Unit 11 HBS part 2 QUIZ Review

The two major parts of the nervous system are the

• brain and spinal cord

• central and somatic nervous systems

• sympathetic and parasympathetic systems.

• peripheral and central nervous systems

The speed of neural conduction between neurons will result in difficulties in speaking, vision, and balance if the ________________ insulating the axons is damaged or removed.

• Axon

• Myelin Sheath

• Nucleus

• Brain

Dr. Vazquez is examining a cell from the nervous system of an animal. He notices that at one end of the cell body is a long, fibrous strand of tissue. He immediately recognizes this as an axon that is responsible for

• carrying signals away from the cell body

• receiving signals from other cells and carrying them toward the cell body.

• determining the speed at which an action potential will travel

• determining whether the cell inhibits or excites neighboring neurons

Dopamine and Serotonin are examples of _______________

• Axon

• Neurotransmitters

• Somatic Nerves

• Autonomic Nerves

Neurotransmitters are ______________ that travel across the ______________ to another cell.

• electrical signals; receptors

• electrical signals; synapse

• chemicals; receptors

• chemicals; synapse

What is number 3 pointing at on the neuron?

• Dendrite

• Axon

• Myelin Sheath

• Soma

What part of the neuron is number 4 pointing at?

• Dendrite

• Axon Terminal

• Axon

• Myelin Sheath

Which part of the Neuron is number 1 pointing at?

• Dendrite

• Cell body

• Axon

• Nucleus

Which body system coordinates all of the systems by controlling every activity that takes place?

• The Nervous System

• The Digestive System

• The Endocrine System

• The Circulatory System

• The Immune System

a signal molecule that transmits nerve impulses across synapses

• neuron
• neurotransmitter
• nerve
• action potential