NSG5003 Week 9 Study Guide Test Bank.

NSG5003 Week 9 Study Guide Test Bank.

Chapter 15: Structure and Function of the Neurologic System

MULTIPLE CHOICE

• Which pathway carries sensory information toward the central nervous system (CNS)?
• Ascending c. Somatic
• Descending d. Efferent

• Which type of axon transmits a nerve impulse at the highest rate?
• Large nonmyelinated c. Small nonmyelinated
• Large myelinated d. Small myelinated

• Which nerves are capable of regeneration?
• Nerves within the brain and spinal cord
• Peripheral nerves that are cut or severed
• Myelinated nerves in the peripheral nervous system
• Unmyelinated nerves of the peripheral nervous system

4. The neurotransmitter, norepinephrine, is secreted in the:

• Somatic nervous system c. Sympathetic postganglion
• Parasympathetic preganglion d. Parasympathetic postganglion

5. Both oligodendroglia and Schwann cells share the ability to:

• Form a myelin sheath c. Transport nutrients
• Remove cellular debris d. Line the ventricles

• During a synapse, what change occurs after the neurotransmitter binds to the receptor?
• The permeability of the presynaptic neuron changes; consequently, its membrane

potential is changed as well.

• The permeability of the postsynaptic neuron changes; consequently, its membrane

potential is changed as well.

• The postsynaptic cell prevents any change in permeability and destroys the action

potential.

• The presynaptic cell synthesizes and secretes additional neurotransmitters.

• What name is given to a large network of neurons within the brainstem that is essential for

maintaining wakefulness?

• Midbrain c. Medulla oblongata
• Reticular activating system d. Pons

• Thought and goal-oriented behaviors are functions of which area of the brain?
• Cerebellum c. Prefrontal lobe
• Limbic system d. Occipital lobe

9. The region responsible for the motor aspects of speech is located in the:

• Wernicke area in the temporal lobe c. Wronka area in the parietal lobe
• Broca area in the frontal lobe d. Barlow area in the occipital lobe
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• Parkinson and Huntington diseases are associated with defects in which area of the brain?
• Thalamus c. Cerebellum
• Medulla oblongata d. Basal ganglia

• Maintenance of a constant internal environment and the implementation of behavioral patterns

are main functions of which area of the brain?

• Thalamus c. Subthalamus
• Epithalamus d. Hypothalamus

• The ability of the eyes to track moving objects through a visual field is primarily a function of

which colliculi?

• Inferior c. Mid
• Superior d. Posterior

• What parts of the brain mediate the expression of affect, both emotional and behavioral states?
• Hypothalamus and subthalamus c. Limbic system and prefrontal cortex
• Parietal and frontal lobes d. Basal ganglia and medulla oblongata

• Reflex activities concerned with heart rate, blood pressure, respirations, sneezing, swallowing,

and coughing are controlled by which area of the brain?

• Pons c. Cerebellum
• Midbrain d. Medulla oblongata

• From which part of the midbrain do cranial nerves V to VIII emerge?
• Midbrain c. Medulla oblongata
• Pons d. Lateral colliculi

• From which part of the midbrain do cranial nerves IX to XII emerge?
• Midbrain c. Medulla oblongata
• Pons d. Lateral colliculi

• Which area of the brain assumes the responsibility for conscious and unconscious muscle

synergy and for maintaining balance and posture?

• Cerebrum c. Diencephalon
• Cerebellum d. Brainstem

• Which statement is true regarding upper motor neurons?
• Upper motor neurons directly influence muscles.
• They modify spinal reflex arcs.
• Upper motor neurons are located in the gray matter of the spinal cord.
• They extend their dendritic processes out of the CNS.

• The membrane that separates the brain’s cerebellum from its cerebrum is the:
• Tentorium cerebelli c. Arachnoid membrane
• Falx cerebri d. Falx cerebelli

20. The function of arachnoid villi is to:

• Produce cerebrospinal fluid
• Provide nutrients to the choroid plexuses
• Transmit impulses within the meninges
• Absorb cerebrospinal fluid into the cerebral venous sinuses

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