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NUR 221 Unit 3 Test Questions with
Complete Solutions
The nervous system coordinates and controls all of the body's functions and plays a central role
in maintaining __________. ✔✔homeostasis
The peripheral nervous system is composed of the brain and spinal cord.
True
False ✔✔false
One type of neuron is the _____, which carries nervous impulses between neurons.
sensory neuron
neuroma
motor neuron
interneuron ✔✔interneuron
One type of neuron is the _____, which detects environmental stimuli and transmits messages to the brain or spinal cord.
interneuron
motor neuron
sensory neuron
neuroma ✔✔sensory neuron
The somatic nervous system includes 12 pairs of cranial nerves and 24 pairs of spinal nerves.
True
False ✔✔false
The basic unit of the nervous system is the __________, or nerve cell. ✔✔neuron
Axons of many neurons are insulated by a lipoprotein covering called __________. ✔✔myelin
Falls are the leading cause of traumatic brain injury.
True
False ✔✔true
One type of neuron is the _____, which conveys messages from the CNS to muscles.
neuroma
Severe traumatic brain injury occurs in two forms: closed injuries and open injuries.
True
False ✔✔true
The _____ lobe controls voluntary muscle actions and the muscles of speech.
parietal
frontal
occipital
temporal ✔✔frontal
The _____ lobes are responsible for the senses and the ability to understand spoken language.
parietal
temporal
frontal
occipital ✔✔temporal
Because a stroke is a vascular disease, stroke and heart disease share many risk factors.
True
False ✔✔true
The inner part of the cerebrum contains basal __________ that control muscle coordination and
steady movement. ✔✔ganglia
The __________ nervous system is divided into the somatic system and autonomic system.
✔✔peripheral
Medications to counteract blood-thinning medications may be given for hemorrhagic stroke patients.
True
False ✔✔true
The _____ lobes interpret the meaning of incoming sensory signals that arrives from the opposite side of the body.
frontal
parietal
temporal
False ✔✔true
An __________ is a diagnostic tool that records the brain's electrical activity.
✔✔electroencephalography
The __________ Coma Scale measures mental function, sensory responsiveness, and motor
ability. ✔✔Glasgow
Bacterial meningitis occurs more commonly than viral meningitis.
True
False ✔✔false
_____ pairs of spinal nerves originate in the spinal cord, carrying bundles of sensory and motor neurons throughout the body.
Thirty-one
Twelve
Twenty-four
Seventeen ✔✔thirty-one
Which of the following is NOT one of the three subdivisions of the autonomic nervous system?
parasympathetic
enteric
sympathetic
paraenteric ✔✔paraenteric
Animal and human vaccinations has made rabies rare in the United States.
True
False ✔✔true
__________ is a central nervous system disorder characterized by abnormal electrical activity in
the brain. ✔✔epilepsy
A transient __________ attack is known as a "mini-stroke." ✔✔ischemic
Shingles can be prevented in children with the chickenpox vaccine.
True
Trigeminal neuralgia is also called __________ douloureux. ✔✔tic
__________ is an acute inflammation of the first two meninges that cover the brain and spinal
cord. ✔✔meningitis
One of the risk factors for botulism includes eating honey.
True
False ✔✔true
_____ may be focal, affecting one part of the brain, or generalized, affecting many areas of the brain.
Epilepsy
Alzheimer's
Huntington's disease
Parkinson's ✔✔epilepsy
Which of the following is NOT used to diagnose epilepsy?
TIA
EEG
CT
MRI ✔✔TIA
The botulism bacteria thrive in anaerobic conditions.
True
False ✔✔true
__________ is an inflammation of the brain, most often caused by a viral infection.
✔✔encephalitis
__________, known simply as polio, is a crippling, potentially fatal viral infection.
✔✔poliomyelitis
The signs and symptoms of Alzheimer's disease often begin with memory loss and confusion.
True
False ✔✔true
__________ is an acute painful inflammation of sensory neurons caused by reactivation of the
latent chickenpox virus. ✔✔shingles
__________ is a condition of acute muscle rigidity caused by a bacterial nerve toxin. ✔✔tetanus
Medical treatment for multiple sclerosis includes antispasmodics to control muscle spasms.
True
False ✔✔true
Trigeminal neuralgia is severe chronic pain resulting from dysfunction of the _____ cranial nerve.
fourth
sixth
third
fifth ✔✔fifth
The cause of trigeminal neuralgia remains unknown, although it may be related to _____ of trigeminal neurons.
inflammation
infection
hemorrhage
demyelination ✔✔demyelination
Death from pulmonary failure or lung infections occurs 3 to 5 years after the onset of ALS symptoms.
True
False ✔✔true
__________ disease is the most common form of dementia. ✔✔Alzheimer's
The brains of Alzheimer disease patients have dense knots of protein deposits called
__________. ✔✔plaques
The signs and symptoms of ALS often begin with noticeable shaking in the hands and rigid, masklike facial muscles.
True
False ✔✔false
__________ chorea is a progressive degenerative disease of the brain that affects motor and
cognitive function. ✔✔huntington's
In spina bifida the meninges fails to fuse correctly.
True
False ✔✔false
One of the signs of _____ in infants includes bulging fontanels, irritability, and poor reflexes.
trigeminal neuralgia
meningitis
epilepsy
encephalitis ✔✔meningitis
In bacterial meningitis, the cerebrospinal fluid has _____.
low glucose and elevated leukocytes and protein
low glucose and leukocytes and elevated protein
elevated glucose and low leukocytes and protein
elevated glucose and leukocytes and low protein ✔✔low glucose and elevated leukocytes and
protein
About 70% to 90% of children with spina bifida also have hydrocephalus.
True
False ✔✔true
__________ is a condition of the buildup of CSF around the brain. ✔✔hydrocephalus
As a child born with cerebral palsy gets older, the disorder continues to progress with increasing muscle rigidity.
True
False ✔✔false
While most brain tumors are benign, both benign and malignant tumors are serious because they can impair vitally important areas.
True
False ✔✔true
peripheral
central ✔✔central
The signs and symptoms of rabies occur _____.
late in the course of the disease, usually only days before death
only when the infection progresses to the autonomic nervous system
within a week after infection with the disease
early in the course of the disease, usually only hours after infection ✔✔late in the course of the
disease, usually only days before death
The tetanus toxin binds to _____, stimulates them, and causes muscles to be continually stimulated to contract.
neuromas
sensory neurons
interneurons
motor neurons ✔✔motor neurons
The signs and symptoms of _____ in infants usually begins with constipation.
shingles
tetanus
Reye syndrome
botulism ✔✔botulism
If a person is unimmunized against tetanus, _____ injections are necessary to neutralize the toxin.
diuretic
antibiotic
immunoglobulin
neuroleptic ✔✔immunoglobulin
Of the three forms of botulism, _____ is the most common.
infant
infectious
wound
foodborne ✔✔infant
