, Eye, Effector, Rapid Blinking

• Rapid Blinking, Effector, Brain, Eyeball, Sand in your eye

• Sand in your eye, Effector, Brain, Eyeball, Rapid Blinking

What is a neurotransmitter?

• A long, slender projection of a nerve cell that conducts electrical impulses.

• Chemical messenger that carries signals between neurons.

• Projections of a neuron that receive signals from other neurons.

• sleeves of fatty tissue that protect your nerve cells.

The human nervous system is capable of a wide range of functions. What is the basic unit of the nervous system?

• Glial Cells

• Meninges

• Neuron

• Cerebrospinal fluid

The neuron cell is made up of which of the following parts?

• Axon

• Dendrite

• Nucleus

• All of the above

Neurons come in which different type(s)?

• Sensory

• Motor

• Skeletal

• A and B

How do neurons communicate with one another?

• Electrically

• Chemically

• Through weak, radio-wave like impulses

• A and B

What is a common neurotransmitter?

• Acetylcholine

• GABA

• Serotonin

• All of the above