Chapter 19: Introduction to Nerves and the Nervous System

A nurse is preparing to assess a patient's cerebellar function. Which of the following would the nurse expect to test? a) Mental status b) Sensation c) Remote memory d) Balance

Balance

Which of the following would a nurse identify as a component of the hindbrain? a) Thalamus b) Brain stem c) Cerebrum d) Limbic system

Brain stem

A patient exhibiting an uncoordinated gait has presented at the clinic. The nurse knows that what brain structure has the function of balance and coordination? a) Midbrain b) Cerebellum c) Medulla d) Pons

Cerebellum

After teaching a group of students about the functions of the nervous system, the instructor determines that the teaching was effective when the students identify which of the following as a function? a) Control of body functions b) Prevention of stimulus exposure c) Separation of responses d) Generation of incoming stimuli

Control of body functions

A patient has sustained an injury to the cerebellum. Which area would be the primary area for assessment? a) Vital signs b) Neurologic system c) Cardiac function d) Coordination

Coordination

Which of the following would a nurse identify as being responsible for bringing information into the neuron from other neurons? a) Axon b) Soma c) Dendrite d) Ganglia

Dendrite

Dendrites route information away from the nerve cell while axons bring information to the nerve. a) False b) True

False

Which of the following would be identified as the basic unit of the nervous system? a) Neurotransmitter b) Neuron c) Soma d) Synapse

Neuron

After teaching a group of students about the functions of the nervous system, the instructor determines that the students need additional teaching when they identify which of the following as a function? a) Integration of responses b) Analysis of incoming stimuli c) Control of body functions d) Prevention of stimulus exposure

Prevention of stimulus exposure

Characteristics that allow neurons to communicate with other body cells include: a) Relaying motor impulses from the cortex to the thalamus. b) Stimulation of "association areas" to analyze information received. c) The ability to regulate body temperature. d) The ability to be stimulated and to convey electrical impulses.

The ability to be stimulated and to convey electrical impulses.

Which of the following substances is required for brain cell metabolism? a) Glucose b) Bile c) Serotonin d) Oxytocin

glucose

After teaching a group of students about the blood-brain barrier, the instructor determines that the teaching was successful when the group states which of the following? a) A transport system for blood delivery to the brain b) A mechanism to protect the brain from toxins c) The control center for vital functions d) A boundary that serves little function

A mechanism to protect the brain from toxins

What part of the brain controls and coordinates muscle movement? a) Cerebrum b) Brain stem c) Cerebellum d) Midbrain

Cerebellum

A 10-year-old child has been playing soccer and sustains a closed head injury in a collision with another player. The parent states that the child was unconscious for 5 minutes. Upon admission to the emergency department, the child has difficulty breathing. What area of the brain will have developed cerebral edema? a) Thalamus b) Pituitary c) Medulla oblongata d) Cerebellum

Medulla oblongata

Which of the following occurs when the cell is at rest? a) Stimulus of sufficient strength is generated b) Cell depolarizes c) Sodium ions rush into the cell d) Membrane is permeable to potassium ions

Membrane is permeable to potassium ions

GABA plays an important role in preventing overexcitability. a) False b) True

True

Which of the following would be associated with the hindbrain? Select all that apply. a) Speech area b) Cranial nerves c) Spinal nerve roots d) Motor neurons e) Chemoreceptor trigger zone

• Cranial nerves • Chemoreceptor trigger zone

Which of the following is an important function of serotonin? a) Promotion of motivation b) Coordination of impulses c) Prevention of over-excitability d) Prevents depression

Prevents depression

The nursing instructor is talking with their clinical group about the central nervous system. What should the instructor tell the students about the function of the spinal cord? a) Supports the skeletal system b) Serves as a conduit for impulses to and from the brain c) Extends through the whole vertebral column d) Provides centers for planned action

Serves as a conduit for impulses to and from the brain

Which of the following would be identified as the junction between a nerve and effector? a) Neuron b) Soma c) Synapse d) Neurotransmitter

Synapse

When levels of serotonin are high in the RAS, the system shuts off and what occurs? a) Sleep b) Pain c) Arousal d) Memory loss

sleep