Structures
Which part of the nerve cell is specially constructed to transmit a message from one cell to another nerve cell?
axon
Trey has symptoms of severe headache, nausea, and vomiting. At the doctor’s office, Trey had a lumbar puncture. His doctor is concerned Trey may have which disorder?
meningitis
A nerve cell is known as a/an:
neuron
Impulses travel from one neuron to another by way of the:
synapse
A patient is seen in an urgent care office for an insect bite he suffered one week ago. The patient is experiencing a headache and stiff neck. The doctor immediately sent him for laboratory testing. Which disorder is the doctor concerned about?
West Nile Virus
A patient sustains a fall while getting out of the shower. Tests reveal damage to the inner most meningeal layer. What structure was damaged?
pia mater
Joe experienced hallucinations, seizures, and temporary loss of consciousness. An EEG test showed uncontrolled electrical activity of neurons in Joe's brain. Which disorder was Joe most likely diagnosed with?
epilepsy
Which lobe of the brain coordinates voluntary muscle movement?
frontal
The part of the brain located below the cerebrum is the:
cerebellum
A diver sustained a spinal cord injury just below the tenth thoracic vertebra and is now unable to use his legs. This condition is known as:
paraplegia
Impulses enter the neuron by way of the:
dendrite
Melissa fell off a horse and was paralyzed as a result of significant injury to her spinal cord. Which component of Melissa's nervous system is damaged?
central
Planning, recalling information, and decision-making are all functions of the:
cerebrum
A 35-year-old female patient sees her doctor with complaints of weakness in the extremities, double vision, and difficulty speaking. She states that some days the symptoms are worse than others. Which disorder may the doctor suspect?
multiple sclerosis
Michael got into a fight with Andre over his girlfriend. Michael’s heart rate increased, his palms got sweaty, and he felt a surge of energy. What part of the nervous system was responsible for these changes?
sympathetic
Jamie experienced tachycardia and dry mouth while getting off a fast roller-coaster ride. Which nervous system structures were most likely activated?
autonomic nervous system
Mr. Smith is 78-years-old and has begun having tremors and gait shuffling. His family is worried that he may be developing:
Parkinson's disease
The brain and the spinal cord are part of the:
central nervous system
Dr. Brown is checking Ashley’s patellar tendon reflex. What part of the nervous system is Dr. Brown assessing?
spinal nerves
Anna is recovering from a fight with Arianne. Anna’s breathing is slowing down, her pulse is slowing, and she is fatigued. What part of the nervous system is responsible for these changes?
parasympathetic
Which neurons carry messages from the brain and spinal cord to muscles and glands?
motor neurons
Maria is a 25-year-old female and is experiencing numbness and weakness in her legs. She also feels tingling in her hands. She is always extremely tired and often feels dizzy. The doctor is certain that she has a chronic inflammatory disease of the central nervous system. What is her probable diagnosis?
multiple sclerosis
Melissa sustained an injury while riding her horse. She experienced tingling and burning sensations on her lower extremities. What part of her nervous system was damaged?
peripheral
In a nerve impulse, messages travel from one neuron to another by way of which sequence?
axon → synapse → dendrite
Kaleb was involved in an ATV accident and sustained a severe injury to the brain and spinal cord. The medical staff at the trauma center understands this injury may cause which substance to leak into surrounding tissues?
cerebrospinal fluid