1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.

True / False

• Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.
• True
• False

ANSWER: False

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• Neurons receive information and transmit it to other cells.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• An afferent axon brings information into a structure.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• An efferent axon carries information away from a structure.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• The greater the surface area of a dendrite, the more information it can receive from other neurons.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• Neurons are distinguished from other cells by their shape.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• Glial cells serve many functions.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• Glial cells transmit information across long distances.
• True
• False

ANSWER: False

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute

the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• Schwann cells build the myelin sheaths in the periphery of the body.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: Neurons and Glia

LEARNING OBJECTIVES: KALA.BIOP.16.01.01 - Describe neurons and glia, the cells that constitute the nervous system.

TOPICS: 1.1 The Cells of the Nervous System

• The blood-brain barrier is made up of closely packed glial cells.
• True
• False

ANSWER: False

DIFFICULTY: Bloom’s: Understand

REFERENCES: The Blood-Brain Barrier

LEARNING OBJECTIVES: KALA.BIOP.16.01.02 - Summarize how the blood–brain barrier relates to protection and nutrition of neurons.

TOPICS: 1.1 The Cells of the Nervous System

• The difference in voltage in a resting neuron is called the resting potential.
• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Understand

REFERENCES: The Resting Potential of the Neuron

LEARNING OBJECTIVES: KALA.BIOP.16.01.03 - Explain how the sodium–potassium pump and the properties of the membrane lead to the resting potential of a neuron.

TOPICS: 1.2 The Nerve Impulse

• Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the

neuron.

• True
• False

ANSWER: True

DIFFICULTY: Bloom’s: Analyze

REFERENCES: The Resting Potential of the Neuron

LEARNING OBJECTIVES: KALA.BIOP.16.01.03 - Explain how the sodium–potassium pump and the properties of the membrane lead to the resting potential of a neuron.