Chapter 7 AP

Multiple Choice

Why is the nervous system important for the human body?

• It helps in digestion only

• It controls and coordinates body activities

• It produces hormones only

• It helps in blood circulation only

Open Ended

Explain how the nervous system functions as a feedback loop, referencing the roles of sensory input, integration, and motor output.

Multiple Choice

Which of the following correctly describes the sequence of the nervous system's functions as shown in the diagram?

• Sensory input → Integration → Motor output

• Motor output → Sensory input → Integration

• Integration → Sensory input → Motor output

• Motor output → Integration → Sensory input

Multiple Select

Which of the following are included in the structural classification of the nervous system?

• Central nervous system

• Peripheral nervous system

• Sensory (afferent) division

• Motor (efferent) division

Multiple Select

Which of the following are functions of the central nervous system (CNS)?

• Integration and command center

• Interprets incoming sensory information

• Issues outgoing instructions

• Carries impulses to and from the spinal cord

Open Ended

Describe the main function of the peripheral nervous system (PNS) and how it interacts with the central nervous system.

Multiple Choice

Which division of the nervous system carries information to the central nervous system?

• Sensory (afferent) division

• Motor (efferent) division

• Somatic nervous system

• Autonomic nervous system

Open Ended

Compare the roles of the somatic and autonomic nervous systems in controlling muscle activity.

Fill in the Blank

Nervous tissue is composed of two types of cells: neurons and supporting cells collectively called ___.

Multiple Select

Which of the following are general functions of neuroglia in the central nervous system?

• Support neurons

• Insulate neurons

• Protect neurons

• Transmit nerve impulses

Open Ended

What are two principal cell types found in nervous tissue, and how do they differ in function?

Multiple Choice

Which of the following is NOT a function of astrocytes?

• Brace and anchor neurons to blood capillaries

• Transmit nerve impulses

• Protect neurons from harmful substances in blood

• Control the chemical environment of the brain

Multiple Select

Which of the following are functions of astrocytes?

• Support neurons

• Regulate the environment around neurons

• Produce myelin sheaths

• Connect neurons to blood supply

Multiple Choice

Which type of neuroglia is the most abundant and versatile in the nervous tissue?

• Astrocytes

• Microglial cells

• Ependymal cells

• Oligodendrocytes

Multiple Choice

What is the primary function of microglial cells in the central nervous system?

• They produce myelin sheaths

• They act as phagocytes to defend CNS cells

• They line fluid-filled cavities

• They support blood vessels

Open Ended

Explain how ependymal cells contribute to the function of the central nervous system.

Fill in the Blank

CNS glial cells called ___ produce myelin sheaths.

Multiple Choice

Which type of neuroglial cell forms myelin sheaths around nerve fibers in the central nervous system (CNS)?

• Oligodendrocytes

• Schwann cells

• Satellite cells

• Astrocytes

Open Ended

Compare the roles of Schwann cells and satellite cells in the peripheral nervous system (PNS).

Multiple Choice

Which of the following statements about neurons is correct?

• Neurons are specialized to transmit nerve impulses.

• Neurons form myelin sheaths around nerve fibers.

• Neurons cushion and protect other neurons.

• Neurons are only found in the CNS.

Open Ended

Describe the function of neurofibrils in the neuron cell body.

Fill in the Blank

The cell body of a neuron contains the nucleus and large ___.

Multiple Choice

Which structure is responsible for forming the myelin sheath on the axon of a typical motor neuron in the peripheral nervous system?

• Schwann cell

• Oligodendrocyte

• Satellite cell

• Astrocyte

Open Ended

Reflecting on today's lesson about the nervous system, what is one way you think understanding its functions could help you in everyday life?

Multiple Choice

Which of the following is NOT a primary function of the nervous system?

• Sensory input

• Integration

• Motor output

• Digestion